Argon gas that has 3 moles at a temperature of 298 K is confined to a cylinder of 20000 mm? cross section at pressure of 10 atm. It is allowed to expand adiabatically and irreversibly against constant...

Extracted text: Argon gas that has 3 moles at a temperature of 298 K is confined to a cylinder of 20000 mm? cross section at pressure of 10 atm. It is allowed to expand adiabatically and irreversibly against constant pressure of 1 atm. The piston is pushed 400 mm length during the expansion calculate change in internal energy, and change in the entropy of the universe.