AQA•GCSE•Chemistry
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Energy Changes
Exothermic and endothermic reactions, reaction profiles, and bond energies
Practice 23 subtopics in Energy Changes. All questions match the AQA GCSE specification.
About Energy Changes
Energy Changes is a key topic in the AQA GCSE Chemistryspecification. This topic covers exothermic and endothermic reactions, reaction profiles, and bond energies.
Master all 23 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (23)
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Energy transfer in reactionsExothermic reactionsExamples of exothermic reactionsEndothermic reactionsExamples of endothermic reactionsMeasuring temperature changesReaction profiles for exothermic reactionsReaction profiles for endothermic reactionsActivation energyEffect of catalysts on reaction profilesBond energies (HT)Energy to break bonds (HT)Energy released when bonds form (HT)Calculating energy change from bond energies (HT)Explaining exothermic reactions using bond energies (HT)Explaining endothermic reactions using bond energies (HT)Chemical cells (HT)Voltage of chemical cells (HT)Non-rechargeable cells (HT)Rechargeable cells (HT)Hydrogen fuel cells (HT)Advantages of fuel cells (HT)Disadvantages of fuel cells (HT)
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