冬天,冰冻的衣服直接变干是什么物理现象
问题描述:
听说是升华,但升华不是要吸热吗,冬天哪里来的热量?
是升华现象.我看到楼主追问楼上说“水升华所需要的温度有多高?”这句话本来就是错的.升华是固态变气态的过程,应该是冰升华而不是水升华.水变水蒸气是液化,不是升华.另外我可以告诉楼主冰升华的温度
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