After this lesson, you should be able to:

• State Le Chatelier’s principle
• Use Le Chatelier’s principle to explain  the effect of change in pressure, temperature and concentration on the amounts and concentrations of substances
• Describe the role and use of a catalyst in an equilibrium mixture
• Interpret simple equilibrium graphs
• Apply the rate and equilibrium principles to important industrial applications:

• The Haber process for manufacturing ammonia
• The contact process for manufacturing sulfuric acid
• The Ostwald process for manufacturing nitric acid