29 terms

Chemistry Chapter 15, 16, and 19

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acidic solution
contains more hydrogen ions than hydroxide ions
basic solution
contains more hydroxide ions than hydrogen ions
neutral solution
neither acidic nor basic
electrolytes
a substance whose aqueous solution conducts electricity
ions
charged particles
Arrhenius definition of acid
a substance that produces hydrogen ions in water
Arrhenius definition of base
a substance that produces hydroxide ions in water
Bronsted-Lowry definition of acid
a hydrogen ion donor
Bronsted-Lowry definition of base
a hydrogen ion acceptor
amphoteric
a substance that can act as either an acid or a base
anhydrous
without water
anhydride
acids or bases that have had water removed
acidic anhydride
any oxide that will produce an acid when dissolved in water
binary acids
those containing only two elements
ternary acids
contain three elements
strong acid
one that ionizes completely to hydrogen ions
weak acid
one that does not completely ionize
strong base
one that ionizes completely to hydroxide ions
weak base
one that does not completely ionize
pH
the negative logarithm of the hydrogen ion concentration of a solution
pH meter
electronic device that measures pH when its electrodes are immersed in the solution
indicators
weak organic bases and acids that change colors in the presence of acids or bases
buffer system
a solution that can absorb moderate amounts of acid or base without a significant change in its pH
neutralization reaction
a reaction in which an acid and a base react in aqueous solution to produce a salt and water
salt
an ionic compound made up of a cation from a base and an anion from an acid
hydrolysis
the reaction of a salt with water to form an acidic or basic solution
titration
an analytical method in which a standard solution is used to determine the concentration of another solution
standard solution
one for which the concentration is known
endpoint
when the amount of standard solution added just completely reacts with the titrated solution