Reversibility & Equilibrium (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Flashcards
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What is equilibrium in a reversible reaction?
What is equilibrium in a reversible reaction?
When forward rate equals backward rate
What happens to concentrations at equilibrium?
What happens to concentrations at equilibrium?
No net change in concentrations
Direction of irreversible reactions
Direction of irreversible reactions
Forward direction only
Directions of reversible reactions
Directions of reversible reactions
Both forward and backward
Container type needed for equilibrium
Container type needed for equilibrium
Sealed container
Concentrations at equilibrium
Concentrations at equilibrium
Remain constant (reactants & products)
Are concentrations equal at equilibrium?
Are concentrations equal at equilibrium?
Not necessarily equal
What indicates position of equilibrium?
What indicates position of equilibrium?
Relative amounts of reactants & products
Can position of equilibrium change?
Can position of equilibrium change?
Yes, shifts in response to condition changes
Effect of equilibrium position shift
Effect of equilibrium position shift
Alters concentrations of reactants or products
Forward direction in reversible reactions
Forward direction in reversible reactions
Reactants to products
Backward direction in reversible reactions
Backward direction in reversible reactions
Products to reactants