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每克水每升1度需要多少热量
更新时间: 2020-10-22 00:00:00  

每克水每升1度需要热量0.001大卡,水的热容是4200焦耳/kg·℃,热容的标准定义是当一系统由于加给一微小的热量dQ而温度升高dT时,dQ/dT这个量即是该系统的热容。

温度(temperature)是表示物体冷热程度的物理量,微观上来讲是物体分子热运动的剧烈程度。温度只能通过物体随温度变化的某些特性来间接测量,而用来量度物体温度数值的标尺叫温标。

关键词: 需要 多少 热量

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