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6.2 Reversible reactions and dynamic equilibrium

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Question 43
F

When hydrated copper(II) sulfate is heated, the forward reaction takes in 78 kJ of energy for each mole of hydrated copper(II) sulfate that reacts.

hydrated copper(II) sulfate ⇌ \rightleftharpoons\,⇌ anhydrous copper(II) sulfate + water

a.

Name the type of energy change in the forward reaction.

[1]
b.

State the type of energy change in the reverse reaction and give the amount of energy transferred.

[2]
c.

A student adds a few drops of water to anhydrous copper(II) sulfate in a test tube. Describe what the student would feel and see.

[2]
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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