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23 Cards in this Set
- Front
- Back
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solid |
definite shape and volume |
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liquid |
definite volume not shape |
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gas |
no definite shape or volume |
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viscosity |
the state of being thick, sticky, and semifluid in consistency, due to internal friction.
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surface tension |
the tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid, which tends to minimize surface area.
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physical property |
can be observed without changing the chemical make up |
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chemical property |
trait relating to a change in the makeup of the substance |
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phase change |
the amount of energy required to change from one phase to another |
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physical change |
a change that alters the form or appearence of a material but does not make the material into another substance |
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chemical change |
a change in matter that produces a new substance |
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precipitate |
cause a substance to be deposited in solid form from a solution.
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atom |
the basic unit of a chemical element.
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element |
a part or aspect of something abstract, especially one that is essential or characteristic.
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compound |
a thing that is composed of two or more separate elements; a mixture.
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mixture |
a substance made by mixing other substances together.
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melting |
dissolve in liquid.
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evaporation |
is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure.
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freezing |
to be turned into ice or another solid as a result of extreme cold.
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boiling |
the action of bringing a liquid to the temperature at which it bubbles and turns to vapor.
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condensation |
the conversion of a vapor or gas to a liquid.
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sublimation |
is a chemical process where a solid turns into a gas without going through a liquid stage.
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endothermic reaction |
The term endothermic process describes a process or reaction in which the system absorbs energy from its surroundings; usually, but not always, in the form of heat.
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exothermic reaction |
is a chemical reaction that releases energy by light or heat
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