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Chapter 9
Vocabulary
22
Chemistry
Undergraduate 1
07/19/2006

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Term
Arrhenius acid
Definition
any substance that provides H+ ions when dissolved in water
Term
Arrhenius base
Definition
any substance that provides OH- ions when dissolved in water.
Term
Bronsted Acid
Definition
any hydrogen-containing substance that is capable of donating a proton (H+) to another substance
Term
Bronsted Base
Definition
Any substance capable of accepting a proton from another substance
Term
conjugate base
Definition
the species remaining when a bronsted acid donates a proton
Term
Conjugate acid-base pair
Definition
a bronsted acid and its conjugate base.
Term
Neutral
Definition
a term used to describe any water solution in which the concentrations of H3O+ and OH- are equal. Also water with a pH of 7.
Term
Ion product of water
Definition
the equilibrium constant for the dissociation of pure water into H3O+ and OH-
Term
Acidic solution
Definition
a solution in which the concetration of H3O+ is greater than the concentration of OH-. Also any solution with a pH of less than 7.
Term
basic or alkaline solution
Definition
A solution in which the concentration of OH- is greater than the concentration of H3O+. Also a solution with a pH greater than 7.
Term
pH
Definition
the negative logarithm of the molar concentration of H+ (H3O+) in a solution
Term
Acivity series
Definition
a tabular representation of the tendencies of metals to react with H+.
Term
Neutralization Reaction
Definition
a reaction in which an acid and base react completely, leaving a solution that contains only a salt and water.
Term
Hydrate
Definition
a salt that contains specific numbers of water molecules as part of the solid crystalline structure
Term
water of hydration
Definition
water retained as part of the solid crystalline structure of some salts
Term
Equivalent of salt
Definition
the amount that will produce 1 mole of positive electrical charge when dissolved and dissociated.
Term
strong acids and bases
Definition
acids and bases that dissciate (ionize) essentially completely when dissolved to form solution.
Term
weak acids and bases
Definition
acids and bases that dissociate (ionize) less than completely when dissolved to form soution
Term
acid dissociation constant
Definition
(Ka) The equilibrium constant for the dissociation of an acid
Term
monoprotic acid
Definition
an acid that gives up only one proton per molecule when dissolved
Term
diprotic acid
Definition
an acid that gives up two protons per molecule when dissolved
Term
tripotic
Definition
an acid that gives up three protons per molecule when dissolved
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