Physics, 24.10.2019 23:43 nasibamurodova

Balloon is filled with air and initially occupies a volume of 10 cm3 at a pressure of 150 kpa and temperature of 20o c. the balloon is then moved to warmer environment of 40o c and comes into thermal equilibrium with a final volume of 10.5 cm3 . assuming ideal gas behavior and a polytropic process for the air (pvn = constant) then determine the: a) work done by the air (j), b) heat transfer to the air (j).

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