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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 9.07 g of K2SO4(s) are dissolved in 110.50 g of water, the temperature of the solution drops from 23.80 to 20.79 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.88 J/°C. Based on the student's observation, calculate the enthalpy of dissolution of K₂SO4(s) in kJ/mol. Assume the specific heat of the solution is equal to the specific heat of water. AH dissolution kJ/mol Brook Cengage Leaming Thermometer Cardboard or Styrofoam lid Nested Styrofoam cups Reaction occurs in solution.

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 9.07 g of K2SO4(s) are dissolved in 110.50 g of water, the temperature of the solution drops from 23.80 to 20.79 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.88 J/°C. Based on the student's observation, calculate the enthalpy of dissolution of K₂SO4(s) in kJ/mol. Assume the specific heat of the solution is equal to the specific heat of water. AH dissolution kJ/mol Brook Cengage Leaming Thermometer Cardboard or Styrofoam lid Nested Styrofoam cups Reaction occurs in solution.

General Chemistry - Standalone book (MindTap Course List)
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 6.132QP
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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 9.07 g of K₂SO4(s) are dissolved in 110.50 g of water, the temperature of the solution drops from 23.80 to 20.79 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.88 J/°C. Based on the student's observation, calculate the enthalpy of dissolution of K₂SO4(s) in kJ/mol. Assume the specific heat of the solution is equal to the specific heat of water. Brook, Cengage Leaming Thermometer Cardboard or Styrofoam lid Nested Styrofoam cups -Reaction occurs in solution. AH dissolution = kJ/mol
Transcribed Image Text: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 9.07 g of K₂SO4(s) are dissolved in 110.50 g of water, the temperature of the solution drops from 23.80 to 20.79 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.88 J/°C. Based on the student's observation, calculate the enthalpy of dissolution of K₂SO4(s) in kJ/mol. Assume the specific heat of the solution is equal to the specific heat of water. Brook, Cengage Leaming Thermometer Cardboard or Styrofoam lid Nested Styrofoam cups -Reaction occurs in solution. AH dissolution = kJ/mol
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