Exothermic and endothermic reactions 0.0 / 5 ? ChemistryEnergy of reactions/Exothermic and endothermic reactionsGCSEAQA Created by: chanthi_xCreated on: 14-12-15 22:39 What is an exothermic reaction? Energy is transferred from the reacting substance out to the surroundings. 1 of 8 What are some examples of exothermic reactions? Combustion, respiration and neutralisation. 2 of 8 What are some everyday uses of exothermic reactions? Self-heating cans and hand warmers. 3 of 8 What is an endothermic reaction? Energy is transferred from the surroundings into the reacting substance. 4 of 8 What are some examples of endothermic reactions? Photosynthesis and thermal decomposition. 5 of 8 What are some everyday uses of endothermic reactions? Sports injury packs 6 of 8 What happens in a reversible reaction? It is always endothermic in one direction and exothermic in the other direction. 7 of 8 What is an example of a reversible reaction? Hydrated copper sulphate ⎶ anhydrous copper sulphate+water 8 of 8
Comments
No comments have yet been made