82问答网 > 4o立方水电加热4度多长时间

4o立方水电加热4度多长时间

2025-03-26 17:55:48
推荐回答（1个）
回答1：

4.2×10³ J/（kg℃)
计算公式 Q=cm△t
Q表示热量 c表示比热容 m表示质量 △t表示变化的温度

40立方水质量=40*1.0*10^3KG
需要的热量=cm△t =4.2×10³ *40×10³*4=672000000(J)=186.6666667千瓦·时(kW·h)

具体要加热多少时间，得看你的加热器有多大功率。
186.6666667千瓦·时，如果用 186.6666667千瓦 的加热器的话，就是1小时就够了。

供参考。

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