The Diagram Shows Three Isotherms for an Ideal Gas, with T₃-T₂

Multiple Choice

The diagram shows three isotherms for an ideal gas, with T₃-T₂ the same as T₂-T₁. It also shows five thermodynamic processes carried out on the gas. Rank the processes in order of the change in the internal energy of the gas, least to greatest.

A) I, II, III, IV, V
B) V; then I, III and IV tied; then II
C) V; I; then III, and IV tied; then II
D) II; then I, III and IV tied; then V
E) II; I; then III, IV, and V tied