Differentiate between the following-
Exothermic change and endothermic change.

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Solution

Exothermic change
Endothermic change.
1. Heat is released during the reaction . 1. Heat is absorbed during the reaction
2.Heat liberated is indicated by a positive sign on the product side. 2.Heat observed is indicates by negative sign on the product side .
3. An exothermic reaction is represented
reactants→product+heat 3. An endothermic reaction is represented
reactants→product−heat
4. Energy of the reactant is greater than the product. 4. Energy of the reactant is lesser than the product.

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Exothermic change	Endothermic change.
1. Heat is released during the reaction .	1. Heat is absorbed during the reaction
2.Heat liberated is indicated by a positive sign on the product side.	2.Heat observed is indicates by negative sign on the product side .
3. An exothermic reaction is represented reactants→product+heat	3. An endothermic reaction is represented reactants→product−heat
4. Energy of the reactant is greater than the product.	4. Energy of the reactant is lesser than the product.