Heat energy changes in chemical reactions - EdexcelVideo

Exothermic reactions in solution give out energy and the temperature increases, while endothermic reactions take in energy and the temperature decreases. Bonds are broken and made in reactions.

Part ofCombined ScienceRates of reaction and energy changes

A study of the energy changes involved in chemical reactions, whether exothermic or endothermic

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Heat energy changes in chemical reactions - Edexcel

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