Reactions of Acids (AQA GCSE Chemistry Combined Science): Flashcards
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Ions released by acids in water
Ions released by acids in water
Hydrogen ions () and anions
Factor determining strong vs weak acid
Factor determining strong vs weak acid
Extent of dissociation in water
Definition of dissociation
Definition of dissociation
Acid molecules split into ions and anions
How strong acids dissociate
How strong acids dissociate
Completely dissociate in water
pH level of strong acids
pH level of strong acids
Low pH due to high concentration
Three examples of strong acids
Three examples of strong acids
, ,
How weak acids dissociate
How weak acids dissociate
Only partially dissociate in water
Nature of weak acid dissociation
Nature of weak acid dissociation
Reversible with equilibrium established
Position of equilibrium in weak acids
Position of equilibrium in weak acids
Far to left (mostly undissociated)
Example of a weak acid
Example of a weak acid
Ethanoic acid ()
Effect of increasing on pH
Effect of increasing on pH
As increases, pH decreases
pH change for 10x increase in
pH change for 10x increase in
Decreases by 1 unit
change when pH rises from 1 to 3
change when pH rises from 1 to 3
Decreases by factor of 100
What acid strength depends on
What acid strength depends on
Ability to dissociate in water
What acid concentration refers to
What acid concentration refers to
Amount of acid dissolved in solution