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The relation between U,P and V foran ideal gas in an adiabatic process is given by U = 2 + 3 PV. The gas is |
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Answer» monoatomic Fromthe firstlawof THERMODYNAMICS, we get or ` 0- dU + PdV` From the given equation `dU = 3 ( PdV + VdP)+ PdV` ` or 4P (dV) +3 V (dP) = 0or 4 (dV)/V)=-3 ((dP)/P)` On integrating , we get ` "In"(V^(4) + "In"(P^(3))="constantor " PV^(4//3)` = constantCompareit with standardequation of an adiabatic process ` PV^(y) ` = constant,we get ` gamma = 4/3 `i.e,GASIS polyatomic . |
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