Task 20400.
Monatomic gas occupies a volume of 4 m3 and is under pressure of 0.8 MPa. After isometric expansion of this gas a pressure of 10 5 Pa. Determine: a) the work performed by the gas during expansion; b) a quantity of heat has been absorbed by the gas in the expansion process; c) how things have changed with the internal energy of the gas.
Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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