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Into to Science: Chapter 6
Sections 6.1, 6.2, and 6.3 vocab
18
Science
9th Grade
01/19/2008

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Term

suspension

Definition
a mixture that looks uniform when stirred or shaken that separates into different layers when it's not longer agitated
Term
colloid
Definition
a mixture of very tiny particles of pure substances that are dispersed in another substance but don't settle out of the substance
Term
emulsion
Definition
any mixture of immiscible liquids in which the liquids are spread throughout one another
Term
solution
Definition
a homogeneous mixture of 2 or more substances uniformly spread throughout a single phase
Term
solute
Definition
the substance that dissolves in a solution
Term
solvent
Definition
the substance that dissolves the solute to make a solution
Term
concentration
Definition
the quantity of solute dissolved in a given quantity of solution
Term
unsaturated solution
Definition
a solution that's able to dissolve more solute
Term
saturated solution
Definition
a solution that can't dissolve any more solute at the given conditions
Term
solubility
Definition
the greatest quantity of a solute that will dissolve in a given quantity of solvent to produce a saturated solution
Term
supersaturated solution
Definition
a solution holding more dissolved solute than is specified by its solubility at a given temperature
Term
molarity
Definition
a concentration unit of a msolution that expresses moles of solute dissolved per liter of solution
Term
acid
Definition
a substance that donates hydrogen ions to form hydronium ions when dissolved in water
Term

indicater

Definition
a compound that can reversibly change color in a solution, depending on the concentration of hydrogen ions
Term
base
Definition
a substance that either contains hydroxide ions or reacts with water to form hydroxide ions
Term
pH
Definition

a measure of the hydronium ion concentration in a solution

Term
neutralization reaction
Definition
a reaction in which hydronium ions from an acid and hydroxide ions from a base react to produce water molecules
Term
salt
Definition
an ionic compound compsed of cations bonded to anions, other than oxide of hydroxide anions
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