Le Châtelier’s principle — effect?
System shifts to counteract disturbances to restore equilibrium.
Chemical equilibrium — definition?
State where reactant and product concentrations remain constant.
Kc — role?
Expresses the ratio of concentrations at equilibrium.
Chemical equilibrium — definition?
State with constant concentrations over time.
Reversible reactions — difference?
Proceed in both forward and reverse directions.
Equilibrium constant (Kc) — role?
Shows ratio of products to reactants at equilibrium.
Kc > 1 — implication?
Favors products at equilibrium.
Le Châtelier’s Principle — purpose?
Predicts system shift after disturbance.
Factors affecting equilibrium — includes?
Concentration, temperature, pressure, catalysts.
Reaction quotient (Q) — comparison?
Q indicates reaction direction relative to Kc.
Answer 10 questions on Understanding Chemical Equilibrium.
1. What does the equilibrium constant (Kc) indicate about a chemical reaction?
2. According to Le Châtelier’s principle, what happens when the temperature of an exothermic reaction is increased?
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