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the correct formual is PV=nRT


Outer Bamnks diving on the Great Escape Southern California Live-Aboard Dive Boat


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Posted by Chris on February 23, 2007 at 17:04:17:

In Reply to: PV = T posted by ptf on February 23, 2007 at 11:01:32:

PV=nRT is the ideal gas law.

P is pressure
V is volume
n is the number of gas molecules
R is the ideal gas constant
T is the absolute temperature

All other commonly known gas laws are derived this. The simplified gas laws they teach in scuba courses all assume adiabatic (no heat flow in or out of the gas) compression or expansion. That is not strictly true, but is a fair approximation for many simple cases.



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