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3) For a solution of propanol and water, the following information is found: Xpropanol PH20 /kPa Ppropanol /kPa 3.168 0.00 0.020 3.13 0.67 0.050 3.09 1.44 0.100 3.03 1.76 0.200 2.91 1.81 0.400 2.89 1.89 0.600 2.65 2.07 0.800 1.79 2.37 0.900 1.08 2.59 0.950 0.56 2.77 1.000 0.00 2.901 a) Using a computer graphing program (e.g excel or similar graphing program), plot the data for the vapor pressure of each component and the total vapor pressure, as a function of mole fraction of propanol: b) What can you tell about the nature of the propanol-water intermolecular forces compared to water-water and propanol-propanol? c) From this data, estimate the Henry's law constant of propanol in water. HINT: remember Henry's law assumes linear behavior at low mole fraction of solute

3) For a solution of propanol and water, the following information is found: Xpropanol PH20 /kPa Ppropanol /kPa 3.168 0.00 0.020 3.13 0.67 0.050 3.09 1.44 0.100 3.03 1.76 0.200 2.91 1.81 0.400 2.89 1.89 0.600 2.65 2.07 0.800 1.79 2.37 0.900 1.08 2.59 0.950 0.56 2.77 1.000 0.00 2.901 a) Using a computer graphing program (e.g excel or similar graphing program), plot the data for the vapor pressure of each component and the total vapor pressure, as a function of mole fraction of propanol: b) What can you tell about the nature of the propanol-water intermolecular forces compared to water-water and propanol-propanol? c) From this data, estimate the Henry's law constant of propanol in water. HINT: remember Henry's law assumes linear behavior at low mole fraction of solute

Chemistry
Chemistry
10th Edition
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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### Propanol-Water Solution Data #### Table: Vapor Pressure Data for Propanol and Water | X<sub>propanol</sub> | P<sub>H2O</sub> (kPa) | P<sub>propanol</sub> (kPa) | |----------------------|-----------------------|---------------------------| | 0 | 3.168 | 0.00 | | 0.020 | 3.13 | 0.67 | | 0.050 | 3.09 | 1.44 | | 0.100 | 3.03 | 1.76 | | 0.200 | 2.91 | 1.81 | | 0.400 | 2.89 | 1.89 | | 0.600 | 2.65 | 2.07 | | 0.800 | 1.79 | 2.37 | | 0.900 | 1.08 | 2.59 | | 0.950 | 0.56 | 2.77 | | 1.000 | 0.00 | 2.901 | --- #### Questions a) **Graphing Task** - Use a graphing tool (such as Excel) to plot vapor pressure data for each component and the total vapor pressure as a function of the mole fraction of propanol. b) **Intermolecular Forces Analysis** - Analyze the intermolecular forces between propanol and water, and compare those to forces between water molecules and between propanol molecules. c) **Henry’s Law Constant** - Estimate the Henry's law constant for propanol in water using the provided data. - **Hint:** Henry’s law assumes linear behavior at low mole fractions of solute. d) **Activity Coefficients Calculation** - Calculate the activity coefficients for water and propanol at mole fractions of 0.20, 0.40, 0.60, and 0.80 (consider water as the solvent). - Submit your graphs with your homework. ---
Transcribed Image Text:### Propanol-Water Solution Data #### Table: Vapor Pressure Data for Propanol and Water | X<sub>propanol</sub> | P<sub>H2O</sub> (kPa) | P<sub>propanol</sub> (kPa) | |----------------------|-----------------------|---------------------------| | 0 | 3.168 | 0.00 | | 0.020 | 3.13 | 0.67 | | 0.050 | 3.09 | 1.44 | | 0.100 | 3.03 | 1.76 | | 0.200 | 2.91 | 1.81 | | 0.400 | 2.89 | 1.89 | | 0.600 | 2.65 | 2.07 | | 0.800 | 1.79 | 2.37 | | 0.900 | 1.08 | 2.59 | | 0.950 | 0.56 | 2.77 | | 1.000 | 0.00 | 2.901 | --- #### Questions a) **Graphing Task** - Use a graphing tool (such as Excel) to plot vapor pressure data for each component and the total vapor pressure as a function of the mole fraction of propanol. b) **Intermolecular Forces Analysis** - Analyze the intermolecular forces between propanol and water, and compare those to forces between water molecules and between propanol molecules. c) **Henry’s Law Constant** - Estimate the Henry's law constant for propanol in water using the provided data. - **Hint:** Henry’s law assumes linear behavior at low mole fractions of solute. d) **Activity Coefficients Calculation** - Calculate the activity coefficients for water and propanol at mole fractions of 0.20, 0.40, 0.60, and 0.80 (consider water as the solvent). - Submit your graphs with your homework. ---
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