A gas changes in volume from 0.790 m^3 to 0.260 m^3 at a constant pressure of 1.20 x 10^5 Pa.
(a) How much work is done on the gas?
(b) How much work is done by the gas on its environment?
(c) Which of Newton's laws best explains why the work done on the gas is the negative of the work done on the environment?