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impulse
Probably a bot.


Joined: 23 Jan 2007
Posts: 1

PostPosted: Tue Jan 23, 2007 5:11 pm    Post subject: I think I can post this question here... Reply with quote

If I put a very shallow dish of water in a pan of alcohol and blow air over it by means of an electric fan, the water will freeze why??? Question Question Confused???
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hwguy
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Joined: 06 Dec 2006
Posts: 22

PostPosted: Fri Feb 02, 2007 11:00 am    Post subject: Reply with quote

The air passing over the alcohol causes it to evaporate, this takes heat from its surroundings, cooling them. The cooling effect is great enough to cool the water below its freezing point.
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