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A 53.26g sample of gas, (Cgas = 0.80 J is cooled from 37.9C to 24.0C. 90 While being heated the gas expands from 1.50 L

A 53.26g sample of gas, (Cgas = 0.80 J is cooled from 37.9C to 24.0C. 90 While being heated the gas expands from 1.50 L to 8.64 L at an external pressure of 0.85 atm. What is the change in internal energy for the gas (in kJ)? Please express your answer to the second decimal place

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