13. Choose the correct statement.
(A) exothermic reactions are always spontaneous
(B) free energy is independent of temperature
(C) a reaction that exhibits a negative value of AS cannot be spontaneous
(D) at constant pressure and temperature, a decrease in free energy ensures an increase in the entropy of the system
(E) none of these
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統計: A(0), B(0), C(0), D(1), E(0) #3370763
統計: A(0), B(0), C(0), D(1), E(0) #3370763