Quote:
Originally Posted by TavisB
What? It expands just like air.
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At low P and T, yes, it does behave according to ideal gas laws.
At higher P and T, like 100psi and 100s of degrees C, it deviates from ideal.
I think a bigger issue with using air is not so much the unideal expansion, but the combustibility of the compressed oxygen in air.
There's a reason you avoid compressing gaseous oxygen.