The Figure Shows a PV Diagram for 0

Multiple Choice

The figure shows a pV diagram for 0.98 mol of ideal gas that undergoes the process 1 → 2. The gas then undergoes an isochoric heating from point 2 until the pressure is restored to the value it had at point 1. What is the final temperature of the gas? (R = 8.31 J/mol ∙ K) .

A) -160°C
B) 12°C
C) 380°C
D) 110°C