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6.3 Dynamic equilibria

6.3 Dynamic equilibria

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Question 17

The industrial synthesis of methanol from carbon monoxide and hydrogen is a reversible reaction:

CO(g)+2H2(g)⇌CH3OH(g) \text{CO(g)} + 2\text{H}_2\text{(g)} \rightleftharpoons \text{CH}_3\text{OH(g)} CO(g)+2H2​(g)⇌CH3​OH(g)

The process is typically carried out at a pressure of 50 atmospheres.

Explain the effect that a pressure higher than 50 atmospheres would have on:

a.
  • the rate of attainment of equilibrium
[2]
b.
  • the equilibrium yield of methanol
[2]
Markscheme

6.3 Dynamic equilibria Questions

  1. GCSE
  2. /Chemistry
  3. /6.3 Dynamic equilibria

60 exam-style questions on Edexcel GCSE Chemistry 6.3 Dynamic equilibria, covering 6.3.1 The Haber process as a reversible reaction, 6.3.2 Conditions and rate in industrial equilibria, and 6.3.3 Fertilisers and the preparation of ammonium sulfate. Each one has a worked solution and a mark scheme showing where the marks go.

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