Lesson on Phase Diagrams

Phase Changes & Phase Diagrams

Multiple Choice

Which of the following is not a phase change?

• Vaporization

• Sublimation

• Melting

• Effusion

Multiple Choice

The change of a substance from a solid to a gas is

called?

• Vaporization

• Sublimation

• Melting

• Effusion

Multiple Choice

Which of the following is an endothermic process?

• Condensation

• Deposition

• Melting

• Freezing

​A phase diagram is a graph of pressure versus temperature that shows in which phase a substance exists under different conditions of temperature and pressure.