Is Evaporation of Water Endothermic or Exothermic?

I'm working on my school assignment and I'd like to know which type of process the evaporation of water is: Endothermic or Exothermic?

asked by Jonas in Science | 21640 views | 06-25-2009 at 08:50 PM

The process is definitely endothermic.

The explanation:
It takes heat to break the hydrogen bonds water forms with other water molecules in its liquid form and become vapor.

Heat is lost during evaporation. It is exactly why you get cool when you sweat.

answered by Miley | 06-25-2009 at 08:56 PM

It's actually an Endothermic process.
As Miley explained, if water evaporation were an exothermic process, releasing instead of absorbing heat, the sweating would cause you to overheat and you would die.

answered by Fav | 06-25-2009 at 09:00 PM

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