1. NH4CI when dissolved in water leads to cooling sensation. The dissolution of NH4CI at constant temperature is accompanied by
(A) increase in entropy,
(B) decrease in entropy,
(C) no change in entropy,
(D) no change in enthalpy,
(E) decrease in free energy.

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統計: A(2), B(1), C(0), D(0), E(1) #2789551