1. 對於只做膨脹功的封閉系統的的量值是？(A)大於零 (B)小於零 (C)等於零 (D)不能確定

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) \( \Delta_{mix}V > 0, \Delta_{mix}H > 0, \Delta_{mix}S < 0, \Delta_{mix}G > 0 \)