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ADADADADAD
温度,晶体,空气
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题目俗话说“下雪不冷,化雪冷”.这是因为雪熔化时要______热量.可圈可点用户2021-03-24 13:12优质解答答案吸收解析化雪是熔化过程,熔化是吸热过程,从周围的空气吸热,导致空气温度降低.人们感到寒冷.故
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题目
俗话说“下雪不冷,化雪冷”.这是因为雪熔化时要______热量.
可圈可点用户
2021-03-24 13:12
优质解答
吸收
化雪是熔化过程,熔化是吸热过程,从周围的空气吸热,导致空气温度降低.人们感到寒冷.
故答案为:吸收
知识点
熔化的规律及其特点的定义
晶体在熔化时的温度特点:
吸热但温度不变。晶体熔化的条件是:①温度达到熔点;②继续吸热。两者缺一不可。
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