Spec 8462
Revise AQA GCSE Chemistry 6.2.7 The effect of pressure changes on equilibrium (HT only) with the question bank, lessons, revision guides, and flashcards.
For gaseous reactions at equilibrium: • an increase in pressure causes the equilibrium position to shift towards the side with the smaller number of molecules as shown by the symbol equation for that reaction • a decrease in pressure causes the equilibrium position to shift towards the side with the larger number of molecules as shown by the symbol equation for that reaction. • Students should be able to interpret appropriate given data to predict the effect of pressure changes on given reactions at equilibrium.