93. Nitrogen mass m = 100 g (molar mass M = 28 ∙

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93. Nitrogen mass m = 100 g (molar mass M = 28 ∙ 10-3 kg / mol) is at a temperature T1 = 300 K. As a result, isochoric cooling its pressure reduced in n = 3 times, and then the resulting isobaric expansion temperature gas in the final state was found to be the original. Determine: 1) job A, a perfect gas; 2) the change in internal energy ΔU gas.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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