Thermal Physics

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Joined: 5 Jun 2011
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30 Jun 2011 20:16:03 IST
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in feynman books it is written that when we compress a gas slowly, the temp of the gas increases Bu
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in feynman books it is written that when we compress a gas slowly, the temp of the gas increasesBut according to PV=nRT, on compression of gas the temp should fall down....so how is the temp is increasing accrding to feynman.........



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Hot goIITian

Joined: 12 Jan 2010
Posts: 108
6 Jul 2011 08:43:05 IST
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 on the basis of thermdynamics. the workdone goes in increasing the internal energy of the gas if the wall is adiabatic or poor conductor of heat.it is practically observed too because heat takes sometime to exchange. u cant comment on the basis of gas eqution because who told u that pressure will remain same .when u compress then pressure increases hence if volume is decresing and pressure is incresing then nothing definite about temperature can be said

 


Hot goIITian

Joined: 12 Jan 2010
Posts: 108
6 Jul 2011 08:43:17 IST
0 people liked this

 on the basis of thermdynamics. the workdone goes in increasing the internal energy of the gas if the wall is adiabatic or poor conductor of heat.it is practically observed too because heat takes sometime to exchange. u cant comment on the basis of gas eqution because who told u that pressure will remain same .when u compress then pressure increases hence if volume is decresing and pressure is incresing then nothing definite about temperature can be said

 




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