The pV diagram in the figure to the right shows a heat engine operating on 0.850

Question

The pV diagram in the figure to the right shows a heat engine operating on 0.850 mol of H2. Segment ca is isothermal. (b) Find the value of the temperature at all three verticies. (c) Find the change in internal energy, work, and heat during each process of the cycle. (d) Find the termal efficiency of this heat engine, treating the gas as ideal and monatomic. (e) Calculate the coefficient of performace if the engine is run in reverse, as a refigerator.

Please explain answers! I need to actually understand this stuff! Thank you :)

Explanation / Answer

follow this and put data in it to get answer We know the relation between efficiency (e) and coefficient ofperformance (k) of an engine is e = 1 / (k + 1) k+1 = 1/e k = (1/e)-1 = (1/0.328) - 1 = 2.05

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