試題詳解

24. Several possible combinations of ΔH and ΔS for a reaction are listed as below. Which of the following case is spontaneous for this reaction at all temperatures?
(A) ΔH is positive, ΔS is positive
(B) ΔH is negative, ΔS is positive
(C) ΔH is negative, ΔS is negative
(D) ΔH is positive, ΔS is negative
(E) None of these