MC	<p>b479_8ef3</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect
MC	<p>514e_5625</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect
MC	<p>dfa4_8bf2</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong> or <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect
MC	<p>b479_b9b6</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_e7c9</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>dfa4_0c55</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect
MC	<p>514e_326f</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect
MC	<p>b479_45b8</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>514e_d7b4</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect
MC	<p>dfa4_0ab6</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect
MC	<p>b479_e24c</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> of the system.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_e3aa</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect
MC	<p>dfa4_39a2</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect
MC	<p>b479_12e0</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect
MC	<p>514e_6bb0</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect
MC	<p>b479_a0c4</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect
MC	<p>b479_7b02</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;"><strong><span style="color: #3b7600;">physical changes</span></strong></span></strong>.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_613f</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>dfa4_8f52</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect
MC	<p>514e_221c</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect
MC	<p>b479_668a</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect
MC	<p>b479_e28f</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_9701</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>514e_ada0</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect
MC	<p>b479_0ddd</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect
MC	<p>dfa4_9de4</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect
MC	<p>514e_de2a</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct
MC	<p>b479_85e2</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect
MC	<p>514e_d54e</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect
MC	<p>dfa4_72cd</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect
MC	<p>b479_8467</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>b479_59c2</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect
MC	<p>514e_1989</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect
MC	<p>b479_3d0f</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect
MC	<p>dfa4_8feb</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect
MC	<p>b479_4229</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;"><strong><span style="color: #3b7600;">physical changes</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_4170</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	Ice melting into water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>514e_687d</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect
MC	<p>514e_931c</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect
MC	<p>b479_e98a</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>514e_2b71</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect
MC	<p>dfa4_82f0</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect
MC	<p>514e_b74a</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect
MC	<p>dfa4_8b56</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct
MC	<p>b479_808e</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>b479_1b87</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>514e_f254</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct
MC	<p>b479_61ad</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct
MC	<p>b479_3ac9</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Correct
MC	<p>dfa4_44fd</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect
MC	<p>514e_ddb0</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect
MC	<p>514e_e233</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Correct
MC	<p>b479_0a13</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>b479_a7de</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_9b84</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>b479_63bd</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_212c</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Correct	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>b479_e9ef</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> of the system.	Correct	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_06ed</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Correct
MC	<p>b479_133f</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>dfa4_6bda</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct
MC	<p>b479_93e8</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>514e_788b</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect
MC	<p>dfa4_029c</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect
MC	<p>b479_716c</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>dfa4_5259</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect
MC	<p>b479_e4a3</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Correct
MC	<p>b479_97bf</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>b479_e11e</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> of the system.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_8d29</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Correct
MC	<p>dfa4_a3d5</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect
MC	<p>dfa4_104f</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect
MC	<p>b479_6eb9</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>514e_c5d2</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong> or <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct	Ice melting into water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect
MC	<p>b479_a0bb</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Correct
MC	<p>dfa4_3177</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct
MC	<p>b479_fe31</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_661b</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> is added.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect
MC	<p>b479_f96e</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>b479_c237</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>b479_5cf5</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Correct
MC	<p>514e_4325</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect
MC	<p>b479_ad5d</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>dfa4_42ba</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect
MC	<p>b479_c6c2</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>b479_1bff</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>514e_168d</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	Ice melting into water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect
MC	<p>514e_1bcc</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct
MC	<p>dfa4_e539</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect
MC	<p>dfa4_8a66</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect
MC	<p>b479_1f67</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Ice melting into water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>b479_b7e7</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Correct
MC	<p>514e_3114</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect
MC	<p>514e_be06</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	Ice melting into water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect
MC	<p>dfa4_2fff</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct
MC	<p>514e_e731</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect
MC	<p>514e_5eb3</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect
MC	<p>b479_f07f</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Correct	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>514e_0afc</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect
MC	<p>b479_26c6</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Correct
MC	<p>b479_7712</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	Ice melting into water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>b479_eab0</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct
MC	<p>dfa4_a11d</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect
MC	<p>dfa4_a29b</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong> or <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct
MC	<p>b479_43c4</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_18b9</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>514e_f060</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect
MC	<p>514e_48bf</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct
MC	<p>b479_ae84</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> is released.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>b479_ceff</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> of the system.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_39cd</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct
MC	<p>dfa4_0ead</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect
MC	<p>514e_d04a</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect
MC	<p>dfa4_d989</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Correct
MC	<p>dfa4_5e4b</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect
MC	<p>b479_2d0b</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_f46e</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> of the system.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect
MC	<p>b479_45d9</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	Ice melting into water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>514e_27fd</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong> or <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect
MC	<p>dfa4_7be4</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect
MC	<p>b479_fda0</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_63b3</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> is released.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>514e_ba34</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect
MC	<p>b479_59b3</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	Ice melting into water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect
MC	<p>514e_0827</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect
