The ideal Carnot heat engine in one cycle received from

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Uploaded: 04.06.2016
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The ideal Carnot heat engine in one cycle received from the heater 8 * 10 ^ 4 J. What is the useful work done by the machine, if the refrigerator temperature is 20 ° C and heating to 300 ° C? What is the efficiency of the machine? How many times changes the pressure in an isothermal expansion of the gas, if the amount of the substance is 10 mole?

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Task 20658. Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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