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
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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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![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.
Thermo
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.
AHaissohtion
kJ/mol
Submit Answer
Retry Entire Group
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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.
Thermo
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.
AHaissohtion
kJ/mol
Submit Answer
Retry Entire Group
3 more group attempts remaining
![Use the References to uccess important values if needed for this question.
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.
Thes
In the laboratory a general chemistry student finds that when 3.49 g of NH,CI(s) are dissolved in 113.40 g of
water, the temperature of the solution drops from 25.58 to 23.43 °C.
The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a
separate experiment to be 1.64 J/"C.
Based on the student's observation, calculate the enthalpy of dissolution of NH CI(s) in kJ/mol.
Assume the specific heat of the solution is equal to the specific heat of water.
AHisolution
kJ/mol
Submit Answer
Retry Entire Group
3 more group attempts remaining](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa9f2d33c-5a79-4948-b459-2520f22e79d4%2F2c3b812e-e8e8-4b8a-a21b-a08dd49f22c4%2Feet5ung_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Use the References to uccess important values if needed for this question.
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.
Thes
In the laboratory a general chemistry student finds that when 3.49 g of NH,CI(s) are dissolved in 113.40 g of
water, the temperature of the solution drops from 25.58 to 23.43 °C.
The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a
separate experiment to be 1.64 J/"C.
Based on the student's observation, calculate the enthalpy of dissolution of NH CI(s) in kJ/mol.
Assume the specific heat of the solution is equal to the specific heat of water.
AHisolution
kJ/mol
Submit Answer
Retry Entire Group
3 more group attempts remaining
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