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6.3 Dynamic equilibria

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Question 13
H

The hydrogen for the Haber process is made from methane and steam. The forward reaction is endothermic. CH4(g)+H2O(g)⇌CO(g)+3H2(g)\mathrm{CH_{4}(g) + H_{2}O(g) \rightleftharpoons CO(g) + 3H_{2}(g)}CH4​(g)+H2​O(g)⇌CO(g)+3H2​(g)

Which statement about this equilibrium is correct?

[1]
A

High temperature increases the yield and the rate; high pressure increases the rate but lowers the yield

B

High temperature lowers the yield but increases the rate; high pressure increases the yield and the rate

C

High temperature increases the yield and the rate; high pressure increases the yield and the rate

D

High temperature increases the yield but lowers the rate; high pressure lowers the yield and the rate

Markscheme

6.3 Dynamic equilibria Questions

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

43 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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