0.01 m3 cylinder containing nitrogen gas initially at a pressure of 200 bar and 250 K is connected to another cylinder 0.005 m3 in volume, which is initially evacuated. A valve between the two cylinders is opened until the pressures in the cylinders equalize. Find the final temperature and pressure in each cylinder if there is no heat flow into or out of the cylinder. You may assume that there is no heat transfer between the gas and the cylinder walls and that the gas is ideal with a constant pressure heat capacity of 30 J/mol-K.

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June Lynch

7 January, 23:21

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Priscilla Boyle · Answer 1

P₁ = 200 bar, Temperature T₁ = 250 K, Volume V₁ =.01 m³

V₂ =.015 m³. It is a case of adiabatic expansion

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