Two aqueous solutions are both at room temperature and are then mixed in a coffee cup calorimeter. The reaction causes the temperature of the resulting solution to fall below room temperature. Which of the following statements is true?
A. The products have a lower potential energy than the reactants.
B. This type of experiment will provide data to calculate AErxn.
C. The reaction is exothermic.
D. Energy is leaving the system during reaction.
E. None of these statements are true.

When the temperature decreases, and that the final temperature is lower than the initial, it indicates that less calories were perceived in the calorimeter, therefore said reaction releases heat to the external environment, thus being an exothermic reaction.

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tutorareej tutorareej · Answer 2 · 2021-11-24T06:43:09+01:00

The reaction of given two liquids that have been resulted in the lowering of the temperature of the solution has been an exothermic reaction. Thus option C is correct.

There has been a decrease in the temperature of the solution after the mixing of the two solutions.

This can be described as the reaction between the two molecules that will result in the release of the energy from the system to the surroundings. The release of energy will result in the lowering of the temperature of the system.

The reaction in which the release of energy has been there is termed an exothermic reaction. Thus the reaction of given two liquids that have been resulted in the lowering of the temperature of the solution has been an exothermic reaction. Thus option C is correct.

For more information about the reaction temperature, refer to the link:

https://brainly.com/question/24118258