Задача 20387.

A certain amount of helium expands, first adiabatically, and then - isobaric. The final temperature of the gas is equal to the initial one. When adiabatic expansion of the gas makes the work of 4.5 kJ. What is the work of the gas for the entire process?

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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