In a Steam Engine, Steam in a Cylinder Expands Against

Multiple Choice

In a steam engine, steam in a cylinder expands against a piston, exerting 10 atm of external pressure. The volume of the cylinder increases by 10 L and simultaneously the steam cools, losing 3,000 kJ of energy to the surroundings. What is the change in energy of the steam? (101.3 J  1 L atm)

A) (3,010 kJ)
B) (3,001 kJ)
C) (3,100 kJ)
D) (13,135 kJ)
E) (2,990 kJ)