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(23) 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 the above statements are true.

(23) 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 the above statements are true.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.8: Product- Or Reactant-favored Reactions And Thermodynamics
Problem 1.2ACP
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(23) 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 the above statements are true.
Transcribed Image Text:(23) 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 the above statements are true.
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