38. Based on the AHand AS values for a given chemical reaction, it is possible to predict whether the reaction is spontaneous or not at various temperatures. Which one of the following statements has the most correct answers? (A) If AH and AS are both positive, the reaction will always be spontaneous (B) If AH and AS are both positive, the reaction will be spontaneous at a high enough temperature (C) If AH is negative and AS is positive, the reaction will always be spontaneous (D) If AH and AS are both negative, the reaction will always be spontaneous (E) Both (B) and (C)
38. Based on the AHand AS values for a given chemical reaction, it is possible to predict whether the reaction is spontaneous or not at various temperatures. Which one of the following statements has the most correct answers? (A) If AH and AS are both positive, the reaction will always be spontaneous (B) If AH and AS are both positive, the reaction will be spontaneous at a high enough temperature (C) If AH is negative and AS is positive, the reaction will always be spontaneous (D) If AH and AS are both negative, the reaction will always be spontaneous (E) Both (B) and (C)
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 10.87PAE: Determine whether each of the following statements is true or false. If false, modify to make the...
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Transcribed Image Text:38. Based on the AHand AS values for a given chemical reaction, it is possible to
predict whether the reaction is spontaneous or not at various temperatures. Which
one of the following statements has the most correct answers?
(A) If AH and AS are both positive, the reaction will always be spontaneous
(B) If AH and AS are both positive, the reaction will be spontaneous at a high
enough temperature
(C) If AH is negative and AS is positive, the reaction will always be
spontaneous
(D) If AH and AS are both negative, the reaction will always be spontaneous
(E) Both (B) and (C)
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