The formulae for change in entropy

Δ S = R l n (\frac{V _{2}}{V _{1}}) = - R ln (\frac{P _{2}}{P _{1}}),

Δ S = C_{P} ln (\frac{T _{2}}{T _{1}}),

Δ S = C_{V} ln (\frac{T _{2}}{T _{1}}),

All are correct

Answer

Answer: Option D

Answer: Option D

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