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3. Consider the two questions for ideal heat engines. (a) You have an engine with a cold sink at 0.00 C. If 10.00 kJ of

3. Consider the two questions for ideal heat engines.

(a) You have an engine with a cold sink at 0.00 C. If 10.00 kJ of heat is withdrawn from the hot source and 3.00 kJ of work is generated, what is the temperature of the hot source? What is the efficiency of the engine?

(b) What is the maximum efficiency of an engine with a hot source at 100.0 C and a cold sink at 10.0 C?

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