Change of state Chapter 2.

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Presentation transcript:

Change of state Chapter 2

Changes between solid and liquid Melting Solid to a liquid Requires an input of energy At the melting point, solid particles get enough energy to break free from one another.

Changes between solid and liquid Freezing Liquid to solid Requires a loss of energy At the freezing point, the liquid particles slow down and start to form tight arrangements.

Changes between liquid and gas Vaporization Liquid to a gas Requires an input of energy

Changes between liquid and gas Vaporization Two types: Evaporation = vaporization on the surface only Boiling = Vaporization throughout the entire liquid At the boiling point, liquid particles get enough energy to escape as a gas.

Changes between liquid and gas Condensation Gas to a liquid Requires a loss of energy The gas particles slow down and start getting closer together.

Changes between solid and gas Sublimation Solid directly to a gas Requires an input of energy

Changes between solid and gas Deposition Gas directly to a solid Requires an loss of energy

Phase Change Review A D B E C F

Phase Change Review

Time vs. Temperature Graph Condensing Vaporization Freezing Melting

Time vs Energy Graph

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