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6.2 Reversible reactions and dynamic equilibrium

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Question 26

A reversible reaction between P and Q is shown.

P ⇌ Q

The change from P to Q is the forward reaction. A student allows Q to react in the reverse direction. The results are shown in the table.

Amount of Q reacting in the reverse direction in molInitial temperature of the surroundings in °CFinal temperature of the surroundings in °CEnergy transferred between the reacting chemicals and the surroundings in kJ
1.0022.018.556

Explain what the results show about the energy transferred when 1.00 mol of P reacts in the forward direction.

[3]
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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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