Задача 20311.

The mass of nitrogen at normal pressure has a volume of 10 liters. What is the change in the internal energy of nitrogen when it expands to a volume of 12 liters: 1) with a smooth change in pressure; 2) adiabatic.

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