1.

During an integral number of complete cycles, a reversible engine (shown by a circle) absorbs 1200 joule from reservoir at 400 K and performs 200 joule of mechanical work.(a) Find the quantities of heat exchanged with the second reservoir.(b) Find the change of entropy in second reservoir (in J/K). (c) What is the change in entropy of the universe?

Answer» During an integral number of complete cycles, a reversible engine (shown by a circle) absorbs 1200 joule from reservoir at 400 K and performs 200 joule of mechanical work.

(a) Find the quantities of heat exchanged with the second reservoir.



(b) Find the change of entropy in second reservoir (in J/K).

(c) What is the change in entropy of the universe?




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