This question is from a post lab in which cyclohexanol was dehydrated to make cyclohexene. We...
This question is from a post lab in which cyclohexanol was dehydrated to make cyclohexene. We did this by combining phosphoric acid and cyclohexanol and then performing a steam distillation.
- In your own words, what is Le Chatelier’s principle and explain what happens to the dynamic equilibrium of the system as the cyclohexene is distilled to the receiver flask?
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This question is from a post lab in which cyclohexanol was
dehydrated to make cyclohexene. We...
based on the amount of cyclohexanol used in the procedure, calculate the theoretical yield of cyclohexene...
based on the amount of cyclohexanol used in the procedure,
calculate the theoretical yield of cyclohexene product. show all
work.
info attached below
ОН Н,РО,. H2SO + Н,о Procedure Cyclohexanol (10 g) is weighed into a 50 mL round-bottom three-necked flask, while avoiding getting the liquid on the ground-glass joint. To this is added 2.5 mL of 85% phosphoric acid along with two drops of sulfuric acid (again, avoiding getting the liquids on the joint) and a few boiling stones....
Section/Group: Post-Lab: Experiment 8 1. Draw the structure of the major product that would be obtained from the d...
Section/Group: Post-Lab: Experiment 8 1. Draw the structure of the major product that would be obtained from the dehydration of 3. 5-dimethylcyclohexanol 2. In what way did the use of the sodium chloride solution and the separating funnel assist to purify the cyclohexene? See Figure 8.12. Initial distilate with NaCl for pre-drying Upper organic layer (mostly cyclohexene) OG79 Nach NS CH Na co Na Lower aqueous layer (mainly H,0) opangoסניוור CH SCH Figure 8.12. Sodium Chloride for pre-drying. Tests for...
Post lab question help. This lab was about extracting limonene from orange peels. Chemical tests were...
Post lab question help. This lab was about extracting limonene from
orange peels. Chemical tests were then done with limonene using Br2
and MnO4.
a. A pure sample of (R)-limonene has a specific rotation of +125.6". If a sample had a specific rotation of +80.4º, how much of each enantiomer is present in the sample? Show your work b. Why is a large excess of water used in the distilling flask in the steam distillation of limonene? c. After your...
Please help with the question that I have circled in red. This is from a lab...
Please help with the question that I have circled in red. This
is from a lab I did and I have included the entire handout in case
it helps you to answer the question.
2015 Chem 263 2-Credit Org Lab 6T: Dehydration of Cyclohexanol to Cyclohexene Lab 6T w lecture you recently learned that alkenes undergo acid-catalyzed addition of H20 (hydration of the alkene) to yield alcohols. This lab with illustrate the same chemistry in reverse; the microscopic reverse of...
I need help with this post lab from Orgo. Anyone please help me. I have included...
I need help with this post lab from Orgo. Anyone please help
me. I have included the procedure from experiment, but let me know
if there is anything to add on this. Thank you
1. Write the overall balanced chemical equation (not the mechanism) for the reaction you carried out in this experiment. Equation must be charge and mass balanced. Use structures not molecular formula. (3 pts) Part A Table 2: Complete this table (15 pts) 2-methyl cyclohexanol cycloalkene Molecular...
Working on the questions at the end of this lab report (see above). I need help answering questio...
Working on the questions at the end of this lab report
(see above). I need help answering questions 2, 3, and 4 completely
and thoroughly. Thank you!
s, until the I hexano 1 clean disti CYCLOHEXENE from CYCLOHEXANOL be dehydrated with solfuric acid to yield cyclohexene and waterf Add a 0°C (record ct and cal H,SO + H20 ainer. s in purification of any crude product are (a) the preliminary separation of the product from the reaction mixture by distillation...
(4 pts) (4 pts) (4 pts) (1 pts) 5. Calculations 6. Conclusions 7. Post lab Questions...
