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13 Cards in this Set

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When inorganic acids, bases or salts dissolve in water, they dissociate. What does this mean?
dissociate - they separate into ions and become surrounded by water molecules
acid
a substance that dissociates into one or more hydrogen ions (H+) and one or more anions (negatively charged ion)
What is another name for an acid?
proton donor because H+ is a single proton with one positive charge
base
removes H+ from a solution and is a proton acceptor
salt
when dissolved in water, dissociates into cations and anions, neither of which is H+ or OH+
True or False.
Acids and bases react with one another to form salts.
True. EX: HCl + KOH -> H+ + Cl- + K+ + OH- -> KCl + H2O
Acid + Base -> Dissociated ions -> salt and water
What is the pH scale?
a way to express a solution's acidity or alkalinity; scale extends from 0 to 14
pH 0 is _______________; pH 7 is _______________; pH 14 is _______________.
pH 0 = acidic
pH 7 = neutral
pH 14 = basic (alkaline)
What does a pH scale of 7 mean?
midpint of pH scale where the concentration of H+ and OH- are equal
Homeostatic mechanisms maintain the pH of blood between __________ and __________.
7.35 and 7.45
buffer system
function to convert strong acids or bases into weak acids or bases.
buffers
the chemical compounds that can convert strong acids or bases into weak ones
carbonic acid-bicarbonate buffer system
can compensate for either an excess or a shortage of H+