Question #d87ef
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"How do covalent bonds affect physical properties?"
1 Answer
Jan 22, 2016
Evaporation causes cooling when the "heat of evaporation" is positive.
Explanation:
This is defined as the heat taken up by the phase transition from liquid to vapor. For water, the heat of evaporation is unusually large, so it take away so much heat, the surface it evaporates from is significantly cooled.
