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From: Nemnich%MIT-MULTICS@sri-unix.UUCP
Newsgroups: net.physics
Subject: Re: freezing soda-pop
Message-ID: <15316@sri-arpa.UUCP>
Date: Sun, 8-Jan-84 20:09:00 EST
Article-I.D.: sri-arpa.15316
Posted: Sun Jan  8 20:09:00 1984
Date-Received: Fri, 13-Jan-84 06:13:57 EST
Lines: 12

From:  Bruce Nemnich <Nemnich@MIT-MULTICS>

My guess would be that the CO2 in solution lowers the freezing point of
the mixture.  Since much of it comes out of solution when the pressure
drops as you pop the cap, the freezing point of the resulting mixture is
above the temperature of the liquid.

Also, because of the many tiny bubbles forming from CO2 leaving the
liquid solution, it doesn't get a chance to form a nice big crystal
(freeze solid), and you are left with slush.

--bruce