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5.1.3 The energy change of reactions (HT only)
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Energy and covalent bonds

Energy and covalent bonds

During a chemical reaction, atoms are rearranged. Bonds in the reactants break, and new bonds form in the products.

5.1.3 The energy change of reactions (HT only) Lesson

  1. GCSE
  2. /Chemistry
  3. /5.1.3 The energy change of reactions (HT only)

Step-by-step lessons on AQA GCSE Chemistry 5.1.3 The energy change of reactions (HT only). Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

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