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28 Cards in this Set
- Front
- Back
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volume
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a measure of the space occupied by the object
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mass
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a measure of amount of matter an object contains
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extensive property
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a property that depends on amount of matter in sample
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intensive property
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a property that depends on type of matter in a sample, not the amount in a sample
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substance
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matter that has a uniform and definite composition
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physical property
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a quality or condition of a substance that can be observed or measured without changing the substance's composition
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solid
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a form of matter that has a definite shape and volume.
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liquid
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a form of matter that has an indefinite shape, flows, yet has a fixed volume
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gas
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a form of matter that takes both the shape and volume of its container
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vapor
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describes the gaseous state of a substance that is generally a liquid or solid at room temperature, as in water vapor
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physical change
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some properties of a material change, but the composition of the material does not change
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mixture
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a physical blend of two or more components
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heterogeneous mixtures
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a mixture in which the composition is not uniform throughout
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homogeneous mixture
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a mixture in which the composition is uniform throughout
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solution
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homogeneous mixture
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phase
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describe any part of a sample with uniform composition and properties
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filtration
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the process that separates a solid from the liquid in a heterogeneous mixture
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distillation
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a liquid is boiled to produce a vapor that is then condensed into a liquid
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element
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simplest form of matter that has unique set of properties
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compound
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substance that contains two or more elements chemically combined in a fixed proportion
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chemical change
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a change that produces matter with a different composition than the e original matter
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chemical symbol
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each element is represented by 1 or 2 letter. 1st is capitalized 2nd lowercase
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chemical property
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ability of a substance to undergo a specific chemical change
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chemical reaction
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1 or more substances change into 1 or more new substances
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reactant
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a substance present at the start of the reaction
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product
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substance produced in the reaction
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precipiate
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a solid that forms and settles our of a liquid mixture
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law of conservation of mass
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States that in any physical change or chemical reaction, mass is conserved
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