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Re: Well...some speculation...
Posted by Chris M (more from Chris M) on Thu, 9 Aug 2001 19:14:38
In Reply to: Well...some speculation..., Bryce, Thu, 9 Aug 2001 11:39:09
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The density of a dry gas (air) drops linearly with temperature increases from Absolute Zero (-459 F). So if the temperature rises from 60F to 100F, the increase in temperature is 7.56%, not the 66.7% that our gut tells us by looking at the numbers. Therefore, the air at 100F is 7.56% less dense than the air at 60F.
For those others who remember high school or college physics, the formula is PV=nRT, or (Pressure)x(Volume)=(quantity of molecules)x(Gas Law Constant)x(Temperature).
The quantity of molecules is ususally expressed in terms of mol.
The gas law constant takes into account the various units of measurement and changes depending upon bar vs. PSI, C vs F, liters vs cubic inches, etc.
I didn't say it was interesting, but you asked.
-Chris
posted by 65.197.21...
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