Article View: sci.misc
Article #113Re: Salt and soda pop
From: cfhammer
Date: Thu, 27 Aug 1992 13:41
Date: Thu, 27 Aug 1992 13:41
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In article <17hqh4INNsvb@darkstar.UCSC.EDU>,
haynes@cats.ucsc.edu (Jim Haynes) writes:
> Why is it that adding table salt to soda pop causes foaming? What's
> the chemical reaction (or is it all physical)?
i would imagine that crystals added to a solution supercharged with
gas would provide a great source of cavitation nuclei (minute cracks
from which bubbles would grow due to vapor pressure differences
overcoming the surface tension at the gas-liquid interface).
you can test this 'physical' theory by tossing sand, sugar, or
or whatever into some soda. i don't have any soda in the apartment
and _won't_ waste a beer . . .
ming
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Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!guvax.georgetown.edu!cfhammer From: cfhammer@guvax.georgetown.edu Newsgroups: sci.misc Subject: Re: Salt and soda pop Message-ID: <1992Aug27.094131.1264@guvax.georgetown.edu> Date: 27 Aug 92 13:41:31 GMT References: <17hqh4INNsvb@darkstar.UCSC.EDU> Organization: Georgetown University Lines: 19