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5.1 Exothermic and endothermic reactions

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Question 16

Particles in reactions P and Q collide with an energy of 54 kJ/mol. The activation energies are shown in the table.

ReactionActivation energy (kJ/mol\text{kJ/mol}kJ/mol)
P48
Q61

Explain what happens when the particles collide in reaction P and when they collide in reaction Q.

[2]
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5.1 Exothermic and endothermic reactions Questions

  1. GCSE
  2. /Chemistry
  3. /5.1 Exothermic and endothermic reactions

85 exam-style questions on AQA GCSE Chemistry 5.1 Exothermic and endothermic reactions, covering 5.1.1 Energy transfer during exothermic and endothermic reactions, 5.1.2 Reaction profiles, and 5.1.3 The energy change of reactions. Each one has a worked solution and a mark scheme showing where the marks go.

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