A vertical cylinder containing some ideal gas is closed at both ends. A frictionless piston is fitted in the cylinder such that it divides the cylinder into two equal parts at 300K. Moles of gas in one part is double than that in other part. To what temperature (in Kelvin) the cylinder should be heated or cooled such that the volume of upper part becomes three times that of lower part?

A vertical cylinder containing some ideal gas is closed at both ends

1.	A vertical cylinder containing some ideal gas is closed at both ends. A frictionless piston is fitted in the cylinder such that it divides the cylinder into two equal parts at 300K. Moles of gas in one part is double than that in other part. To what temperature (in Kelvin) the cylinder should be heated or cooled such that the volume of upper part becomes three times that of lower part?
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