A 50-Mol Ideal Gas System Undergoes an Adiabatic Free Expansion (A

Multiple Choice

A 5.0-mol ideal gas system undergoes an adiabatic free expansion (a rapid expansion into a vacuum) ,going from an initial volume of 20 L to a final volume of 30 L.How much work is done on the system during this adiabatic free expansion?

A) −100 J
B) −20 J
C) zero
D) +100 J
E) +20 J