Problem D8:
Consider an ideal gas that is confined to a container. The gas starts in the
state A. The gas then undergoes a quasi-static process to the state B that is shown in the
figure below. In state A the volume is V_{0} and the pressure is P_{0}.
In state B the volume of the gas is n_{1}V_{0} and the
pressure is n_{2}P_{0}. The process is described by a straight line
in the P-V plane. If the work done **by** the gas is W = n_{3}
P_{0}V_{0}, what is n_{3}?
Note that n_{1}, n_{2} and n_{3} are unitless.

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