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钠与水反应发出嘶嘶的声音的原因
更新时间: 2020-09-09 00:00:00  

钠和水反应生成氢氧化钠和氢气。 氢气与空气中氧气反应生成水和放出大量热量 ,使局部的水沸腾,而大量热量的产生,而不能快速的导出,就只能将附近的水加热到汽化,且各部分与水的接触不一致,故气体产生量不同,导致钠在水面游动,从而引发空气震动,产生嘶嘶声。

关键词: 反应 发出 嘶嘶 声音 原因

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