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铵盐融水为什么会吸热

更新时间: 2020-11-06 00:00:00     

1、因为铵盐中含有铵离子,铵盐溶解,铵离子水解,断键形成氨气。由成键放热,断键吸热原理得出,该过程是吸热的。

2、同时有一个水与氨气形成稳定的氢键,该过程是放热;但是形成氨气所吸收的热量更多,整体处于吸热,所以铵盐溶于水时吸热。

关键词: 融水 为什么 吸热

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