Energy Changes
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8 Terms
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Exothermic reactions
Transfer energy from reacting molecules to the surroundings so temperature of surroundings increase
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Examples of exothermic reactions
Combustion, oxidation and neutralisation
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Uses of exothermic reactions
Hand warmers, self heating cans
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Endothermic reactions
Take in energy from surroundings, so temperature of surroundings decrease
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Examples of endothermic reactions
Thermal decomposition
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Activation energy
Minimum amount of energy that particles must have in order to react
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Making bonds
Exothermic
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Breaking bonds
Endothermic
Note 
Flashcards (41)