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Calculate final temperature of a gas undergoing an expansion in several ways.

A perfect gas occupying 0.2 cubic meters at a pressure of 1240 Kpa and a temp of 150 deg Celsius is expanded to 0.5 cubic meters. What is the final temp if the expansion takes place in the following ways: at constant pressure, Isothermally and according to the law pv^1.25=Constant?

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Let us denote the pressure, volume, and temperature at the beginning by P0,V0 and T0 respectively, and denote the pressure, volume, and temperature at the end by P,V and T ...

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The solution provide the formulas needed to work the problem, and includes an calculated answer.

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