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33 Cards in this Set

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acid
a substance that produces hydrogen ions (H+) in solution; proton donor
base
a substance that produces hydroxide ions (OH-) in solution; proton acceptor
Arrhenius concept of acids & bases
acids produce H+ ions in solution; bases produce OH- ions in solution
Bronsted-Lowry model
an acid is a proton donor; a base is a proton acceptor
conjugate acid
the substance formed when a proton is added to a base
conjugate base
the remaining substance when a proton is lost from an acid
conjugate acid-base pair
two substances related to each other by the donating and accepting of a single proton
hydronium ion
H20+
strong acid
an acid that completely dissociates to produce H+ ions in solution
weak acid
an acid that dissociates to a slight extent in aqueous solution
diprotic acid
an acid that can furnish two protons
oxyacid
an acid in which the acidic proton is attached to an oxygen atom
organic acid
an acid with a carbon atom backbone and a carboxyl group
amphoteric substance
a substance that can behave either as an acid or as a base
ionization of water
the transfer from one water molecule to another to produce a hydroxide ion and a hydronium ion
indicator (acid-base)
a chemical that changes color depending on the pH of a solution
indicator paper
a strip of paper coated with a combination of acid-base indicators
pH meter
a device used to measure the pH of a solution
neutralization reaction
an acid-base reaction
titration
a technique in which a solution of known concentration is used to determine the concentration of another solution
standard solution
a solution in which the concentration is accurately known
buret
a device used for the accurate measurement of the delivery of a given volume of a liquid or solution
equivalence point (stoichiometry point)
the point in a titration when enough titrant has been added to react exactly with the substance in solution that is being titrated
titration curve (pH curve)
a plot of pH of solution versus volume of titrant added to a given solution
buffered solution
a solution that resists a change in pH when either an acid or a base are added
Some properties of acids:
taste sour
corrode metals
blue to red "ACID"
Some properties of bases:
taste bitter, chalky
feel soapy, slippery
"Basic Blue"
Kw
[H+][OH-]=1.0 x 10e-14
pH
-log[H+]
[H+]
10-pH
pOH
-log[OH-]
pH/pOH
pH+pOH=14
[OH-]
10-pOH