Chem 5.1 and 5.2 0.0 / 5 ? ChemistryEnergy ChangesGCSEAQA Created by: 3mily05Created on: 17-09-19 17:54 What is the conservation of energy? Energy cannot be created or destroyed just transferred from one for to another 1 of 7 What is an exothermic reaction? Reaction which releases heat to the surroundings, causing an increase in temperature of surroundings 2 of 7 What is an endothermic reaction? Reaction which absorbs heat from the surroundings, causing a decrease in temperature of surroundings 3 of 7 What is collision Theory? A reaction will only happen if reactant particles collide with enough energy. 4 of 7 What is activation Energy? The minimum energy needed for a reaction to happen. 5 of 7 What is required to break bonds? Energy is required to break bonds. 6 of 7 What is give out when bonds are made? Energy is given out when bonds are made. 7 of 7
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