1. Do Now
The particles of a substance are arranged in a definite geometric pattern and are constantly vibrating. This substance can be in…
1. The solid phase, only
2. The liquid phase, only
3. Either the liquid or the solid phase
4. Neither the liquid nor the solid phase

2. Physical Properties of Matter, Part 4: Phase Diagrams
Williamsburg High School of Architecture and Design
Mr. Quinn and Ms. Tom
9/13/13

3. What could possibly be left?

4. Pressure
Pressure is a force applied over an area

5. Water Phase Diagram

6. CO2 Phase Diagram

7. Practice Phase Diagram

8. Challenge Level: Man-at-Arms
Which statement describes a chemical property of silicon?
1. Silicon has a blue-gray color.
2. Silicon is a brittle solid at 20.°C.
3. Silicon melts at 1414°C.
4. Silicon reacts with fluorine.

9. Challenge Level: Squire
Which equation represents sublimation?
1. I2(s) I2(g)
2. I2(s) I2(l)
3. I2(l) I2(g)
4. I2(l)I2(s)

10. Challenge Level: Knight
What phases are present at the triple point of a substance?
1. Critical fluid
2. Liquid, gas, plasma
3. Solid, gas
4. Solid, liquid, and gas

11. Challenge Level: Lord 1. AB 2. BC 3. CD 4. DE
The graph below represents the uniform cooling of a substance, starting with the substance as a gas above its boiling point.
During which interval is the substance completely in the liquid phase?
1. AB 2. BC 3. CD 4. DE