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Consider the quasi-static expansions of an ideal gas between the equilibrium states A and C of...

Consider the quasi-static expansions of an ideal gas between the equilibrium states A and C of the figure. Suppose that p1 = 2.10 × 105 N / m2, p2 = 1.05 × 105 N / m2, V1 = 2.25 × 10-3 m3 and V2 = 4.50 × 10-3 m3. If 515 J of heat is added to the gas as it crosses the ABC path,

a) How much heat is required for the transition along ADC?

b) How much was the change in internal energy for the ABC path?

c) How much was the change in internal energy for the ADC path?

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