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AQA Module 4 Acids
A set of revision cards for Module 4
12
Chemistry
Not Applicable
10/21/2010
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Term
pH
 Definition
minus log to the base 10 the concentration of hydrogen ions
Term
Ka
 Definition
The acid dissociation constant
Term
buffer
 Definition
A solution which resists change in pH on addition of small amounts of acid or alkali.
Term
end point
 Definition
The point at which an indicator changes colour during a titration.
Term
strong acid
 Definition
An acid such as hydrochloric which is fully dissociated in solution.
Term
weak acid
 Definition
An acid such as ethanoic which is very partially dissociated in solution.
Term
A Bronsted Lowry acid
 Definition
A proton donor
Term
A Bronsted Lowry Base
 Definition
A proton acceptor
Term
Half Eqivalence Point
 Definition
The point in a titration where pKa = pH
Term
The ionic product of water
 Definition
Kw = [H+][OH-]
Term
Kc
 Definition
The equilibrium constant
Term
Equivalence point
 Definition
When [OH-] = [H+] in a titration
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