How is enthalpy used to predict whether a reaction is endothermic or exothermic? when the enthalpy of the reactants is higher than the enthalpy of the products, the reaction is endothermic. when the enthalpy of the products is higher than the enthalpy of the reactants, the reaction is exothermic. when the enthalpy change of the reaction is positive, the reaction is exothermic. when the enthalpy change of the reaction is positive, the reaction is endothermic.

A chemical reaction can be an exothermic reaction or an endothermic reaction based on whether it absorb or give out energy when it is occurring. An exothermic reaction is a type of reaction that gives out energy when it is occurring. The enthalpy change of exothermic reactions is always negative. An endothermic reaction is a type of chemical reaction in which energy is absorbed from the environment. The enthalpy change of endothermic reaction is always positive.

Oseni Oseni · Answer 2 · 2022-06-01T16:22:25+02:00

Enthalpy can be used to predict whether a reaction is endo or exothermic if the enthalpy change is positive or negative respectively.

Enthalpy change

Enthalpy refers to the heat content of a system.

Enthalpy change refers to a difference in the amount of heat energy of the reactant and the product.

A system where the enthalpy of reactants is higher than that of the products is said to be endothermic. The heat change here will be positive.

A system in which the enthalpy of the products is higher than that of the reactant is said to be exothermic. The heat change here will be negative.

More on enthalpy can be found here:https://brainly.com/question/13996238

#SPJ5