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 Thermometer Cardboard or Styrofoam lid In the laboratory a general chemistry student finds that when 6.98 g of K2SO4(s) are dissolved in 114.60 g of water, the temperature of the solution drops from 22.05 to 19.85 °c The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.59 J/oC Nested Styrofoam cups Based on the student's observation, calculate the enthalpy of dissolution of K2SO4(s) in kJ/mol Reaction Assume the specific heat of the solution is equal to the specific heat of water. occurs in solution. kJ/mol AHdissolution eso Cangage L Submit Answer Retry Entire Group 9 more group attempts remaining
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 Thermometer Cardboard or Styrofoam lid In the laboratory a general chemistry student finds that when 6.98 g of K2SO4(s) are dissolved in 114.60 g of water, the temperature of the solution drops from 22.05 to 19.85 °c The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.59 J/oC Nested Styrofoam cups Based on the student's observation, calculate the enthalpy of dissolution of K2SO4(s) in kJ/mol Reaction Assume the specific heat of the solution is equal to the specific heat of water. occurs in solution. kJ/mol AHdissolution eso Cangage L Submit Answer Retry Entire Group 9 more group attempts remaining
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.101PAE
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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
Thermometer
Cardboard or
Styrofoam lid
In the laboratory a general chemistry student finds that when 6.98 g of K2SO4(s) are dissolved
in 114.60 g of water, the temperature of the solution drops from 22.05 to 19.85 °c
The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was
determined in a separate experiment to be 1.59 J/oC
Nested
Styrofoam cups
Based on the student's observation, calculate the enthalpy of dissolution of K2SO4(s) in kJ/mol
Reaction
Assume the specific heat of the solution is equal to the specific heat of water.
occurs in
solution.
kJ/mol
AHdissolution
eso Cangage L
Submit Answer
Retry Entire Group
9 more group attempts remaining
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