Expanding gases and temperatures
Discussion
I remember small amounts my GCSE and A-Level physics education, and know roughly that gases cool as they expand. So if compressed air from, say, a 200 bar cylinder vents to atmosphere it's going to get colder. How can I work out how much colder it will get? How about when filling a tyre?
Do I need to use P1.V1/T1 = P2.V2/T2? (Which is about all I can remember from my school days.)
Do I need to use P1.V1/T1 = P2.V2/T2? (Which is about all I can remember from my school days.)
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