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(a) A Carnot engine operates between a hot reservoir at 322 K and a cold reservoir at 258 K. if it absorbs 568 J of heat per cycle at the hot reservoir, how much work per cycle does it deliver? (b) if the same engine, working in reverse, functions as a refrigerator between the same two reservoirs, how much work per cycle must be supplied to transfer 1230 J of heat from the cold reservoir?
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