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One mole of an ideal gas whose adiabatic...

One mole of an ideal gas whose adiabatic axponent equal `gamma` undergoes a process in which the gas pressure relates to the temperature as `p = aT^alpha`, where `a` and `alpha` are consists. Find :
(a) the work performed by the gas if its temperature gets an increment `Delta T` ,
(b) the molar heat capacity of the gas in the process , at what value of `alpha` will the heat capacity be negative ?

Text Solution

Verified by Experts

The correct Answer is:
`C=R/(gamma-1)+R (1-alpha);C lt 0` for `alpha gt gamma/(gamma-1)`
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