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Explain why each of the following statements is incorrect. a. Entropy increases in all spontaneous reactions. Olt's not the entropy of system, but the entropy of universe, that increases in all spontaneous reactions. Olt's incorrect because entropy decreases in all spontaneous reactions. OIt's not the entropy of system, but the entropy of surroundings, that increases in all spontaneous reactions. b. Reactions with a negative free energy change (A,G < 0) are product-favored and occur with rapid transformation of reactants to products. O4,G° tells only about equilibrium state, not about the rate it establishes. Off A,G° is rather close to zero (but still negative), the transformation won't be rapid. Reactions with a negative free energy change are reactant-favored. c. All spontaneous processes are exothermic. Endothermic processes with negative entropy change can also be spontaneous. All spontaneous processes are endothermic. Endothermic processes with positive entropy change can also be spontaneous. d. Endothermic processes are never spontaneous. O Endothermic processes with positive entropy change are never spontaneous. OEndothermic processes with negative entropy change are always spontaneous. O Endothermic processes with positive entropy change can be spontaneous at high temperatures. O Endothermic processes with negative entropy change can be spontaneous at high temperatures.

Explain why each of the following statements is incorrect. a. Entropy increases in all spontaneous reactions. Olt's not the entropy of system, but the entropy of universe, that increases in all spontaneous reactions. Olt's incorrect because entropy decreases in all spontaneous reactions. OIt's not the entropy of system, but the entropy of surroundings, that increases in all spontaneous reactions. b. Reactions with a negative free energy change (A,G < 0) are product-favored and occur with rapid transformation of reactants to products. O4,G° tells only about equilibrium state, not about the rate it establishes. Off A,G° is rather close to zero (but still negative), the transformation won't be rapid. Reactions with a negative free energy change are reactant-favored. c. All spontaneous processes are exothermic. Endothermic processes with negative entropy change can also be spontaneous. All spontaneous processes are endothermic. Endothermic processes with positive entropy change can also be spontaneous. d. Endothermic processes are never spontaneous. O Endothermic processes with positive entropy change are never spontaneous. OEndothermic processes with negative entropy change are always spontaneous. O Endothermic processes with positive entropy change can be spontaneous at high temperatures. O Endothermic processes with negative entropy change can be spontaneous at high temperatures.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Explain why each of the following statements is incorrect.** a. Entropy increases in all spontaneous reactions. - ○ It’s not the entropy of the system, but the entropy of the universe, that increases in all spontaneous reactions. - ○ It’s incorrect because entropy decreases in all spontaneous reactions. - ○ It’s not the entropy of the system, but the entropy of surroundings, that increases in all spontaneous reactions. b. Reactions with a negative free energy change (ΔrG° < 0) are product-favored and occur with rapid transformation of reactants to products. - ○ ΔrG° tells only about equilibrium state, not about the rate it establishes. - ○ If ΔrG° is rather close to zero (but still negative), the transformation won’t be rapid. - ○ Reactions with a negative free energy change are reactant-favored. c. All spontaneous processes are exothermic. - ○ Endothermic processes with negative entropy change can also be spontaneous. - ○ All spontaneous processes are endothermic. - ○ Endothermic processes with positive entropy change can also be spontaneous. d. Endothermic processes are never spontaneous. - ○ Endothermic processes with positive entropy change are never spontaneous. - ○ Endothermic processes with negative entropy change are always spontaneous. - ○ Endothermic processes with positive entropy change can be spontaneous at high temperatures. - ○ Endothermic processes with negative entropy change can be spontaneous at high temperatures.
Transcribed Image Text:**Explain why each of the following statements is incorrect.** a. Entropy increases in all spontaneous reactions. - ○ It’s not the entropy of the system, but the entropy of the universe, that increases in all spontaneous reactions. - ○ It’s incorrect because entropy decreases in all spontaneous reactions. - ○ It’s not the entropy of the system, but the entropy of surroundings, that increases in all spontaneous reactions. b. Reactions with a negative free energy change (ΔrG° < 0) are product-favored and occur with rapid transformation of reactants to products. - ○ ΔrG° tells only about equilibrium state, not about the rate it establishes. - ○ If ΔrG° is rather close to zero (but still negative), the transformation won’t be rapid. - ○ Reactions with a negative free energy change are reactant-favored. c. All spontaneous processes are exothermic. - ○ Endothermic processes with negative entropy change can also be spontaneous. - ○ All spontaneous processes are endothermic. - ○ Endothermic processes with positive entropy change can also be spontaneous. d. Endothermic processes are never spontaneous. - ○ Endothermic processes with positive entropy change are never spontaneous. - ○ Endothermic processes with negative entropy change are always spontaneous. - ○ Endothermic processes with positive entropy change can be spontaneous at high temperatures. - ○ Endothermic processes with negative entropy change can be spontaneous at high temperatures.
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