Q: An ideal gas does work on the surroundings and undergoes an expansion from 10 L to 20 L. The external pressure is constant at 1 atm. The surroundings did 1000 work on the gas. What was the change in the internal energy of the gas? (1 L*atm = 100 J)
A		-1000 J
B		1000 J
C		0 J
D		2000 J

Energy & Work | Gases | Quantitative Skills |