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硫化氢和水的沸点谁大
更新时间: 2021-02-20 02:54:34  

1、氢键能量高,破坏困难,所以水的沸点高。

2、硫化氢的沸点比水低,水的沸点是100 ℃,硫化氢的分子结构跟水相似,但它的沸点却很低,是-60.7 ℃,引起这种差异的主要原因是水分子中有氢键,硫化氢分子只有范德华力作用。

关键词: 硫化氢 沸点

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