Task 00148.

14 g of nitrogen expands adiabatically, and the pressure drops from P1 = 2 x 10^5 Pa to P2 = 1 x 10^5 Pa. Then the gas is heated at constant volume to the initial temperature T1 = 420 K. Plot the process in P–V coordinates. Determine the increment of internal energy and work for the whole process.
Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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