State a gaseous reaction occurs at a constant pressure

Reference no: EM13180643

A gaseous reaction occurs at a constant pressure of 50.0atm atm and releases 74.8kJ kJ of heat. Before the reaction, the volume of the system was 7.80L L . After the reaction, the volume of the system was 3.00L L . Calculate the total internal energy change, ?U Delta U, in kilojoules.

Reference no: EM13180643

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