Heat energy changes 0.0 / 5 ? ChemistryHeat energy changesGCSEEdexcel Created by: Jazzy15Created on: 21-03-19 10:26 What are exothermic reactions ? Heat energy is given out + reaction mixture or the surroundings increase in temperature 1 of 5 What are endothermic reactions ? Heat energy is taken in and the reaction mixture or the surroundings decrease in temperature 2 of 5 x x 3 of 5 x x 4 of 5 x x 5 of 5
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