You have an ideal gas in an insulated container. The volume of the container increases from 10 m^{3} to 20 m^{3} under a constant pressure of 50. × 10^{5 }Pa. What was the work done on the gas?

We will use the formula W = PΔV. We know that ΔV = 10, P = 50. × 10^{5} Pa. We plug these values in and get W = PΔV = 5.0 × 10^{7} J.