[4.05819 Mass of Urea (g): Buret Initial Volume (mL): water Part 2 Calculation: Final Temperature of saturated solution ("C): Buret Final Volume (mL):1 fiical. 24.90 A. Find the Keq for dissolving urea (saturated solution) Mass of urea used 4.05819 27.0 1.Write the chemical equation for urea dissolving: City N₂0 (s) + H₂0 (1) → (HyN₂O) (aq) 22.22 Volume of water used: 3.8% mL 2.Calculate the molarity of the urea, [Urea]eam for the saturated solution of urea in water. You must first find the moles of urea (molar mass 60.05 g/mol). Then you must use the volume given in the data (above) to find the molarity of the urea in the saturated solution. Show calculations here. -3 R= 8.314110
[4.05819 Mass of Urea (g): Buret Initial Volume (mL): water Part 2 Calculation: Final Temperature of saturated solution ("C): Buret Final Volume (mL):1 fiical. 24.90 A. Find the Keq for dissolving urea (saturated solution) Mass of urea used 4.05819 27.0 1.Write the chemical equation for urea dissolving: City N₂0 (s) + H₂0 (1) → (HyN₂O) (aq) 22.22 Volume of water used: 3.8% mL 2.Calculate the molarity of the urea, [Urea]eam for the saturated solution of urea in water. You must first find the moles of urea (molar mass 60.05 g/mol). Then you must use the volume given in the data (above) to find the molarity of the urea in the saturated solution. Show calculations here. -3 R= 8.314110
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![Part 2 Data
Mass of Urea (g):
Buret Initial Volume (mL):
water
Part 2 Calculation:
4.05819
24.90
A. Find the Keq for dissolving urea (saturated solution)
Mass of urea used 4.05819
Moles urea =
Final Temperature of saturated solution ("C):
Buret Final Volume (ml):
fikcal - In
1.Write the chemical equation for urea dissolving:
CityN₂0 (s) + H₂0 (1) → (H₂N₂O) (aq)
Volume in Liters =
2.Calculate the molarity of the urea, [Urea]eam for the saturated solution of urea in water. You
must first find the moles of urea (molar mass 60.05 g/mol). Then you must use the volume
given in the data (above) to find the molarity of the urea in the saturated solution. Show
calculations here.
3. Calculate AG soln
Volume of water used: 3.88 ML
Molarity of saturated solution (NOTE: this molarity = Keq ) =
To do this, use: AG soln = - RT In Keq
AH-TAS soln
4. Calculate AS soln
Use: AG
First, re-arrange the equation given above to solve for AS soln
6
27.0
W
AS soln
AGOsoln
Then plug in the values you got for AG° and AH° to find AS°. Convert your answer to JOULES per
K per mole (J/(K mol))
R2 = 8.3141103
for KJ
kJ/mol
-3
J/(K mol)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa2235802-1bf7-4ffe-a35f-5d569b389d43%2Fb60684db-6f42-4b9e-8b96-45758c198a24%2Fmj3qgi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Part 2 Data
Mass of Urea (g):
Buret Initial Volume (mL):
water
Part 2 Calculation:
4.05819
24.90
A. Find the Keq for dissolving urea (saturated solution)
Mass of urea used 4.05819
Moles urea =
Final Temperature of saturated solution ("C):
Buret Final Volume (ml):
fikcal - In
1.Write the chemical equation for urea dissolving:
CityN₂0 (s) + H₂0 (1) → (H₂N₂O) (aq)
Volume in Liters =
2.Calculate the molarity of the urea, [Urea]eam for the saturated solution of urea in water. You
must first find the moles of urea (molar mass 60.05 g/mol). Then you must use the volume
given in the data (above) to find the molarity of the urea in the saturated solution. Show
calculations here.
3. Calculate AG soln
Volume of water used: 3.88 ML
Molarity of saturated solution (NOTE: this molarity = Keq ) =
To do this, use: AG soln = - RT In Keq
AH-TAS soln
4. Calculate AS soln
Use: AG
First, re-arrange the equation given above to solve for AS soln
6
27.0
W
AS soln
AGOsoln
Then plug in the values you got for AG° and AH° to find AS°. Convert your answer to JOULES per
K per mole (J/(K mol))
R2 = 8.3141103
for KJ
kJ/mol
-3
J/(K mol)
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