88.tChoose the correct statement.
(A)tA reaction that exhibits a negative value of △S cannot be spontaneous.
(B)tExothermic reactions are always spontaneous.
(C)tFree energy is independent of temperature,
(D)tAt constant pressure and temperature, a decrease in free energy ensures an increase in the entropy of the system.
(E)tNone of the above.
答案:E
統計:A:0,B:0,C:0,D:2,E:0
難度:計算中