Pentane, C₅H₁₂, Boils at 35°C

Multiple Choice

Pentane, C₅H₁₂, boils at 35°C. Which of the following is true about kinetic energy, E_k, and potential energy, E_p, when liquid pentane at 35°C is compared with pentane vapor at 35°C?

A) E _k( g) < E _k( l) ; E _p( g) ≈ E _p( l)
B) E _k( g) > E _k( l) ; E _p( g) ≈ E _p( l)
C) E _p( g) < E _p( l) ; E _k( g) ≈ E _k( l)
D) E _p( g) > E _p( l) ; E _k( g) ≈ E _k( l)
E) E _p( g) ≈ E _p( l) ; E _k( g) ≈ E _k( l)