Questions
mole of an ideal gas undergo a process . Maximum temperature of the gas during the process is:
detailed solution
Correct option is B
Since P−V graph of the process is a straight line and two points (V0,2P0) and (2V0,P0) are known, therefore its equation will be, (P−P0)=(2P0−P0)(V0−2V0)(V−2V0)=P0V0(2V0−V) ∴ P=3P0−P0VV0 (∵y=mx) According to equation for ideal gas,T=PVnR=(3P0−P0VV0)VnR =3P0V0V−P0V2nRV0 …(1) For T to be maximum,dTdV=0 3P0V0−2P0V=0 or V=3V02 …(2) putting this value in equation (1), we get;Tmax=3P0V0(3V02)−P0(94V02)nRV0 =9P0V04nRTalk to our academic expert!
Similar Questions
Two identical containers A and B have frictionless pistons. They contain the same volume of an ideal gas at the same temperature. The mass of the gas in A is mA and that in B is mB. The gas in each cylinder is now allowed to expand isothermally to double the initial volume. The change in the pressure in A and B, respectively, is and 1.5. Then
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