Change in Entropy

 for Constant Volume, Constant Pressure, and Constant Temperature, respectively.  Where:

S = Entropy (J/K)

n = Number of moles (mol)

Cv , Cp= Specific heat at constant volume or pressure (J/(kg*K))

T = Temperature (K)

R = Ideal Gas Constant (J/(mol*K))

V = Volume (m3)

0 subscript indicates initial value.

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