Quote:
Originally Posted by SebC
Rubber is less permeable to nitrogen than to the 20% of air that isn't nitrogen, so you don't lose gas as easily as with air if you have a good fit on your rims. But the pressure will still change with temperature.
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Physics question. Seeing that oxygen and nitrogen are 1 atomic weight from one another, why would N permeate to a lesser degree vs. O?
Okay I answered my own question by searching.
Read all about it here (pdf).
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