C2, Exothermic and endothermic reactions 0.0 / 5 ? ChemistryEnergy of reactions/Exothermic and endothermic reactionsGCSEAQA Created by: emmajane_Created on: 18-03-14 17:25 What do exothermic reactioins do? Transfer energy to the surroundings 1 of 12 What are exothermic reactions transfered as? Heat 2 of 12 How do you detect a temperature change of an exothermic reaction? By a themometer 3 of 12 Name 3 examples of exothermic reactions Combustion, Oxidation reactions (e.g. rusting) and neutralisation reactions between acids and alkalis 4 of 12 What do endothermic reactions do? Take in energy from surroundings 5 of 12 What do endothermic reactions do to temperature They decrease the temperature 6 of 12 What substances do endothermic reactions cause to react ethanolic acid and sodium carbonate 7 of 12 What do endothermic reactions cause to decompose by thermal decomposition? calcium carbonate in a blast furnace 8 of 12 Is an endothermic or exothermic reaction needed for electrolysis? An endothermic reaction 9 of 12 Name an everyday purpose for an endothermic reaction An ice pack 10 of 12 Name an everyday purpose for exothermic reactions Hand warmers 11 of 12 What is a reversable reaction? Exothermic................ Endothermic 12 of 12
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