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6.3 Dynamic equilibria

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Question 1
F

Ammonia is made in industry by the Haber process. Nitrogen reacts with hydrogen to form ammonia.

nitrogen + hydrogen ⇌ \rightleftharpoons\,⇌ ammonia

a.i.

The nitrogen and hydrogen come from natural raw materials.

Give the source of the nitrogen.

[1]
a.ii.

Give the source of the hydrogen.

[1]
b.

State what the symbol ⇌ \rightleftharpoons\,⇌ shows about this reaction.

[1]
c.

Balance the equation for the reaction: N2+......H2⇌......NH3\mathrm{N_{2}} + ...... \mathrm{H_{2}} \rightleftharpoons ...... \mathrm{NH_{3}}N2​+......H2​⇌......NH3​

[1]
d.

Give the temperature, the pressure and the catalyst used in the Haber process.

[3]
e.

Give one large-scale use of ammonia.

[1]
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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