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

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統計： A(2), B(76), C(1), D(2), E(0) #2356340

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10. For a particular chemical reaction, △H = 5.0kJ and △S = - 25J/K. Under what temperature conditions is the reaction spontaneous? 
(A)When T ＜ -220K 
(B)When T ＜ 220K 
(C)When T ＞ 220K 
(D)The reaction is not spontaneous at any temperature. 
(E)The reaction is spontaneous as all temperature. 

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