Question

Definition of exothermic chemical reaction??​

Answer 1

Answer:

An exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative." Exothermic reactions usually release heat and entail the replacement of weak bonds with stronger ones

Answer 2

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In exothermic chemical reaction Heat is absorbed during the reaction.Heat observed is indicates by negative sign on the product side .Energy of the reactant is lesser than the product.