C2.5 Exothermic And Endothermic Reactions

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GCSE Chemistry (C2) Mind Map on C2.5 Exothermic And Endothermic Reactions, created by killthemoment on 07/26/2014.
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C2.5 Exothermic And Endothermic Reactions
1 C2.5.1 Energy Tranfer In Chemical Reactions
1.1 Chemical reactions involve energy transfers. Many chemical reactions involve the release of energy. For other chemical reactions to occur, energy must be supplied.
1.1.1 When chemical reactions occur, energy is transferred to or from the surroundings.
1.1.1.1 An exothermic reaction is one that transfers energy to the surroundings. Examples of exothermic reactions include combustion, many oxidation reactions and neutralisation. Everyday uses of exothermic reactions include self-heating cans and hand warmers.
1.1.1.1.1 An endothermic reaction is one that takes in energy from the surroundings. Endothermic reactions include thermal decompositions. Some sports injury packs are based upon endothermic reactions.
1.1.1.1.1.1 If a reversible reaction is exothermic in one direction, it is endothermic in the opposite direction. The same amount of energy is transferred in each case.
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