Jony asked in Science & MathematicsPhysics · 5 months ago

Physics Help please?

A non-reversible heat engine operates between a high-temperature reservoir at Th = 810 K and a low-temperature reservoir at Tc = 320 K. During each cycle, the engine absorbs 660 J of heat from the high-temperature reservoir and performs 250 J of work. (a) Calculate the total entropy change, ΔStot for one cycle. (b) How much work would a reversible heat engine perform in one cycle if it operated between the same two temperatures and absorbed the same amount of heat? (c) Show that the difference in work between the non-reversible engine and the reversible engine is equal to TcΔStot.

Any help is welcome and greatly appreciated. Thanks!

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