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HSC chemistry

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Module 3 | Chemical monitoring and management

Focus 2: Chemical processes in industry require monitoring and management to maximise production

Lesson 1 | Ammonia - uses and significance in world history

  • Identify and describe the industrial uses of ammonia

  • Gather and process information from secondary sources to describe the conditions under which Haber developed the industrial synthesis of ammonia and evaluate its significance at that time in world history

Lesson 2 | Synthesis of ammonia - Haber process

  • Identify that ammonia can be synthesised from its component gases, nitrogen and hydrogen

  • Describe that synthesis of ammonia occurs as a reversible reaction that will reach equilibrium

  • Identify the reaction of hydrogen with nitrogen as exothermic

  • Explain why the rate of reaction is increased by higher temperatures

  • Explain why the yield of product in the Haber process is reduced at higher temperatures using Le Chatelier’s principle

  • Explain that the use of a catalyst will lower the reaction temperature required and identify the catalyst(s) used in the Haber process

  • Analyse the impact of increased pressure on the system involved in the Haber process

  • Explain why the Haber process is based on a delicate balancing act involving reaction energy, reaction rate and equilibrium

  • Explain why monitoring of the reaction vessel used in the Haber process is crucial and discuss the monitoring required

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