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A piston cylinder device contains 3kg of helium at 600 degrees celcius, 300 kPa.

(A)A process takes place such that the volume of the helium increases by 50% and the pressure becomes 150 kPa. determine the final temperature of the helium, degrees celcius.

(B)During the process the internal energy of the helium decreases by 682 kJ/kg, and the helium does 982Kj/kg of work on the piston. Determine the amount of heat transfer that occurred during the process, in kJ, and it direction.

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  • Category:- Chemistry
  • Reference No.:- M91012188

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