posted by Amber .
One mole of a van der Waals gas with a=15.0 l^2 atm mol^−2 and b=0.015 l
mol^−1 is expanded reversibly and isothermally from 1 atm to 0.5 atm at a temperature of
300 K. Calculate w for this process, and compare it with that required to expand an ideal
gas between the same volumes (calculating the volumes will be one of the trickiest parts of