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States of Matter

QuestionAnswer
What are the three states of matter Solids, Liquids and Gases
Changing of a solid to a liquid. Melting
Changing of a liquid to a gas. Evaporation
Changing of a gas to liquid. Condensation
Changing of a liquid to a solid. Freezing
Changing of a solid directly to a gas. Sublimation
Changing of a gas directly to a solid. Deposition
Diagrams that show how solids, liquids and gases are held together. Particle Theory
The movement of a gas to fill an entire area is called: Diffusion.
Two substances that undergo sublimation Iodine and Carbon Dioxide
Commercial name for solid carbon dioxide Dry Ice
Temperature of solid carbon dioxide -78C
Liquid used to dissolve iodine Alcohol
Color of dissolved iodine and gaseous iodine Dissolved = Brown. Gaseous = Purple
Properties of a solid Regular shape. Definite volume. Cannot be poured.
Properties of liquids No regular shape. Definite volume. Can be poured.
Properties of gases No regular shape. No regular volume, can be compressed. Undergoes diffusion when released.
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