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6.2 Reversible reactions and dynamic equilibrium

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Question 29
H

The equilibrium shown is set up in a sealed container at a high temperature. The pressure in the container is then increased.

CaCO3(s)⇌CaO(s)+CO2(g)\text{CaCO}_3\text{(s)} \rightleftharpoons \text{CaO(s)} + \text{CO}_2\text{(g)}CaCO3​(s)⇌CaO(s)+CO2​(g)

What is the effect on the position of equilibrium?

[1]
A

It shifts to the left, towards the smaller number of gas molecules

B

It shifts to the right, towards the smaller number of gas molecules

C

It does not shift, because the numbers of molecules are equal

D

It does not shift, because two of the three substances are solids

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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