1mol氮气在等温自由膨胀体积由V变成2V的过程中的熵变
人气:415 ℃ 时间:2020-03-28 14:04:14
解答
由PV=nRT,P=RT/ V,因为 n=1 mol W=△(PV)
∫ P dV=∫ RT/ V dV = RT ln(2V / V)= RT ln 2 = W = △G =△H=T△S
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