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2019-06-18View Original

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选择题:理想气体从状态I 经自由膨胀到状态II ,可用哪个热力学判据来判断该过程的自发性? (A)ΔH (B) ΔG (C)ΔS 隔离 (D) ΔU 答案:C 。理想气体自由膨胀不做功,亦不换热,故为隔离系统。 提示:答案回复可见

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