Edexcel•GCSE•Chemistry
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Rates of Reaction and Energy Changes
Rates of reaction, catalysts, exothermic and endothermic reactions
Practice 39 subtopics in Rates of Reaction and Energy Changes. All questions match the Edexcel GCSE specification.
About Rates of Reaction and Energy Changes
Rates of Reaction and Energy Changes is a key topic in the Edexcel GCSE Chemistryspecification. This topic covers rates of reaction, catalysts, exothermic and endothermic reactions.
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Rate of reactionMeasuring rate of reactionCalculating rate of reactionRate from graphsMean rate of reactionFactors affecting rateEffect of concentrationEffect of surface areaEffect of temperatureEffect of pressure (gases)Effect of catalystsCollision theoryActivation energyFrequency of collisionsSuccessful collisionsExplaining concentration effectExplaining surface area effectExplaining temperature effectExplaining catalyst effectCatalystsHow catalysts workCatalysts in industryEnzymesEnzymes as biological catalystsProperties of enzymesEnergy transfer in reactionsExothermic reactionsExamples of exothermic reactionsEndothermic reactionsExamples of endothermic reactionsMeasuring temperature changesReaction profilesActivation energy on profilesEffect of catalysts on reaction profilesBond energies (HT)Breaking bonds - endothermic (HT)Making bonds - exothermic (HT)Calculating energy change (HT)Using bond energies (HT)
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