In the lab, you mix two solutions (each originally at the same temperature) and the temperature of the resulting solution decreases. Which of the following is true?

A) The chemical reaction is releasing energy.
B) The chemical reaction is absorbing energy.
C) The energy released is equal to s Ã m Ã ÎT.
D) The chemical reaction is exothermic.
E) More than one of these.

Endothermic reactions are defined as the reactions in which energy of products is more than the energy of the reactants. In these reactions, energy is absorbed by the system.

The total enthalpy of the reaction [tex](\Delta H)[/tex] comes out to be positive.

Exothermic reactions are defined as the reactions in which energy of reactants is more than the energy of the products. In these reactions, energy is released by the system.

The total enthalpy of the reaction [tex](\Delta H)[/tex] comes out to be negative.

On mixing of both solution we had observed that temperature of the resulting solution was lowered this is because the energy was absorbed during the chemical reaction.

samueladesida43 samueladesida43 · Answer 2 · 2021-11-16T15:27:06+01:00

The true statement about the reaction is that: The chemical reaction is absorbing energy.

ENDOTHERMIC REACTION:

An endothermic reaction is a reaction in which energy in form of heat is required for it to proceed.

Endothermic reactions absorb energy from its surroundings, hence, making their surrounding cooler.

According to this question, two solutions originally at the same temperature are mixed and the temperature of the resulting solution decreases.

This portrays that the chemical reaction is an example of endothermic reaction that absorbs energy, hence, causing the resulting solution to be cool.

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