天气预报 > 教育 > 浓氨水与熟石灰反应现象
浓氨水与熟石灰反应现象
更新时间: 2021-02-17 05:55:35  

1、存在可逆反应NH3+H2O =(可逆)NH3H2O =(可逆)NH4+ + OH- 生石灰溶水有大量OH-生成,反应逆向进行有利于NH3放出。

2、生石灰溶水放出大量热,抑制NH3H2O水解,反应逆向进行有利于NH3放出。

3、生石灰溶水放出大量热,使气体溶解度下降,有利于NH3放出。

关键词: 氨水 熟石灰 反应 现象

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