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在干冰上浇热水为什么冒白烟
更新时间: 2020-07-05 00:00:00  

原因:干冰是二氧化碳的固体,遇热当然生成气体。干冰是固态二氧化碳,浇热水后,干冰会迅速升华,升华是吸收热量的过程,导致周围空气温度降低,空气中的水蒸气遇冷液化成雾状水滴或凝华成小冰晶,产生“冒烟”效果。

关键词: 干冰 热水 为什么

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