Exothermic and endothermic reactions 0.0 / 5 ? ChemistryEnergy of reactions/Exothermic and endothermic reactionsGCSEAQA Created by: Beatrice OseiCreated on: 07-10-18 11:01 357921468 Across 1. Chemical used in handwarmers (6, 7) 4. Energy is released to form bonds (10) 6. Used to show a change in energy in a reaction (8, 7) 7. Hydrocarbon that takes least amount of energy to break (6) 8. Real life use for an endothermic reaction (4, 5) 9. Real life use for an exothermic reaction (11) Down 2. Energy is taken in to break bonds (11) 3. Example of exothermic reaction. pH 7 (14) 5. Hydrocarbon with single bonds (7)
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