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Equilibrium: balance between rate, safety, environment and economics

The starter and exit quiz of the lesson “Equilibrium: balance between rate, safety, environment and economics”, from the unit “Industrial chemistry” (Year 11 Science) by Oak National Academy.

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Oak National Academy

12 questions

  1. The industrial method for producing ammonia from hydrogen and nitrogen is called the ___.
  2. What name is given to a substance that increases the rate of a reaction, by providing an alternative reaction pathway?
  3. Which of the following chemical reactions are exothermic?
  4. In an equation for a chemical reaction, what is the meaning of this symbol ⇌?
  5. Which of the following factors does **not** increase the rate of this chemical reaction?NaOH (aq) + HCl (aq) → H₂O (l) + NaCl (aq)
  6. What is normally used as a catalyst in the Haber process?
  7. Match the following terms with the correct definitions.
  8. Which of the following factors does **not** affect the position of equilibrium?
  9. What impact would increasing the pressure have on this reversible reaction?3H₂ (g) + N₂ (g) ⇌ 2NH₃ (g)
  10. A reversible reaction is exothermic in the forward reaction. Which of the following statements about the reaction are correct?
  11. During a reversible reaction the desired product is removed, the pressure and temperature are kept constant. What impact does this have on the reaction?
  12. Why is ammonia manufactured at 200 atmospheres rather than the higher 400 atmospheres?3H₂ (g) + N₂ (g) ⇌ 2NH₃ (g)

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Equilibrium: balance between rate, safety, environment and economics · Examplary