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What is the relationship between the classification of a reaction as endothermic or exothermic and the enthalpy of the reaction?

What is the relationship between the classification of a reaction as endothermic or exothermic and the enthalpy of the reaction?
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What is the relationship between the classification of a reaction as endothermic or exothermic and the enthalpy of the reaction?

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User Xieranmaya
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If Enthalpy is positive, the reaction is endothermic.
If Enthalpy is negative, the reaction is exothermic.
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User Alexey Frunze
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