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a machinr carries 2 moles of an ideal diatomic gas thay is initially at a volume...

a machinr carries 2 moles of an ideal diatomic gas thay is initially at a volume of 0.020 m^3 and a temperature of 37 C is heated to a constant volumes at the temperature of 277 C is allowed to expand isothermally at the initial pressure, and finally it is compressed isobarically to its original volume, pressure and temperature.
1. determine the amount of heat entering the system during the cycle.

2. calculate the net work affected by the gas durinf one cycle

3. calculate the efficiency.

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