Задача 20815.

With an ideal monatomic gas, the process is performed at a constant volume so that its temperature decreases by n = 2.5 times. The initial gas pressure is P0 = 105 Pa, the volume V = 10 liters. Determine the change in the internal energy of the gas.

A detailed solution with a brief statement of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
If you have any questions about the solution, please write. I try to help.