If N Moles of an Ideal Gas Are Compressed Isothermally $n C _ { v } \int d T / T$

Multiple Choice

If n moles of an ideal gas are compressed isothermally from an initial volume V₁ to a final volume V₂,the change in entropy is

A) nR ln (V₂/V₁)
B) nRT ln (V₂/V₁)
C) nk_B ln (V₂/V₁)
D) $n C _ { v } \int d T / T$
E) n C_v/T