Task 20837.
In a horizontal cylindrical vessel, closed by a piston, there is a monatomic ideal gas. The initial gas pressure p1 = 4.105 Pa. The distance from the bottom of the vessel to the piston is L = 30 cm. The cross sectional area of the piston is S = 25 cm ^ 2. As a result of the slow heating of the gas, the piston moved by a distance x = 10 cm. When the piston moved on it from the side of the vessel walls, a friction force acted Ft = 3 kN. How much heat is produced in this process. Consider that the vessel is in a vacuum.
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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