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Solving a problem in physics section 30 point 91 molecu

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91. Nitrogen (N2) is a mass of 14 g at 27 ° C. As a result of the expansion of isobaric gas volume increased by 2 times. Determine: 1) the change in internal energy ΔU gas; 2) A work of expansion of gas; 3) the amount of heat Q, reported nitrogen. The specific heat of nitrogen equal to 1,05 ∙ 103 J / (kg ∙ K).
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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