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HF和H2O哪个的沸点高
更新时间: 2020-07-10 00:00:00  

水分子中的氧与周围水分子的氢形成氢键,而且1个水分子能与周围的分子形成4个氢键,并形成稳定的网状结构,汽化时则会断开全部氢键。

氟化氢虽然分子间也可以形成氢键,而且比水强,但1个氟化氢分子只能与周围的分子形成2个氢键,而且气态时还存在二聚体且只能形成链式结构,汽化时并未断开全部氢键,所以相比之下水的沸点更高。

关键词: hf h2o 哪个 沸点

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