An Expandable Container Holds 2

Multiple Choice

An expandable container holds 2.30 mole of helium, He, gas with an initial pressure of 770 kPa and an initial volume of 2.10 L. The gas expands isothermally to a final pressure of 350 kPa. How much heat is gained by the gas during this process? (R = 8.31 J/mol ∙ K)

A) 1280 J
B) 792 J
C) 685 J
D) 1370 J
E) 1700 J