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For this question, it may be helpful to print the appropriate ethanol/butanol phase diagram. How ...
Organic Chemistry Lab Experiment 117-02 Distillation and Boiling Points- POST LAB WORKSHEET (5 pts) Consider the...
Organic Chemistry Lab Experiment 117-02 Distillation and Boiling Points- POST LAB WORKSHEET (5 pts) Consider the phase diagram below for miscible liquids 'A' and 'B 4. 120 110 100 90 80 70 0 mol% A 20 40 80 60 100 100 mol% B 60 80 40 20 a) What is the boiling point of pure 'A'? b) What is the boiling point of pure 'B'? c) What is the boiling point of an 50:50 mixture of 'A' and 'B'? d)...
Refer to one of the BP-Composition curves for Cyclohexane - Toluene above. Starting with a mixture...
Refer to one of the BP-Composition curves for Cyclohexane - Toluene above. Starting with a mixture of 15% cyclohexane and 85% toluene, to produce distillate having a purity of greater than 90% cyclohexane, what is the minimum number of theoretical plates that a fractional distillation apparatus would need? Show a sketch of how you determined this.With a drawing please!! How many simple distillations would produce the same result in Question 2.)?
Consider the phase diagram below for a mixture of chloroform and methanol, looking at how the...
Consider the phase diagram below for a mixture of chloroform and methanol, looking at how the boiling point changes with composition at constant pressure. If you started with a solution that was Xchloroform = 0.1 at a temperature of 333 K, is it possible to use fractional distillation to purify this solution to nearly 100% chloroform? Approximately what concentration (in mole fraction) would you expect you could achieve through fractional distillation? Curves calculated by mod. UNIFAC (Dortmund) Temperature Minimum Azeotrope...
Ethanol boils at 78.4°C, water boils at 100°C, but it forms a positive azeotrope that boils at 78.2°C, which is lower t...
Ethanol boils at 78.4°C, water boils at 100°C, but it forms a positive azeotrope that boils at 78.2°C, which is lower than for either of its constituents. If you start from a mash that has 10% alcohol content, how many distillation steps do you require to get to 40% alcohol (typical for Vodka)? (use the figure below to sketch the steps). How many steps would be required to make Whiskey with 60% alcohol? Why can you not make a solution...
Question 1 Suppose two liquids (A and B) are mixed together and a phase diagram constructed...
Question 1 Suppose two liquids (A and B) are mixed together and a phase diagram constructed for this real solution (shown in green in the graph on the next page). Vapour pressure lines are also drawn in blue for the ideal version of this solution. a) Calculate the mole fraction of B in a solution where 4.6 moles of A is mixed with 3.6 moles of В. b) What has the higher vapour pressu re, the real solution or the...
Question 1: Using the copper-silver phase diagram in Figure 1 a. What is the eutectic composition...
Question 1: Using the copper-silver phase diagram in Figure 1 a. What is the eutectic composition Starting from a molten miture with 80 w1% silver at 110rcyou cool the mature slowly. b. At what temperature will first solids occur ? C What is the composition of the first sollids? d. What is the percent solids at 80007 e. What is the composition at 600C ? 1084,5 (Cul 1.9 500 400 Cu 10 20 30 4 50 60 0 80 90...
In the synthesis of dimethylmaleate, answer the following question: How would you propose to characterize product...
In the synthesis of dimethylmaleate, answer the following
question:
How would you propose to characterize product of this reaction?
For example: What differences in IR/NMR spectra would you see
between starting material (maleic anhydride) and obtained
product?
SYNTHESIS OF DIMETHYLMALEATE A Chem Ed TESTED DEMONSTRATION Rewritten from: Oliver Grummill, THIS JOURNAL, 18, 447 (1941) by F. B. Dutton Checked by: Vance Hamilton, East Lansing High School, Michigan and then once more with water. It is dried over Drierite or anhydrous...
Question 1: Design of isothermal reactors 30 Marks The irreversible, gas-phase reaction A+B D is to be carried out...
Question 1: Design of isothermal reactors 30 Marks The irreversible, gas-phase reaction A+B D is to be carried out in an isotherma °C) plug-flow reactor (PFR) at 5.0 atm. The mole fractions of the feed streams are A 0 B 0.50, and inerts 0.30. The activation energy for the above reaction is 80 000 cal/mol. the pressure drop due to fluid friction in the reactor is so small that it can be ignored, perform the following tasks: 2T a s...
LAB 2A SEPARATION OF LIQUIDS BY SIMPLE DISTILLATION ANALYSIS BY GAS CHROMATOGRAPHY LAB 2A Pre-Lab Questions...
