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Isothermal Expansion


ie

The work done on a perfect gas during isothermal expansion is given by

where: W = work done [J]; n = number of moles of gas; R = molar gas constant = 8.31441 JK^-1mol^-1; T = gas temperature [K]; P₁ = pressure before expansion [Nm^-2]; P₂ = pressure after expansion [Nm^-2]; V₁ = volume before expansion [m³]; V₂ = volume after expansion [m³]

See also: Ideal Gas, Ideal Gas Law, Isothermal Transformation.

Subjects: Physics