天气预报 > 其他 > 氧化钙溶于水为什么会熵减
氧化钙溶于水为什么会熵减
更新时间: 2020-10-07 00:00:00  

因为大多数固体物质溶于水时吸收热量,根据平衡移动原理,当温度升高时,平衡有利于向吸热的方向移动。氧化钙溶于水,与水发生反应生成氢氧化钙,氢氧化钙与水的生成配合物Ca(OH)₂.nH₂O,由于钙元素与水分子的配合过程的放热效应很大,所以氧化钙溶于水会熵减。

关键词: 氧化 为什么

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