2. 對封閉系統來說，當過程的初態和末態確定後，下列各項中沒有確定量值的是？(A)Q (B)Q + W (C)W(Q = 0) (D)Q(W = 0)

理想液態混合物的混合性質是？ (A) \( \Delta_{mix}V = 0, \Delta_{mix}H = 0, \Delta_{mix}S > 0, \Delta_{mix}G < 0 \)(B) \( \Delta_{mix}V < 0, \Delta_{mix}H < 0, \Delta_{mix}S < 0, \Delta_{mix}G = 0 \)(C) \( \Delta_{mix}V > 0, \Delta_{mix}H > 0, \Delta_{mix}S = 0, \Delta_{mix}G = 0 \)(D) \( \Delta_{mix}V > 0, \Delta_{mix}H > 0, \Delta_{mix}S < 0, \Delta_{mix}G > 0 \)