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冬天里的水为什么会结冰
更新时间: 2020-07-14 00:00:00  

低于0摄氏度,水就会结冰。

一般情况下,物质都存在三种状态,即固态、液态、气态。在冬天,当液态的水遇冷,水便放出热量,温度降低,当水的温度达到冰点,且继续放热的情况下,水便由液态的水变成固态的冰,这就是水的结冰。水结冰是个恒温过程,但放出热量。

关键词: 冬天 为什么 结冰

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