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40 Cards in this Set

  • Front
  • Back
analytical chemistry
concerned primarily with the composition of substances
biochemistry
the study of the chemistry of living organisms
change
alteration in matter
chemical change
alteration in a material without changing composition
chemical property
description of the ability of a substance to undergo a chemical change (reaction) and form a new substance.
chemistry
the science that studies the structure, composition, and properties of matter and the changes that matter undergoes
compound
Substance that can be separated into simpler substances only by chemical reactions
data
observations recorded from an experiment
element
simplest form of a material that can exist under normal laboratory conditions
experiment
-a means of testing a hypothesis

-a carefully controlled set of observations of a behavior in nature
fluid
any substance that takes the shape of its container
gas
the gasiest phase of a substance that is normally a gas.
heterogeneous material
-a multi-phased material

-a material that is not uniform in composition and properties.
homogeneous material
-a single-phased material

-a material with uniform composition and properties
hypothesis
-a proposed reason for what is observed

-possible explanation for a behavior in nature
inertia
resistance of a substance to any change in its state of motion
inorganic chemistry
concerns substances without carbon
law
concise statement that summarizes the results of a broad spectrum of observations and experiments
mass
the amount of matter a substance contains
material
a type of matter (not necessarily pure)
matter
anything that has the properties of mass, volume, and inertia.
mixture
-a physical blend of something

-a heterogeneous material
observation
noting and recording facts about a naural phenomenon using our senses (without tools and measuring devices)
organic chemistry
the study of essentially all substances containing carbon
phase
any part of a system with uniform composition and properties
physical change
-alteration in a material without changing composition

-alteration in size, shape, or state of a material (not composition)
physical property
a description of a substance observed or measured without changing the composition of the substance
product
new substance formed in a chemical reaction
property
a description of a substance
qualitative observation
a word description
quantitative observation
mathematical description
reacant
the starting substances in a chemical reaction
science
discovery and organization of facts (true statements) about nature
scientific method
-an approach to the solution of scientific problems

-a series of steps used to discover facts about nature
solution
-a solute dissolved in a solvent

-a homogeneous miixture
substance
a material that has uniform and definite composition
technology
the practical application of scientific facts to our daily lives
theory
-a thoroughly tested explanation of why experiments give certain results

-a probable explanation of a behavior in nature
vapor
the gasiest phase of a substance that is normally a solid or liquid
volume
amount of space a substance occupies