The work of 142kJ is performed in order to compress one kilo mole of gas adiabatically and in this process the temperature of the gas increases by `7^@C`. The gas is `(R=8.3Jmol^-1K^-1)`A. diatomicB. triatomicC. a mixture of monoatomic and diatomicD. monoatomic

The work of 142kJ is performed in order to compress one kilo mole of g

1.	The work of 142kJ is performed in order to compress one kilo mole of gas adiabatically and in this process the temperature of the gas increases by `7^@C`. The gas is `(R=8.3Jmol^-1K^-1)`A. diatomicB. triatomicC. a mixture of monoatomic and diatomicD. monoatomic
Answer» Correct Answer - A (a) `W=(nRDeltaT)/(1-gamma) rArr -146000=(1000xx8.3xx7)/(1-gamma)` or `1-gamma=-58.1/146 rArr gamma=1+58.1/146=1.4` Hence the gas is diatomic.

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The work of 142kJ is performed in order to compress one kilo mole of gas adiabatically and in this process the temperature of the gas increases by `7^@C`. The gas is `(R=8.3Jmol^-1K^-1)`A. diatomicB. triatomicC. a mixture of monoatomic and diatomicD. monoatomic

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