One kilogram of air as an ideal gas executes a carnot power

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One kilogram of air as an ideal gas executes a Carnot power cycle having a thermal efficiency 50%. The heat transfer to the air during isothermal expansion is 50 kJ. At the end of the isothermal expansion, the pressure is 574 kPa and the volume is 0.3 m3. Determine
a. The maximum and minimum temperatures for the cycle, in K
b. The pressure and volume at the beginning of the isothermal expansion in kPa and m3.
c. The work and heat transfer for each of the four processes in kJ
d. Sketch the cycle on P-v coordinates

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