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Physics, 17.07.2019 15:10 tytiuna

At constant pressure, 100j heat energy has been delivered to 8 gm of oxygen. what is the change of internal energy? how much work has been done by the gas? (moler heat capacity of oxygen at constant pressure, cp=29.1 j. mol-1.k-1. r=8.314 j. mol-1.k-1.)
can't solve that there any information missing? : / in advance.

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