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HEAT OF REACTION😉

WHAT IS HEAT OF REACTION?

•heat of reaction, the amount of heat that must be added or removed during a chemical reaction in order to keep all of the substances present at the same temperature. If the pressure in the vessel containing the reacting system is kept at a constant value,the measured heat of reaction also represents the change in the thermodynamic quantity called enthalpy, or heat content,

Example of "Heat of Reaction

WHAT IS CHEMICAL REACTION

TWO TYPES OF CHEMICAL REACTION

ENDOTHERMIC

Breaking a chemical bond requires energy and therefore is Endothermic.Breaking a chemical bond requires energy and therefore is Endothermic.

EXOTHERMIC REACTION

•exothermic reaction is a chemical reaction that releases energy by light or heat.It is the opposite of an endothermic reaction.

EXAMPLE of exothermic and endothermic reaction

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