8. Thermochemistry
Internal Energy
Multiple Choice
Multiple ChoiceAn unknown gas expands in a container increasing the volume from 4.3 L to 8.2 L at a constant pressure of 931 mmHg. Calculate the internal energy of the system if the system absorbs 2.3 kJ of energy.
A
2.3 kJ
B
1.8 kJ
C
1.2 kJ
D
2.8 kJ
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