Kc = 1 means the position of the equilibrium is halfway between the reactants and the products
Kc > 1 means the reaction is product-favoured
Kc < 1 means the reaction is reactant-favoured
Exothermic Reactions (ΔH -ve) As temperature increases, Kc decreases
Equilibrium yield of products on the right decreases, equilibrium yield of reactants on the left increases
The equilibrium shifts to the LEFT
Endothermic Reactions (ΔH +ve) As temperature increases, Kc increases
Equilibrium yield of products on the right increases, equilibrium yield of reactants on the left decreases
The equilibrium shifts to the RIGHT
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