If you were to scale the liquid CO2 extraction to a large scale extraction, what factors...
If you were to scale the liquid CO2 extraction to a large scale extraction, what factors would you consider in order to make the process green?
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If you were to scale the liquid CO2 extraction to a large scale
extraction, what factors...
Pre-Lab Questions of Exp.4 Extraction (liquid-liquid and liquid –solid) Define extraction? How you choose solvent for...
Pre-Lab Questions of Exp.4 Extraction (liquid-liquid and liquid –solid) Define extraction? How you choose solvent for proper extraction? What is the difference between liquid-liquid and liquid-solid extraction? What are nutrients? Give two examples
What is significance of understanding miscibility of solvents during Liquid-liquid extraction process? Use an example to...
What is significance of understanding miscibility of solvents during Liquid-liquid extraction process? Use an example to explain.
Post-Lab Report Extraction of Caffeine from Tea Leaves 1. What is liquid-liquid extraction? Explain its principle...
Post-Lab Report Extraction of Caffeine from Tea Leaves
1. What is liquid-liquid extraction? Explain its principle and show illustrations. 2. What are alkaloids and xanthines? 3. Aside from being a natural stimulant, what are the other effects of caffeine in the human body? 4. What are tannins? What are the manifestations of tannins in tea? why is it necessary to boil the solution when extracting the components from the tea leaves? 6. What can be done to avoid tannins from...
Explain why you would use NaOH for a liquid-liquid extraction of 2-phenylphenol. Explain in terms of...
Explain why you would use NaOH for a liquid-liquid extraction of 2-phenylphenol. Explain in terms of intermolecular interactions, pH and compound structure.
Green Chemistry Extension What are the components of a green extraction? 18. Which of 12 Principl...
Green Chemistry Extension What are the components of a green extraction? 18. Which of 12 Principles of Green Chemistry did you utilize in this experiment? Explain your choices. Green Chemistry Principle Inneritanty safe We usea solvcnts thatwcre not toxic, Justification 0 we uscd inner:tanty Saie chemistriy ofer solvent s were usea 4hs experimen r Chemistvy Sofer solvcm Ronewable to conduct safe evtracrions whitu shn noi the revarionsni Renewabic fecastackswas usea be couse the eytracted curcumin comes from reneab Reedstocks -feedstocks...
1)When you perform a liquid-liquid extraction using a separatory funnel, which of the following organic solvent...
1)When you perform a liquid-liquid extraction using a separatory funnel, which of the following organic solvent is on the bottom of the aqueous phase and which is on top? (write your answer by the solvent name) a) Ethyl acetate b) hexane c) Dichloromethane d) diethyl ether 2) If you are performing a liquid-liquid extraction and you have a mix of a carboxylic acid and a non-acidic compound, which combination of solvents would you use for the separation? a) dichloromethane/HCI b)...
Assignment: CO2 extraction of Eugenol 1. Which one of the following two compounds would you expect to have a higher sol...
Assignment: CO2 extraction of Eugenol 1. Which one of the following two compounds would you expect to have a higher solubility in liquid CO2. Explain your reasoning in a few sentences: HO. HC I CH ON CH3 Capsaicin Caffeine 2. Explain why percent recovery is utilized in the CO2 extraction of Eugenol as opposed to a theoretical yield. Limit yourself to 1-3 sentences. H3CO 3. List 3 signals that should be observed in the IR spectrum of Eugenol (whose structure...
1. What is an emulsion? How would an emulsion form during a liquid/liquid extraction? 2. Draw...
1. What is an emulsion? How would an emulsion form during a liquid/liquid extraction? 2. Draw the structure for caffeine. What part of caffeine is basic? 3. What form is caffeine in when dissolved in soda? Draw the structure.
3. In a liquid-liquid extraction with water and ethyl acetate, which phase would you expect each...
3. In a liquid-liquid extraction with water and ethyl acetate, which phase would you expect each compound below to be dissolved in? In each case briefly justify your answer. [12 points] (a) Eugenol (b) Naphthalene (c) Sodium Acetate (d) LiCI
2. Explain why percent recovery is utilized in the CO2 extraction of Eugenol as opposed to...
2. Explain why percent recovery is utilized in the CO2
extraction of Eugenol as opposed to a theoretical yield. Limit
yourself to 1-3 sentences.
Name: Dale: Recitation Assignment: CO, extraction ol Eugenol Due: October 27" al 5:00 pm 1. Which one cl the lollowing two compounds would you expect to have a higher solubility in liquid CO2. Explain your reasoning in a l'ew sentences: Ma Y Cho CH3 Caffeine Capsaicin 2. Explain wliy percent ICCovery is utilized in the CO,...
Post-Lab Report Extraction of Caffeine from Tea Leaves
1. What is liquid-liquid extraction? Explain its principle and show illustrations. 2. What are alkaloids and xanthines? 3. Aside from being a natural stimulant, what are the other effects of caffeine in the human body? 4. What are tannins? What are the manifestations of tannins in tea? why is it necessary to boil the solution when extracting the components from the tea leaves? 6. What can be done to avoid tannins from...
Green Chemistry Extension What are the components of a green extraction? 18. Which of 12 Principles of Green Chemistry did you utilize in this experiment? Explain your choices. Green Chemistry Principle Inneritanty safe We usea solvcnts thatwcre not toxic, Justification 0 we uscd inner:tanty Saie chemistriy ofer solvent s were usea 4hs experimen r Chemistvy Sofer solvcm Ronewable to conduct safe evtracrions whitu shn noi the revarionsni Renewabic fecastackswas usea be couse the eytracted curcumin comes from reneab Reedstocks -feedstocks...
1)When you perform a liquid-liquid extraction using a separatory funnel, which of the following organic solvent is on the bottom of the aqueous phase and which is on top? (write your answer by the solvent name) a) Ethyl acetate b) hexane c) Dichloromethane d) diethyl ether 2) If you are performing a liquid-liquid extraction and you have a mix of a carboxylic acid and a non-acidic compound, which combination of solvents would you use for the separation? a) dichloromethane/HCI b)...
Assignment: CO2 extraction of Eugenol 1. Which one of the following two compounds would you expect to have a higher solubility in liquid CO2. Explain your reasoning in a few sentences: HO. HC I CH ON CH3 Capsaicin Caffeine 2. Explain why percent recovery is utilized in the CO2 extraction of Eugenol as opposed to a theoretical yield. Limit yourself to 1-3 sentences. H3CO 3. List 3 signals that should be observed in the IR spectrum of Eugenol (whose structure...
3. In a liquid-liquid extraction with water and ethyl acetate, which phase would you expect each compound below to be dissolved in? In each case briefly justify your answer. [12 points] (a) Eugenol (b) Naphthalene (c) Sodium Acetate (d) LiCI
2. Explain why percent recovery is utilized in the CO2
extraction of Eugenol as opposed to a theoretical yield. Limit
yourself to 1-3 sentences.
Name: Dale: Recitation Assignment: CO, extraction ol Eugenol Due: October 27" al 5:00 pm 1. Which one cl the lollowing two compounds would you expect to have a higher solubility in liquid CO2. Explain your reasoning in a l'ew sentences: Ma Y Cho CH3 Caffeine Capsaicin 2. Explain wliy percent ICCovery is utilized in the CO,...
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