A Carnot engine uses a hot reservoir consisting of a largeamount of boiling wate

Question

A Carnot engine uses a hot reservoir consisting of a largeamount of boiling water and a cold reservoir consisting of a largetub of ice and water. When 9260 J of heat is put into the engineand the engine produces work, how many kilograms of ice in the tubare melted due to the heat delivered to the cold reservoir? A Carnot engine uses a hot reservoir consisting of a largeamount of boiling water and a cold reservoir consisting of a largetub of ice and water. When 9260 J of heat is put into the engineand the engine produces work, how many kilograms of ice in the tubare melted due to the heat delivered to the cold reservoir?

Explanation / Answer

   the efficiency is given by    e = 1 - (TC /TH)      = ........    the workdone by this engine is    W = e QH    the amount of heat delivered to thecoldreservoir is    QC = QH - W          = ........J    so the amount of ice is given by    m = QC / Lf        = ......... kg

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