LAB 2A SEPARATION OF LIQUIDS BY SIMPLE DISTILLATION ANALYSIS BY GAS CHROMATOGRAPHY LAB 2A Pre-Lab Questions NAME DATE LAB SECTION Answer the following questions in the pre-lab section of your notebook. 1. Which compound, acetone or 1-propanol, has the higher boiling point? Why? 2. Do you expect acetone to be soluble in 1-propanol? Why or why not? Model: For this question, you will be graded on completion, rather than correctness of the model. In the post-lab, you will be asked...
DATAfile: AirDelay You may need to use the appropriate technology to answer this question Researchers at Purdue Univers...
DATAfile: AirDelay You may need to use the appropriate technology to answer this question Researchers at Purdue University and Wichita State University found that airlines are doing a better job Southwest Airlines were among the leaders were these flights late? Sample data showing the number of minutes that delayed flights were late are provided in the file named AirDelay. Data are shown for both airlines. Assume getting passengers to their destinations on time.t AirTran Airways and on-time arrivals with both...
Organic Chemistry Lab Experiment 117-02 Distillation and Boiling Points- POST LAB WORKSHEET (5 pts) Consider the phase diagram below for miscible liquids 'A' and 'B 4. 120 110 100 90 80 70 0 mol% A 20 40 80 60 100 100 mol% B 60 80 40 20 a) What is the boiling point of pure 'A'? b) What is the boiling point of pure 'B'? c) What is the boiling point of an 50:50 mixture of 'A' and 'B'? d)...
Consider the phase diagram below for a mixture of chloroform and methanol, looking at how the boiling point changes with composition at constant pressure. If you started with a solution that was Xchloroform = 0.1 at a temperature of 333 K, is it possible to use fractional distillation to purify this solution to nearly 100% chloroform? Approximately what concentration (in mole fraction) would you expect you could achieve through fractional distillation? Curves calculated by mod. UNIFAC (Dortmund) Temperature Minimum Azeotrope...
Ethanol boils at 78.4°C, water boils at 100°C, but it forms a positive azeotrope that boils at 78.2°C, which is lower than for either of its constituents. If you start from a mash that has 10% alcohol content, how many distillation steps do you require to get to 40% alcohol (typical for Vodka)? (use the figure below to sketch the steps). How many steps would be required to make Whiskey with 60% alcohol? Why can you not make a solution...
Question 1 Suppose two liquids (A and B) are mixed together and a phase diagram constructed for this real solution (shown in green in the graph on the next page). Vapour pressure lines are also drawn in blue for the ideal version of this solution. a) Calculate the mole fraction of B in a solution where 4.6 moles of A is mixed with 3.6 moles of В. b) What has the higher vapour pressu re, the real solution or the...
Question 1: Using the copper-silver phase diagram in Figure 1 a. What is the eutectic composition Starting from a molten miture with 80 w1% silver at 110rcyou cool the mature slowly. b. At what temperature will first solids occur ? C What is the composition of the first sollids? d. What is the percent solids at 80007 e. What is the composition at 600C ? 1084,5 (Cul 1.9 500 400 Cu 10 20 30 4 50 60 0 80 90...
In the synthesis of dimethylmaleate, answer the following
question:
How would you propose to characterize product of this reaction?
For example: What differences in IR/NMR spectra would you see
between starting material (maleic anhydride) and obtained
product?
SYNTHESIS OF DIMETHYLMALEATE A Chem Ed TESTED DEMONSTRATION Rewritten from: Oliver Grummill, THIS JOURNAL, 18, 447 (1941) by F. B. Dutton Checked by: Vance Hamilton, East Lansing High School, Michigan and then once more with water. It is dried over Drierite or anhydrous...
Question 1: Design of isothermal reactors 30 Marks The irreversible, gas-phase reaction A+B D is to be carried out in an isotherma °C) plug-flow reactor (PFR) at 5.0 atm. The mole fractions of the feed streams are A 0 B 0.50, and inerts 0.30. The activation energy for the above reaction is 80 000 cal/mol. the pressure drop due to fluid friction in the reactor is so small that it can be ignored, perform the following tasks: 2T a s...
LAB 2A SEPARATION OF LIQUIDS BY SIMPLE DISTILLATION ANALYSIS BY GAS CHROMATOGRAPHY LAB 2A Pre-Lab Questions NAME DATE LAB SECTION Answer the following questions in the pre-lab section of your notebook. 1. Which compound, acetone or 1-propanol, has the higher boiling point? Why? 2. Do you expect acetone to be soluble in 1-propanol? Why or why not? Model: For this question, you will be graded on completion, rather than correctness of the model. In the post-lab, you will be asked...
DATAfile: AirDelay You may need to use the appropriate technology to answer this question Researchers at Purdue University and Wichita State University found that airlines are doing a better job Southwest Airlines were among the leaders were these flights late? Sample data showing the number of minutes that delayed flights were late are provided in the file named AirDelay. Data are shown for both airlines. Assume getting passengers to their destinations on time.t AirTran Airways and on-time arrivals with both...
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