試題詳解

15. Based on the phase diagram shown below, which of the following statements are correct?
I. Sublimation occurs at a point in the transformation that falls along a straight line from point A to point F.
II. C and E represent points where the gas and liquid phases are in equilibrium.

 III. ΔH_vap can be measured at point B.

IV. Molecules at point D have a greater average kinetic energy than those at point F.

V. The temperature at point E is called the critical temperature of the compound.

(A) II, V
(B) I, III, IV
(C) I, II, III
(D) II, IV, V
(E) I, II, IV