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May 30, 2015

Homework Help: IPC

Posted by Jon on Tuesday, October 26, 2010 at 11:00am.

The latent heat of vaporization of ethanol is 200 calories/gram. This means that _____.

a) about 200 calories of heat must be added to 1 gram of ethanol to change its temperature
b) about 200 calories of heat must be added to 1 gram of ethanol to convert it from a solid to a liquid
c) about 200 calories of heat must be added to 1 gram of ethanol to convert it from a liquid to a gas

How do I figure this one out?

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