Chapter 12 The Solid State - 12-7 Phase Diagrams - Review & Check for Section 12-7 - Page 465: 1

D

A: True, that point is in the gas-liquid equilibrium curve. B: True, below that point, only the solid and gaseous state can exist C: True, the solid-liquid equilibrium curve trends towards higher pressure and higher temperature points. D: False, supercritical $CO_2$ only exists above $31^{\circ}C$.