How much heat is required to evaporate a gram of water at room temperature?

1 answer:

3 0

First, the water must be raised to a temperature of 100 degrees - this requires 4.181 joule/(degree x gram). For example, if your "room temperature" is 20 degrees, multiply that by 8.Then you have to actually evaporate it - that costs 2260 joules/gram.

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