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 for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.74PAE
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Transcribed Image Text: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.
Olt'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.
AG° 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.
OReactions 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.
Endothermic processes with negative entropy change are always spontaneous.
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.
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