thermo 2

2 moles of an ideal diatomic gas is taken through PT=constant. its temperature is increased from T to 2T. find the work done by the system.

1 Answers

106
Asish Mahapatra ·

PT = const
==> P*PV/nR = c
==> P2V = c
==> P = √c/V

Work = ∫PdV
= ∫√c/VdV
= 2√cV
= 2√cV2 - cV1
= 2√(P2V2)2-(P1V1)2
= 2√(2R*2T)2-(2R*T)2
= 4RT√3

Your Answer

Close [X]