zahir725 zahir725

29-01-2017
Chemistry

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descibe enthalpy change in term of exothermic and endothermic

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RoseWhite RoseWhite

29-01-2017

Negative enthalpy change means a reaction is exothermic because they give out heat, therefore losing energy.

Endothermic reactions have a positive enthalpy change because they absorb heat, therefore gaining energy.

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