Initially there are 3 [kg) of gas at a pressure of 200 [kpa] and specific volume of 1.5 [m3/kgl contained within a piston cylinder assembly. the gas undergoes a polytropio process for which py2-constant until the specific volume is 1.0 (m3/kgl and the specific internal energy decreases by 150 [kj/kg). find the amount of heat transfer between the system and surroundings in [kj].

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