Drivers of Reactions

This module explains why reactions release or absorb energy, moving from enthalpy and calorimetry through bond energy and Hess’s Law to entropy, Gibbs free energy and spontaneity.

13lessons

1module quiz

5–7hrs study

Start Lesson 1 →

Lessons

Enthalpy & Energy Profile Diagrams

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Calorimetry, Combustion

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Calorimetry, Neutralisation

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Calorimetry, Dissolution of Ionic Substances

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Activation Energy, Catalysts & Energy Diagrams

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Bond Energy & Enthalpy Change

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Enthalpy of Formation

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Hess’s Law

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Hess’s Law Applied, Photosynthesis & Respiration

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Hess’s Law Applied, Heat of Combustion & Consolidation

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Entropy, Definition, Modelling & Predicting ΔS

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Calculating ΔS° & Standard Entropy

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Gibbs Free Energy & Spontaneity

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Module Quiz

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Module Snapshot

13lessons

1quiz (IQ1–3 + test)

50MC questions

5–7hstudy time

Ready to start?

Work through lessons in order, each one builds on the last.

Start Lesson 1 →

Print it for the wall

An A3 concept map of this module — its inquiry questions and content dot points on one sheet. A revision aid, not a complete reproduction of the syllabus.

Download A3 poster (PDF)

Year 11 syllabus checklist (A3, 2 sheets)