Physics, 19.07.2019 03:10 mika08

What is the total entropy change if a 0.280 efficiency engine takes 3.78e3 j of heat from a 3.50e2 degc reservoir and exhausts it to a 42.4 degc reservoir?

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What is the total entropy change if a 0.280 efficiency engine takes 3.78e3 j of heat from a 3.50e2 d...