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How do we use exothermic reactions?

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Endothermic reactions. An endothermic reaction occurs when the energy used to break the bonds in the reactants is greater than the energy given out when bonds are formed in the products. This means that overall the reaction takes in energy, therefore there is a temperature decrease in the surroundings.Jul 1, 2014 read more

Exothermic reactions transfer energy to the surroundings. Endothermic reactions take in energy from the surroundings. Reversible reactions are where the products can react to remake the original reactants. If the forward reaction is exothermic, the reverse reaction is endothermic. read more

One good example of a powerful exothermic reaction used in daily life is the thermite reaction (YouTube it very good to watch). The reaction involves converting iron oxide to iron by reacting it with aluminium oxide. This reaction is most commonly used to repair cracks in railway lines. On example of an endothermic reaction are ice packs. read more

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