An ideal gas at 54.5°F and a pressure of 1.50 x 10^5 Pa is in a container having a volume of 1.00 L.
(a) Determine the number of moles of gas in the container.
(b) The gas pushes against a piston, expanding to twice its original volume while the pressure falls to atmospheric pressure. Find the final temperature. Note: 1 L = 1.0 x 10^-3 m^3.