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13问答网 > 动态法测定液体饱和蒸汽压中，温度和压力为什么要进行校正，怎么校正？

动态法测定液体饱和蒸汽压中，温度和压力为什么要进行校正，怎么校正？

2025-03-15 08:02:14

推荐回答（1个）

回答1：

饱和蒸汽压同温度有确定的关系，克劳修斯和克拉贝龙从理论上得出如下微分方程。方程及其解通称为克－克方程。
＝
式中，△hm为摩尔气化焓，vg,m与vl,m分别为气体和液体的摩尔体积。作了一些近似后，上式化简为：
＝
解得
lnp=－
+c

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