Dynamic equilibrium (Edexcel GCSE Chemistry): Flashcards

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10.4.2 Dynamic Equilibrium
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Dynamic equilibrium: reaction rates

Forward and reverse reactions occur at same rate

Dynamic equilibrium: concentrations

Concentrations of reactants and products remain constant

Principle governing ammonia production in Haber Process

Dynamic equilibrium

Haber Process equilibrium equation

N2+3H22NH3N_2 + 3H_2 \rightleftharpoons 2NH_3

Nature of forward reaction in Haber Process

Exothermic (releases heat)

Moles of gas on product side (Haber Process)

2 moles

Moles of gas on reactant side (Haber Process)

4 moles

Le Chatelier's Principle

Equilibrium adjusts to oppose changes in conditions

Purpose of Le Chatelier's Principle in Haber Process

To optimise ammonia production

Conditions manipulated to optimise Haber Process

Temperature and pressure

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