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40 Cards in this Set
- Front
- Back
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analytical chemistry
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concerned primarily with the composition of substances
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biochemistry
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the study of the chemistry of living organisms
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change
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alteration in matter
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chemical change
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alteration in a material without changing composition
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chemical property
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description of the ability of a substance to undergo a chemical change (reaction) and form a new substance.
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chemistry
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the science that studies the structure, composition, and properties of matter and the changes that matter undergoes
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compound
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Substance that can be separated into simpler substances only by chemical reactions
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data
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observations recorded from an experiment
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element
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simplest form of a material that can exist under normal laboratory conditions
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experiment
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-a means of testing a hypothesis
-a carefully controlled set of observations of a behavior in nature |
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fluid
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any substance that takes the shape of its container
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gas
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the gasiest phase of a substance that is normally a gas.
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heterogeneous material
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-a multi-phased material
-a material that is not uniform in composition and properties. |
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homogeneous material
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-a single-phased material
-a material with uniform composition and properties |
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hypothesis
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-a proposed reason for what is observed
-possible explanation for a behavior in nature |
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inertia
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resistance of a substance to any change in its state of motion
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inorganic chemistry
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concerns substances without carbon
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law
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concise statement that summarizes the results of a broad spectrum of observations and experiments
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mass
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the amount of matter a substance contains
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material
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a type of matter (not necessarily pure)
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matter
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anything that has the properties of mass, volume, and inertia.
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mixture
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-a physical blend of something
-a heterogeneous material |
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observation
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noting and recording facts about a naural phenomenon using our senses (without tools and measuring devices)
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organic chemistry
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the study of essentially all substances containing carbon
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phase
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any part of a system with uniform composition and properties
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physical change
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-alteration in a material without changing composition
-alteration in size, shape, or state of a material (not composition) |
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physical property
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a description of a substance observed or measured without changing the composition of the substance
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product
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new substance formed in a chemical reaction
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property
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a description of a substance
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qualitative observation
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a word description
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quantitative observation
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mathematical description
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reacant
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the starting substances in a chemical reaction
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science
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discovery and organization of facts (true statements) about nature
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scientific method
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-an approach to the solution of scientific problems
-a series of steps used to discover facts about nature |
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solution
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-a solute dissolved in a solvent
-a homogeneous miixture |
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substance
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a material that has uniform and definite composition
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technology
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the practical application of scientific facts to our daily lives
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theory
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-a thoroughly tested explanation of why experiments give certain results
-a probable explanation of a behavior in nature |
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vapor
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the gasiest phase of a substance that is normally a solid or liquid
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volume
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amount of space a substance occupies
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