Which of the following statements is TRUE about phase
diagrams?
A) In a phase diagram, moving from the solid phase to liquid
phase at constant pressure will cross the vaporization curve.
B) The temperature at which the gas and liquid phases form a
supercritical fluid is known as the definite temperature.
C) In a phase diagram, moving from a gas to a solid generally
requires an increase in heat and reduction in pressure.
D) The triple point for a substance is the point at which the
three states of matter are equally stable and in equilibrium.
E) All of the above are true.