SCH 4U - Acid Base Equilibria
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These flashcards cover key concepts of Acid Base Equilibria, focusing on definitions and explanations necessary for understanding the topic.
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14 Terms
Arrhenius Acid
A molecule that donates a proton (hydrogen ion).
Arrhenius Base
A molecule that donates a hydroxide ion.
Bronsted-Lowry Acid
A molecule that is a proton donor.
Bronsted-Lowry Base
A molecule that is a proton acceptor.
Strong Acid
Molecules that dissociate almost 100% in a solution.
Weak Acid
Molecules that do not dissociate 100%.
Equilibrium Constant (Ka/Kb)
The constant used to express the degree of ionization of weak acids and bases.
Polyprotic Acids
Acids that can lose more than one hydrogen ion.
Amphiprotic Molecules
Molecules that can act as either an acid or a base.
Equilibrium Constant Law Expression
An expression that relates the concentrations of the products and reactants at equilibrium.
Kw
The equilibrium constant for the self-ionization of water.
Self-ionization of Water
The process where water molecules ionize to produce H3O+ and OH-.
pH
A scale that measures the concentration of hydrogen ions ([H+]) in a solution.
pOH
A scale that measures the concentration of hydroxide ions ([OH-]) in a solution.
Note 
Flashcards (92)