Question

Ice floats on water. For most other substances, however, the solid sinks in the liquid. Classify each of these statements as true for water, or true for most other substances.

A) In a phase diagram the solid-liquid coexistence line has a negative slope.
B) In a phase diagram the solid-liquid coexistence line has a positive slope.
C) The solid is denser than the liquid.
D) The solid is less dense than the liquid.
E) The molecules are closest to the solid phase.
F) The molecules are closest to the liquid phase.
G) High pressure will cause the solid to become liquid.
H) High pressure will cause the solid to become liquid.