Wednesday
April 16, 2014

Homework Help: chemistry

Posted by bubble on Monday, January 25, 2010 at 11:01pm.

1.Vapor pressure is the pressure exerted by a vapor when condensation

A. <
B. =
C. >
evaporation over its liquid in a closed system.

2.Evaporation is an

A. endothermic
B. exothermic

process, because when a substance evaporates it must

A. absorb
B. release
energy to(from) its surroundings.

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