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6.2 Reversible reactions and dynamic equilibrium

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Question 59
H78%

The equation for a reaction at equilibrium is shown. The pressure on the mixture is increased.

N2(g)+3H2(g)⇌2NH3(g)\text{N}_2\text{(g)} + 3\text{H}_2\text{(g)} \rightleftharpoons 2\text{NH}_3\text{(g)}N2​(g)+3H2​(g)⇌2NH3​(g)

What is the effect on the amount of ammonia at equilibrium?

[1]
A

It increases, because there are fewer molecules on the right

B

It increases, because there are fewer molecules on the left

C

It decreases, because there are fewer molecules on the right

D

It decreases, because there are more molecules on the right

Markscheme

6.2 Reversible reactions and dynamic equilibrium Questions

  1. GCSE
  2. /Chemistry
  3. /6.2 Reversible reactions and dynamic equilibrium

109 exam-style questions on AQA GCSE Chemistry 6.2 Reversible reactions and dynamic equilibrium, covering 6.2.1 Reversible reactions, 6.2.2 Energy changes and reversible reactions, 6.2.3 Equilibrium, 6.2.4 The effect of changing conditions on equilibrium, 6.2.5 The effect of changing concentration, 6.2.6 The effect of temperature changes on equilibrium, and 6.2.7 The effect of pressure changes on equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.

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