A System Which Does Work on the Surroundings with No

Multiple Choice

A system which does work on the surroundings with no heat change has

A) w < 0, ΔU = 0.
B) w > 0, ΔU > 0.
C) w > 0, ΔU < 0.
D) w < 0, ΔU > 0.
E) w < 0, ΔU < 0.