MC	<p>b479_4b86</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>b479_8a84</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>b479_c7e9</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve <strong><span style="color: #3b7600;"><strong><span style="color: #3b7600;">physical changes</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>dfa4_ee9c</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect
MC	<p>dfa4_0a69</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect
MC	<p>b479_7126</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong>.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>514e_4bc2</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct
MC	<p>b479_6dd0</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>dfa4_e329</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect
MC	<p>b479_7fc1</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;"><strong><span style="color: #3b7600;">physical changes</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>514e_10e4</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect
MC	<p>b479_6491</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect
MC	<p>b479_e849</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve <strong><span style="color: #3b7600;"><strong><span style="color: #3b7600;">physical changes</span></strong></span></strong>.	Correct
MC	<p>514e_c8f2</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect
MC	<p>b479_6cd5</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Correct	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect
MC	<p>514e_835c</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect
MC	<p>dfa4_5f90</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Correct
MC	<p>b479_83d2</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>514e_b0ed</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct
MC	<p>b479_b38b</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>b479_8cd2</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>dfa4_8b7c</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong> or <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect
MC	<p>514e_1df9</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect
MC	<p>dfa4_9fb4</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct
MC	<p>dfa4_b76b</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect
MC	<p>b479_0507</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> is added.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>b479_302b</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>dfa4_6e9c</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	Ice melting into water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect
MC	<p>b479_7422</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect
MC	<p>b479_4e4d</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> is added.	Correct	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect
MC	<p>b479_ba2f</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> of the system.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>514e_c4c4</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect
MC	<p>b479_f002</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect
MC	<p>dfa4_2b67</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct
MC	<p>b479_2b99</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>b479_9d97</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect
MC	<p>b479_3942</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Correct
MC	<p>514e_759e</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Correct
MC	<p>b479_81d8</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Correct
MC	<p>514e_b8ed</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect
MC	<p>514e_458c</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect
MC	<p>dfa4_97bb</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Correct
MC	<p>b479_bd39</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect
MC	<p>dfa4_c046</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Correct
MC	<p>dfa4_614f</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect
MC	<p>514e_cb2e</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formula of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect
MC	<p>514e_6275</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect
MC	<p>514e_230d</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong> or <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct
MC	<p>b479_1c23</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct
MC	<p>b479_0d1f</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect
MC	<p>dfa4_c16a</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is released.	Incorrect
MC	<p>b479_fb6a</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect
MC	<p>514e_4708</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect
MC	<p>dfa4_7861</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Correct
MC	<p>b479_3665</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>dfa4_2f27</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> into one or more different <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect
MC	<p>b479_842a</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> is added.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect
MC	<p>514e_41b0</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect
MC	<p>b479_f40c</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Correct	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_4f85</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong>.	Correct
MC	<p>dfa4_7a3b</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect
MC	<p>b479_4eca</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;"><strong><span style="color: #b74300;">exothermic</span></strong></span></strong>.	Correct
MC	<p>b479_45a1</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> of the system.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>514e_91f6</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are involved in many important processes in biology.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect
MC	<p>b479_f808</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Salt (NaCl) dissolving in water, breaking the ionic bonds between Na<sup>+</sup> and Cl<sup>&ndash;</sup>, is a physical change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in a decrease in the number of atoms.	Correct	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect
MC	<p>b479_76db</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;"><strong><span style="color: #3b7600;">physical changes</span></strong></span></strong>.	Correct
MC	<p>514e_1a44</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only involve <strong><span style="color: #3b7600;">physical changes</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in living organisms.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product cannot be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect
MC	<p>b479_89c4</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	Sublimation of dry ice into carbon dioxide gas is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always either <strong><span style="color: #b74300;">exothermic</span></strong> or <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect
MC	<p>b479_4bb4</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;"><strong><span style="color: #007a00;">energy</span></strong></span></strong> is added.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical formulas of both the reactant and the product can be the same.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> play a role in many important biological processes.	Incorrect
MC	<p>dfa4_d0b4</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	Sugar (glucose) dissolving in water is a <strong><span style="color: #c80085;">chemical&nbsp;reaction</span>.</strong>	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong> must change.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #076dad;">endothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the number of atoms.	Incorrect
MC	<p>dfa4_b9ec</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to happen, the chemical identity of both reactants and products remains the same.	Incorrect	Reactions that occur in living organisms are<strong> <strong>NOT</strong> </strong><strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in entropy.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;"><strong><span style="color: #a719db;">substances</span></strong></span></strong>.	Correct	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect
MC	<p>dfa4_d037</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> regarding <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always result in an increase in the total <strong><span style="color: #007a00;">energy</span></strong> of the system.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> are always <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur when <strong><span style="color: #007a00;">energy</span></strong> is added.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Correct
MC	<p>514e_418a</p> <p>Which one of the following statements is<strong> <span style="color: #127663;"><strong>TRUE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	The rate of a chemical reaction depends on temperature, pressure, and the presence of catalysts.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur at a specific temperature.	Incorrect	Salt (NaCl) dissolving in water is a chemical reaction since breaking ionic bonds forms new chemicals.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> only occur in the presence of light.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #b74300;">exothermic</span></strong>.	Incorrect
MC	<p>b479_2ac5</p> <p>Which one of the following statements is<strong> <span style="color: #ba372a;"><strong>FALSE</strong></span> </strong> of <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong>?</p>	For <strong><span style="color: #c80085;">chemical&nbsp;reactions</span></strong> to occur, the chemical identity of the <strong><span style="color: #a719db;">substances</span></strong> must change.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve a change in the chemical composition of <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always involve the forming and breaking of chemical bonds	Incorrect	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> cannot be <strong><span style="color: #076dad;"><strong><span style="color: #076dad;">endothermic</span></strong></span></strong>.	Correct	<strong><span style="color: #c80085;">Chemical&nbsp;reactions</span></strong> always transform one or more <strong><span style="color: #a719db;">substances</span></strong> into one or more different <strong><span style="color: #a719db;">substances</span></strong>.	Incorrect