Essential Chemistry for IGCSE - Chemical Reactions (Section 2 - No. 42)
In the reaction 2CO(g) + O2(g) ⇌ 2CO2(g), if the concentration of CO2 is increased, what happens to the equilibrium?
Equilibrium shifts to the left.
Equilibrium shifts to the right.
Equilibrium is unchanged.
The reaction stops.
Explanation
Increasing a product's concentration shifts the equilibrium toward the reactants to counteract the change.
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