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**1. Homework Statement**

Calculate the work done during the isothermal reversible expansion of a gas that satisfies the virial equation of state.

**2. Homework Equations**

Virial equation of state: pV

_{m}= RT(1+B/V

_{m}+ C/V

_{m}+ ...)

Isothermal reversible expansion: w = -nRT ln(V

_{f}/V

_{i})

**3. The Attempt at a Solution**

I tried to substitute n with the expansion, but that is not correct. Any ideas?

Thanks!