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Two solutions, initially at 23.49 °C, are mixed in a perfect coffee cup calorimeter at the same temperature. When 100.0 mL of 0.395 M sodium chloride is mixed with 200.0 mL of 0.5 M X(NO3)2, the temperature increases to 27.86 °C. What is the AHO, for the reaction written below? (Assume the density (1.00 g/mL) and specific heat of the solutions are the same as water: 4.184 J/g°C.) Only enter your numerical answer. Do not enter units. rxn X(NO3)2(aq) + 2NaCl(aq) →XCl2(s) + 2NaNO3(aq) AH°rxn = ? kJ

Two solutions, initially at 23.49 °C, are mixed in a perfect coffee cup calorimeter at the same temperature. When 100.0 mL of 0.395 M sodium chloride is mixed with 200.0 mL of 0.5 M X(NO3)2, the temperature increases to 27.86 °C. What is the AHO, for the reaction written below? (Assume the density (1.00 g/mL) and specific heat of the solutions are the same as water: 4.184 J/g°C.) Only enter your numerical answer. Do not enter units. rxn X(NO3)2(aq) + 2NaCl(aq) →XCl2(s) + 2NaNO3(aq) AH°rxn = ? kJ

Chemistry
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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Two solutions, initially at 23.49 °C, are mixed in a perfect coffee cup calorimeter at the same temperature. When 100.0 mL of 0.395 M sodium chloride is mixed with 200.0 mL of 0.5 M X(NO3)2, the temperature increases to 27.86 °C. What is the AHO, for the reaction written below? (Assume the density (1.00 g/mL) and specific heat of the solutions are the same as water: 4.184 J/g°C.) Only enter your numerical answer. Do not enter units. rxn X(NO3)2(aq) + 2NaCl(aq) →XCl2(s) + 2NaNO3(aq) AH°rxn = ? kJ
Transcribed Image Text:Two solutions, initially at 23.49 °C, are mixed in a perfect coffee cup calorimeter at the same temperature. When 100.0 mL of 0.395 M sodium chloride is mixed with 200.0 mL of 0.5 M X(NO3)2, the temperature increases to 27.86 °C. What is the AHO, for the reaction written below? (Assume the density (1.00 g/mL) and specific heat of the solutions are the same as water: 4.184 J/g°C.) Only enter your numerical answer. Do not enter units. rxn X(NO3)2(aq) + 2NaCl(aq) →XCl2(s) + 2NaNO3(aq) AH°rxn = ? kJ
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