Oxygen at a constant pressure of p = 80 kPa is heated. Its volume increases from V1 = 1 m ^ 3 and V2 = 3 m ^ 3. Determine the change in internal energy of the oxygen job A, while committing an extension, as well as heat Q, reported by the gas.

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