A Gas Expands from an Initial Volume of 0

Multiple Choice

A gas expands from an initial volume of 0.040 m³ to a final volume of 0.085 m³ while its pressure increases linearly with the volume (so that the process follows a straight-line path in a P-V diagram) from 110 kPa to 225 kPa. How much work is done by the system?

A) 5.2 kJ
B) 7.5 kJ
C) 7.8 kJ
D) 11 kJ
E) 12 kJ