Question an ideal heat engine takes in 460j of heat at a, Ask an Expert

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Question: An ideal heat engine takes in 460J of heat at a temperature of 600K and outputs 285J of heat.

Part A: How much work is done by the engine?

Part B: What is the efficiency of the engine and what is the exhaust temperature of the engine?

I don't understand how to get the answer. Can you please help me with this question?

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