Re: Re: metric system

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Article #470

#470

From: court
Date: Tue, 11 Aug 1987 18:50

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In article <452@ambush.UUCP> kimcm@ambush.UUCP (Kim Chr. Madsen) writes:
>0 degrees C - Water freezes (at 1. Atm. pressure)
>0 degrees K - Everything Freezes (Absolute Zero)

For the record,
liquid helium remains liquid at 0 K, unless at least 2.5 MPa of
pressure is applied;  or, strictly speaking, since
0 K is not attainable, the solid-liquid phase equilibrium line for
He-4 is almost flat, and with P approx. equal to 2.5 MPa, from
approx. 1 K down to the lowest temperatures measured.  For He-3,
the slope of the phase equilibrium line is actually negative below
0.2 K.

					John Lewis

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!utcsri!utegc!utai!garfield!court

References: <238@etn-rad.UUCP> <4808@utah-cs.UUCP> <3657@ecsvax.UUCP> <452@ambush.UUCP>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!utgpu!utcsri!utegc!utai!garfield!court
From: court@garfield.UUCP
Newsgroups: sci.misc
Subject: Re: Re: metric system
Message-ID: <3871@garfield.UUCP>
Date: Tue, 11-Aug-87 14:50:17 EDT
Article-I.D.: garfield.3871
Posted: Tue Aug 11 14:50:17 1987
Date-Received: Fri, 14-Aug-87 01:22:02 EDT
References: <238@etn-rad.UUCP> <4808@utah-cs.UUCP> <3657@ecsvax.UUCP> <452@ambush.UUCP>
Reply-To: court@garfield.UUCP (John Courtenay Lewis)
Distribution: sci.misc
Organization: Memorial University of Newfoundland, St. John's
Lines: 16
Summary: He doesn't freeze at 0 K.

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