The change in specific entropy of a system undergoing a reversible pro – McqOptions

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1.	The change in specific entropy of a system undergoing a reversible process is given by \({S_2} - {S_1} = (C_P - C_V) ln(\frac {V_2 }{V_1}) \). This is valid for which one of the following?
A.	Adiabatic process undergone by an ideal gas
B.	Isothermal process undergone by an ideal gas
C.	Polytropic process undergone by a real gas
D.	Isobaric phase change from liquid to vapour
Answer» C. Polytropic process undergone by a real gas

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