Trilogy – Chemistry – CHAPTER 6 – The rate & extent of chemical change H Draw a diagram to show how the rate of reaction changes with INCREASING concentration. Draw a diagram to show how the rate of reaction changes with INCREASING temperature. Draw a diagram to show how the rate of reaction changes with INCREASING surface area. Draw a fully labelled energy level diagram to show how a catalyst lowers the activation energy. State Le Chatelier’s principle and give an example of how this is used in industry. Include chemical equations. KEY WORDS: collision theory activation energy rate of reaction catalyst temperature surface area concentration ASSESSMENT: 1

Trilogy – Chemistry – CHAPTER 6 – The rate & extent of chemical change H Draw a diagram to show how the rate of reaction changes with INCREASING concentration. Draw a diagram to show how the rate of reaction changes with INCREASING temperature. Draw a diagram to show how the rate of reaction changes with INCREASING surface area. Draw a fully labelled energy level diagram to show how a catalyst lowers the activation energy. State Le Chatelier’s principle and give an example of how this is used in industry. Include chemical equations. “If a system is at equilibrium and a change is made to any of the condition, then the system responds to counteract the change.” Industry – the Haber Process 3H2 + N2 2NH3 KEY WORDS: collision theory activation energy rate of reaction catalyst temperature surface area concentration ASSESSMENT: 2