The reaction between ammonium thiocyanate and barium hydroxide is endothermic or exothermic in nature is to be explained. Concept Introduction: Potential energy is stored in the bonds of the molecules that hold constituent atoms together. If the product molecules have more potential energy than the reactant molecules then energy must be supplied from an external source and the resulting reaction is called an endothermic reaction. If the product molecules have lower potential energy than the reacting molecules then the difference in the potential energy of the reactants and the products is released to the surroundings and such a reaction is called an exothermic reaction.

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Chapter 6, Problem 67QP

Interpretation Introduction

Interpretation:

The reaction between ammonium thiocyanate and barium hydroxide is endothermic or exothermic in nature is to be explained.

Concept Introduction:

Potential energy is stored in the bonds of the molecules that hold constituent atoms together.

If the product molecules have more potential energy than the reactant molecules then energy must be supplied from an external source and the resulting reaction is called an endothermic reaction.

If the product molecules have lower potential energy than the reacting molecules then the difference in the potential energy of the reactants and the products is released to the surroundings and such a reaction is called an exothermic reaction.

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