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## Homework Statement

## Homework Equations

Work done by an ideal gas, isothermal process: W=n*R*T*ln(V_f / V_i)

Work, constant-pressure process: W=p*(V_f - V_i)

## The Attempt at a Solution

I first tried plugging n=1, R=8.31, T=273.15, V_f=17.5 L, V_i=24 L into the first equation and it didn't work.

I then tried the constant-pressure formula with the corresponding values given from the problem (p=.937 atm, V_f=17.5 L, V_i=24 L) and it didn't work either.

This problem seems pretty straight forward but I can't get the right answer. Help?