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[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 & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter13: Solutions And Their Behavior
Section: Chapter Questions
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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)
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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