Задача id10438

Two moles of gas are heated isobarically from 400 K to 800 K, then isochorically cooled to 500 K. Next, the gas is cooled isobarically so that its volume decreases to its original volume. Finally, the gas is heated isochorically to 400 K. Find the work done by the gas in this cycle. The universal gas constant is 8300 J/(kmol*K).

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