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Ch. 8 - Solids, Liquids, & Gases

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Presentation on theme: "Ch. 8 - Solids, Liquids, & Gases"— Presentation transcript:

1 Ch. 8 - Solids, Liquids, & Gases
MATTER Ch. 8 - Solids, Liquids, & Gases II. Changes in State (p ) Phase Changes Heating Curves

2 melting point = freezing point
A. Phase Changes Melting solid to liquid Freezing liquid to solid melting point = freezing point

3 A. Phase Changes Vaporization (boiling)
liquid to gas at the boiling point Evaporation liquid to gas below the boiling point Condensation gas to liquid

4 A. Phase Changes Sublimation solid to gas
EX: dry ice, freeze drying, iodine

5 A. Phase Changes

6 B. Heating Curves Kinetic Energy motion of particles
related to temperature Potential Energy space between particles related to phase changes

7 B. Heating Curves Gas - KE  Boiling - PE  Liquid - KE 
Melting - PE  Solid - KE 

8 B. Heating Curves Heat of Fusion
energy required to change from solid to liquid some attractive forces are broken

9 B. Heating Curves Heat of Vaporization
energy required to change from liquid to gas all attractive forces are broken EX: steam burns, sweating, and… the drinking bird HEATING CURVE


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