two-identical-cylinders-a-and-b-are-connected-by-a-rod-the-rod-is-a-short-tube-w

Question

Two identical cylinders, A and B, are connected by a short tube with a valve. Cylinder A contains N molecules of helium, and cylinder B contains 3N molecules of argon. Initially, the valve is closed, and both gases are at the same temperature. After the valve is opened, helium and argon gases expand isothermally. Determine the average number of molecules of helium and argon that will be present in each cylinder.

Accepted Answer

Cylinder A:
N/2 molecules of helium ;
3N/2 molecules of argon
Cylinder B:
N/2 molecules of helium;
3N/2 molecules of argon

Answer

Cylinder A:
N molecules of helium ;
0 molecules of argon
Cylinder B:
0 molecules of helium;
3N molecules of argon

Answer

Cylinder A:
0 molecules of helium;
3N molecules of argon
Cylinder B:
N molecules of helium;
0 molecules of argon

Answer

Cylinder A:
0 molecules of helium ;
0 molecules of argon
Cylinder B:
N molecules of helium;
3N molecules of argon

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