How much work does a gas do when it expands against a constant pressure of 0.500 atm from a volume of 50.00 mL to a volume of 350.00 mL? (101.3 J = 1 L atm)

Question

Quizplus · Accepted Answer

Work done (W) = PΔV = (0.500 atm)(0.0003 L) = 0.15 J.
But the answer choices are in units of L atm, so we need to convert J to L atm: 0.15 J = 0.00148 L atm. 
Therefore, the best choice is C, which is the answer in the correct units and subtracts the initial volume from the final volume (ΔV) to get the correct volume change.

How Much Work Does a Gas Do When It Expands