106This is also PT = const
From previous question,
W = 2√(P2V2)2-(P1V1)2
= 2√(2RT2)2-(2RT1)2
= 4R√T22-T12
Molar specific heat = ΔQ/nΔT = Cv + W/ΔT
= Cv + 4R√T22-T12/(T2-T1)
= Cv + 4R√(T1+T2)
at ideal diatomic gas goes througha process where its pressure is inversely proportional to its temperature.
a]calculate molar specific heat for the process.
b] find the work dne by 2 moles of the gas if its temperature changes from T1 to T2.
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106