Reversibility & Equilibrium (AQA GCSE Chemistry): Flashcards
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What is equilibrium?
What is equilibrium?
State where forward rate = backward rate in reversible reaction
Net change in concentrations at equilibrium
Net change in concentrations at equilibrium
No net change
Direction of irreversible reactions
Direction of irreversible reactions
Forward direction only
Directions of reversible reactions
Directions of reversible reactions
Both forward and backward
Equilibrium established when
Equilibrium established when
Rates of forward and backward reactions are equal
Container requirement for equilibrium
Container requirement for equilibrium
Sealed - no reactants/products can escape
State of concentrations at equilibrium
State of concentrations at equilibrium
Remain constant
Are concentrations equal at equilibrium?
Are concentrations equal at equilibrium?
Not necessarily equal
Position of equilibrium indicated by
Position of equilibrium indicated by
Relative amounts of reactants and products
Position of equilibrium and changing conditions
Position of equilibrium and changing conditions
Position can shift when conditions change
Effect of equilibrium position shift
Effect of equilibrium position shift
Alters concentrations of reactants or products