MadSci Network: Chemistry
Query:

Subject: Does water under pressure break the one of the laws about heat disbursal?

Date: Wed Sep 27 16:39:59 2000
Posted by Beth
Grade level: undergrad School: University of Hawaii at Hilo
City: Hilo State/Province: Hawaii Country: USA
Area of science: Chemistry
ID: 970087199.Ch
Message:

Water is at maximum density at 4 degrees C.  Under pressure, it will not go 
below 4 degrees because to do so it forms more hydrogen bonds and expands. 
 If it is under pressure in a container at 4 degrees C, and that container 
is placed into a freezer at zero degrees (or less than 4 degrees C), the 
water could not go below that 4 degrees and therefore would be breaking the 
law (1st Law of Thermodynamics?) about heat travelling from a higher 
temperature to a lower temperature.  This does not seem possible, so I 
wonder if it would be that there is NO container that could hold water and 
keep it from expanding or if it would be one of the alternative forms of 
ice that would be formed, or if it's just something I haven't thought of 
yet.


Re: Does water under pressure break the one of the laws about heat disbursal?

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