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A mole of an ideal monatomic gas is taken through a 3-process cycle. The gas was...

A mole of an ideal monatomic gas is taken through a 3-process cycle. The gas was initially at state a, with a volume of 370 cm3 and pressure 6.74 MPa. It then goes to state b through an isobaric process, before going to state c through an isochoric process. When it is at state c, it has a volume of 800 cm3. Once it is at state c, it can undergo an isothermal process to return to state a.

Draw a PV graph

Calculate the temp of state b

Calculate the change in internal energy of the gas during the isobaric process ab.

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