BRAINCAKEEffects of Pressure on the position of Equilibrium
Pressure only affects equilibria that involve gases. By Le Chatelier's principle, if the pressure is increased the position of equilibrium shifts towards the side with fewer moles of gas, to reduce the pressure.
If the pressure is decreased, the position of equilibrium shifts towards the side with more moles of gas, to increase the pressure.
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Key terms in this lesson
- Mole
- The amount of substance that contains as many particles as there are atoms in exactly 12g of carbon-12.
More in Equilibrium
- Dynamic Equilibrium
- Le Chatelier's Principle
- Effect of Changing the Concentration on the Position of Equilibrium
- Effects of Temperature on the Position of Equilibrium
- Effects of Catalysts on the Position of Equilibrium
- The Haber Process
- The Equilibrium Law
- Calculating the Equilibrium Constant
All 10 lessons in Equilibrium · All OCR AS-level Chemistry topics