Leumas Physics

Entropy Change of an Ideal Gas (Isothermal)

dS = n·R·ln(V2/V1)

What it says

Computes the entropy change of n moles of an ideal gas expanding or compressing isothermally between two volumes.

Symbols

SymbolQuantityDimension
dSEntropy change (J/K)M L^2 T^-2 Θ^-1
nAmount of substance (mol)N
V2Final volume (m^3)L^3
V1Initial volume (m^3)L^3

Work it out

Enter what you know. No account needed.

Connects to

Filed under Thermodynamics · derive through it in the explorer