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products drawn on an exothermic reaction profile relative to reactants?","back":"Below the reactants.","mcqOptions":null},{"id":"fa869c79-d42e-472c-9273-7285bd3ddeb6","cardType":"basic","points":2,"front":"What does the drop from reactants to products represent in an exothermic profile?","back":"The overall energy change: energy given out to the surroundings.","mcqOptions":null},{"id":"89b4c3ec-a8e5-4216-9036-cf4784f12bdb","cardType":"basic","points":1,"front":"Where are products drawn on an endothermic reaction profile relative to reactants?","back":"Above the reactants.","mcqOptions":null},{"id":"105e3b49-416a-4473-9712-a07498622bc6","cardType":"basic","points":2,"front":"What does the rise from reactants to products represent in an endothermic profile?","back":"The overall energy change: energy taken in from the surroundings.","mcqOptions":null},{"id":"5c976d68-2aa4-4abb-a071-f54799f66368","cardType":"basic","points":1,"front":"On an endothermic profile, should activation energy be 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Activation energy: reactant level to peak.
Overall energy change: between reactant and product levels.

","mcqOptions":null},{"id":"6bc65fcb-a950-4b65-a914-a7cc2e753194","cardType":"cloze","points":null,"front":"The height of the peak above the reactants is the [ ].","back":"The height of the peak above the reactants is the activation energy.","mcqOptions":null},{"id":"abcc0b84-bf09-411c-8245-73b6b566a0b3","cardType":"cloze","points":null,"front":"In an exothermic reaction, the products hold [ ] than the reactants.","back":"In an exothermic reaction, the products hold less energy than the reactants.","mcqOptions":null},{"id":"871f9c70-76dc-496f-b568-60380a2d1560","cardType":"cloze","points":null,"front":"In an endothermic reaction, the products hold [ ] than the reactants.","back":"In an endothermic reaction, the products hold more energy than the reactants.","mcqOptions":null},{"id":"7fc9a951-a2e3-4ba8-b07c-a76bd3c5e65e","cardType":"cloze","points":null,"front":"On a reaction profile, energy is on the [ ] and reaction progress is on the horizontal axis.","back":"On a reaction profile, energy is on the vertical axis and reaction progress is on the horizontal axis.","mcqOptions":null},{"id":"350ee9df-0816-4f41-b46b-4974ab33fd60","cardType":"cloze","points":null,"front":"On a reaction profile, energy is on the vertical axis and reaction progress is on the [ ].","back":"On a reaction profile, energy is on the vertical axis and reaction progress is on the horizontal axis.","mcqOptions":null}]}],"examCountdown":{"examDate":"2027-05-17","paperLabel":"Paper 1"},"heading":"8.2.4 Activation energy and reaction profiles","title":"8.2.4 Activation energy and reaction profiles Flashcards","topbar":{"backHref":"/gcse/chemistry/edexcel/flashcards"},"topicSidebar":"$L38"}]}],"topicId":"70c3fc45-545a-5879-9bf0-452e43e33bfd","walled":"$L39"}],"$L3a","$L3b"]