Elements and Compounds
Chemical Bonding

Does the strength of a bond have an effect on energy change?

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2007-06-15 21:11:23
2007-06-15 21:11:23

Yes, a stronger bond requires more energy to break, and also releases more energy when it is made. In a chemical reaction, if you are breaking strong bonds, and only making weak ones, the reaction will require a lot of energy (endothermic). If instead you are breaking weak bonds and making very strong ones in the products, the reaction will release energy (exothermic).

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