Question: A Carnot engine works between two heat reservoirs at temperatures Th = 300 K and Tc = 200 K. (a) What is its efficiency? (b)

A Carnot engine works between two heat reservoirs at temperatures Th = 300 K and Tc = 200 K.

(a) What is its efficiency?

(b) If it absorbs 100 J from the hot reservoir during each cycle, how much work does it do?

(c) How much heat does it give off during each cycle?

(d) What is the COP of this engine when it works as a refrigerator between the same two reservoirs?

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