When a solid dissolves in water, hest may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter. In the laboratory a general chemistry student finds that when 5.99 g of NH, Br(s) are dissolved in 117.40 g of water, the temperature of the solution drops from 25.98 to 23.69 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.75 J/"C. Based on the student's observation, calculate the enthalpy of dissolution of NH,Br(s) in kJ/mol. Assume the specific heat of the solution is equal to the specific heat of water. AHaisolution kJ/mol
When a solid dissolves in water, hest may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter. In the laboratory a general chemistry student finds that when 5.99 g of NH, Br(s) are dissolved in 117.40 g of water, the temperature of the solution drops from 25.98 to 23.69 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.75 J/"C. Based on the student's observation, calculate the enthalpy of dissolution of NH,Br(s) in kJ/mol. Assume the specific heat of the solution is equal to the specific heat of water. AHaisolution kJ/mol
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.110QP: A 29.1-mL sample of 1.05 M KOH is mixed with 20.9 mL of 1.07 M HBr in a coffee-cup calorimeter (see...
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