Changes to Equilibrium and Le Chatelier's Principle (HSC SSCE Chemistry): Flashcards
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Le Chatelier's principle
Le Chatelier's principle
System counteracts imposed change partially
Equilibrium shifts right means
Equilibrium shifts right means
Forward reaction favoured; more products form
Effect of increasing reactant conc.
Effect of increasing reactant conc.
Forward reaction favoured; equilibrium shifts right
Effect of increasing volume (gases)
Effect of increasing volume (gases)
Favours reaction producing more gas molecules
Increasing temp. favours which rxn
Increasing temp. favours which rxn
Endothermic reaction
Decreasing temp. favours which rxn
Decreasing temp. favours which rxn
Exothermic reaction
Catalyst effect on equilibrium
Catalyst effect on equilibrium
No effect on position; speeds up rate only
Partial pressure & conc. (gases)
Partial pressure & conc. (gases)
Directly related
Temperature change graph feature
Temperature change graph feature
No sudden changes; gradual concentration shifts
Reaction with lower activation energy
Reaction with lower activation energy
Exothermic