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为什么干冰遇水会变成气体
更新时间: 2020-10-09 00:00:00  

首先干冰就是固体二氧化碳,二氧化碳是看不到的,其实那也不是烟,是雾,二氧化碳由固体变成气体时吸收大量的热,使周围空气的温度降的很快,空气温度降了,对水的溶解度变小,水蒸气就凝聚,所以周围的水蒸气就变成了小液滴,就是雾了。

关键词: 为什么 干冰 变成 气体

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