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6.3 Dynamic equilibria

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Question 9
H

A vessel initially contains 100 dm3\mathrm{dm^{3}}dm3 of nitrogen and 240 dm3\mathrm{dm^{3}}dm3 of hydrogen. The mixture reaches equilibrium and then contains 30 dm3\mathrm{dm^{3}}dm3 of ammonia. N2(g)+3H2(g)⇌2NH3(g)\mathrm{N_{2}(g) + 3H_{2}(g) \rightleftharpoons 2NH_{3}(g)}N2​(g)+3H2​(g)⇌2NH3​(g)

All volumes are measured at the same temperature and pressure. What is the total volume of gas in the equilibrium mixture?

[1]
A

280 dm3280\,\mathrm{dm^{3}}280dm3

B

310 dm3310\,\mathrm{dm^{3}}310dm3

C

340 dm3340\,\mathrm{dm^{3}}340dm3

D

370 dm3370\,\mathrm{dm^{3}}370dm3

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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