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Learning objective

Analyze reaction pathway diagrams that illustrate both exothermic and endothermic reactions.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE ChemistryChemical energeticsCore content

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Quick explanation

Analyze reaction pathway diagrams that illustrate both exothermic and endothermic reactions

  • This point belongs to Exothermic and endothermic reactions, especially Exothermic and endothermic reactions outcomes.
  • You need to be able to analyze reaction pathway diagrams that illustrate both exothermic and endothermic reactions.
  • The key ideas to know are Explain and Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

ExplainDescribe

Why it matters

This objective helps connect Exothermic and endothermic reactions outcomes to exam-style questions, flashcards, and revision notes for Exothermic and endothermic reactions.

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Flashcards10 linked cards

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Practice Questions7 linked questions

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Paper 3 structured question: Exothermic and endothermic reactions

Paper 3Theory (Core)1 marks

Diagram Description

Reaction Pathway Diagram

The diagram shows the energy changes for a chemical reaction, indicating the energy of reactants, products, and the activation energy.

  1. a

    State the type of reaction represented in the diagram.

    Aim for approximately 1 distinct marking point.

    [1]
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