When a solid dissolves in water, heat 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 12.87 g of BaCl (s) are dissolved in 101.30 g of water, the temperature of the solution inereases from 24.77 to 27.07 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.87 J/C. Based on the student's observation, calculate the enthalpy of dissolution of BaClz(s) in kJ/mol. Assume the specific heat of the solution is equal to the specific heat of water. AHssolution kJ/mol
When a solid dissolves in water, heat 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 12.87 g of BaCl (s) are dissolved in 101.30 g of water, the temperature of the solution inereases from 24.77 to 27.07 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.87 J/C. Based on the student's observation, calculate the enthalpy of dissolution of BaClz(s) in kJ/mol. Assume the specific heat of the solution is equal to the specific heat of water. AHssolution kJ/mol
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
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
Section: Chapter Questions
Problem 95IL: Insoluble AgCl(s) precipitates when solutions of AgNO3(aq) and NaCl(aq) are mixed. AgNO3(aq) +...
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