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水为什么会沸腾
更新时间: 2020-09-18 00:00:00  

在标准状况下水到100摄氏度会开始大量蒸发,即从液态转为气态,由于烧水是热源在水的下方,所以底部的水先气化,气体密度较小上升,由于气体在水面下受到来自水的压力,在上升过程中压力不断减小,导致气体的体积不断增大,排开并带动液体翻滚,形成沸腾现象。

关键词: 为什么 沸腾

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