Cold packs, whose temperatures are lowered when ammonium nitrate dissolves in water, are carried by athletic trainers when transporting ice is not possible. Which of the following is true of this reaction? a) ΔH < 0, process is endothermic b) ΔH > 0, process is endothermic c) ΔH > 0, process is exothermic d) ΔH < 0, process is exothermic e) ΔH = 0, since cold packs are sealed
Cold packs, whose temperatures are lowered when ammonium nitrate dissolves in water, are carried by athletic trainers when transporting ice is not possible. Which of the following is true of this reaction? a) ΔH < 0, process is endothermic b) ΔH > 0, process is endothermic c) ΔH > 0, process is exothermic d) ΔH < 0, process is exothermic e) ΔH = 0, since cold packs are sealed
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Cold packs, whose temperatures are lowered when ammonium nitrate dissolves in water, are carried by athletic trainers when transporting ice is not possible. Which of the following is true of this reaction?
a) ΔH < 0, process is endothermic
b) ΔH > 0, process is endothermic
c) ΔH > 0, process is exothermic
d) ΔH < 0, process is exothermic
e) ΔH = 0, since cold packs are sealed
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