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Interesting seltzer phenomenon

Interesting seltzer phenomenon - Chemistry Forum

Interesting seltzer phenomenon - Chemistry Forum. Discuss chemical reactions, chemistry.

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Old 01-13-2004, 02:13 AM
Alec Oot
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Default Interesting seltzer phenomenon

While at a friends house over the weekend, my friend and I opened a
bottle of seltzer (plain old carbonated water) and it instantly froze
(not the entire thing, but a good portion of it) The bottle had been
outside for a very long time in around 5 degree weather (degrees F)
and had not frozen, but the instant the seal was broken if froze. I
had originally thought that when the carbon dioxide that was dissolved
in the soda turned into a gas it would cool the seltzer quickly and
cause it to freeze, but why wasn't it frozen before I opened it? Just
to make sure that this was not a fluke, I put another un-opened
seltzer bottle outside for 6 hours (again around 5 degrees F). I know
that the bottle was below 32 degrees because ice had formed on it.
Again, the instant I opened it ice quickly began to form. Can someone
please help explain this?
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Old 01-13-2004, 02:24 AM
Mark Thorson
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Default Interesting seltzer phenomenon

Alec Oot wrote:

This question has been answered before. Here it is AGAIN:

From: Larry Lippman ([Only registered users see links. ])
Subject: Re: Sub-zero Seltzer!
Newsgroups: net.physics
Date: 1985-12-30 13:32:01 PST

You got it - the reason is the presence of dissolved CO2 causing
freezing point depression; the first reason is NOT a factor other than
pressure causing more CO2 to remain in solution. The quantitative
for this phenomenon is expressed through Raoult's Law.

==> Larry Lippman @ Recognition Research Corp., Clarence, New York
==> UUCP {decvax|dual|rocksanne|rocksvax|watmath}!sunybcs!k itty!larry
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Old 01-13-2004, 03:44 AM
Repeating Rifle
Posts: n/a
Default Interesting seltzer phenomenon

in article [Only registered users see links. ], Mark Thorson at [Only registered users see links. ]
wrote on 1/12/04 6:24 PM:

It is more likely that the liquid was supercpooled and waiting to have ice
form around the seed bubbles when they formed.


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Old 02-01-2004, 11:20 PM
John Savage
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Default Interesting seltzer phenomenon

[Only registered users see links. ] (Alec Oot) writes:

I have seen the phenomenon in a bottle of beer that I'd put into the
freezer for a short time but which I forgot for some hours. When I
gingerly took the bottle from the freezer I was relieved to see that the
contents were clear and liquid. But as I removed the cap the top layer of
beer turned cloudy and this cloudiness progressed downwards at a slow
steady rate until after about 25 seconds it had reached the bottom and the
whole bottle's contents had turned solid and white. It was eerie.
John Savage (news address invalid; keep news replies in newsgroup)

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interesting , phenomenon , seltzer

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