An ideal heat engine working on the Carnot cycle. Teplootdatchika temperature is 500 K, the temperature of the heat to 250 K. Determine the thermal efficiency of the cycle, as well as the work of the working substance in the isothermal expansion, if the isothermal compression accomplished work 70 J.
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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