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18 Cards in this Set
- Front
- Back
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specific heat
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the amount of heat needed to increase the temperature of a certain mass of a substance by 1 degree Celsius
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evaporation
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the process when a surface liquid changes to a gas
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condensation
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the process by which a gas such as water vapor, changes to a liquid such as water
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polar molecule
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a molecule that has electrically charged areas
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surface tension
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the tightness across the surface of water that is caused by the polar molecules pulling on each other
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capillary action
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the combined force of attraction among water molecules and with the molecules of surrounding materials
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solution
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a mixture that forms when one substance dissolves another
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solvent
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the substance that does the dissolving
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state
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the three forms (solid, liquid, and gas in which matter exists
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suspension
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a mixture in which particles can be seen and easily separated by settling or filtration
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solute
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A substance that is present in a solution in a smaller amount and dissolved by the solvent. ex: salt or sugar
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colloid
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a mixture with small undissolved particles that do not settle out
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freezing point
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the temperature at which a substance freezes, or changes from a liquid to a solid
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suspension
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a mixture in which particles can be seen and easily separated by settling or filtration
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solute
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a substance that is present in a solution in a smaller amount and is dissolved by the solvent ex: salt or sugar
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colloid
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a mixture with small undissolved particles that do not settle out
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freezing point
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the temperature at which a substance freezes, or changes from a liquid to a solid
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boiling point
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the temperature at which a substance boils, or changes from a liquid to a gas
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