Tire inflation with Nitrogen or ?

clare at snyder.on.ca wrote in message
...

And ordinary compressed air is already 80% nitrogen.
But the oxygen and ozone, along with a few other gasses does
accellerate the deterioration of the rubber, and the nitrogen stays in
better than the rest (co2 included) Also more temperature stable,
pressure-wize.

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Posted via a free Usenet account from http://www.teranews.com

I'm not 100% sure what Clare means by "more temperature stable, pressure
wise.", but all gasses follow Boyle's law, which is Pressure x Volume =
Number of moles x Avogadro's number x Temperature... PV=NRT. Essentially,
for a given temperature increase, all gasses expand (or increase pressure,
given a fixed volume) at the same ratio.

KB