(4 pts) (4 pts) (4 pts) (1 pts) 5. Calculations 6. Conclusions 7. Post lab Questions 8. TA signature POST LAB QUESTIONS: 1. Why do we add methanol to the reaction if we see a purple ring? 2. What reaction is occurring with the methanol (show reaction)? Does this reactior affect your product? 3. Why do you get a precipitate when adding the HCl to make the solution acidic? Exp 8-5 Experiment 8: Preparation of Adipic Acid from Cyclohexene Oxidation...
6. Post-Lab Assignment (35 pts) You MUST turn this paper in to your TA at the...
6. Post-Lab Assignment (35 pts) You MUST turn this paper in to your TA at the start of the NEXT LAB YOUR Name: Lab room: Partner Name: Lab time TA Name: If you did not collect any data or are missing some data to complete this post-lab, then give your source of data here and give a brief explanation why you have missing data. If you use your own data you can go straight to question 1, no need to...
help on number 3 here is lab we did EXPERIMENT 19 An Analysis of Commercial Antacids...
help on number 3 here is lab we did
EXPERIMENT 19 An Analysis of Commercial Antacids Rolaids Alka Seltzer OBJECTIVES: Determine the per gram neutralizing ability of a commercial antacio Determine the per gram neutralizing ability of sodium bicarbonate Compare the effectiveness of several antacids. INTRODUCTION: "How do you spell relief two hecimie The parietal cells in the stomach secrete sufficient hydrochloric aci 0.10 M The flow of HCl increases when food enters the stomach and so acid secrete sufficient...
Bio 121 I need to make (yeast fermentation) lab report. This is the lab experiment and...
Bio 121
I need to make (yeast fermentation) lab
report.
This is the lab experiment and results:
This is a guide to making the lab report:
General Biology BIO121 Yeast Fermentation Lab Introduction Organisms stay alive by the utilization of energy through metabolism. The energy acquiring pathways in photosynthesis convert radiant energy from the sun into the chemical bond energy of carbohydrates. This photosynthetic process is limited to the producers or autotrophs, which include plants, photosynthetic bacteria and some protists....
based on the amount of cyclohexanol used in the procedure,
calculate the theoretical yield of cyclohexene product. show all
work.
info attached below
ОН Н,РО,. H2SO + Н,о Procedure Cyclohexanol (10 g) is weighed into a 50 mL round-bottom three-necked flask, while avoiding getting the liquid on the ground-glass joint. To this is added 2.5 mL of 85% phosphoric acid along with two drops of sulfuric acid (again, avoiding getting the liquids on the joint) and a few boiling stones....
Section/Group: Post-Lab: Experiment 8 1. Draw the structure of the major product that would be obtained from the dehydration of 3. 5-dimethylcyclohexanol 2. In what way did the use of the sodium chloride solution and the separating funnel assist to purify the cyclohexene? See Figure 8.12. Initial distilate with NaCl for pre-drying Upper organic layer (mostly cyclohexene) OG79 Nach NS CH Na co Na Lower aqueous layer (mainly H,0) opangoסניוור CH SCH Figure 8.12. Sodium Chloride for pre-drying. Tests for...
Post lab question help. This lab was about extracting limonene from
orange peels. Chemical tests were then done with limonene using Br2
and MnO4.
a. A pure sample of (R)-limonene has a specific rotation of +125.6". If a sample had a specific rotation of +80.4º, how much of each enantiomer is present in the sample? Show your work b. Why is a large excess of water used in the distilling flask in the steam distillation of limonene? c. After your...
Please help with the question that I have circled in red. This
is from a lab I did and I have included the entire handout in case
it helps you to answer the question.
2015 Chem 263 2-Credit Org Lab 6T: Dehydration of Cyclohexanol to Cyclohexene Lab 6T w lecture you recently learned that alkenes undergo acid-catalyzed addition of H20 (hydration of the alkene) to yield alcohols. This lab with illustrate the same chemistry in reverse; the microscopic reverse of...
I need help with this post lab from Orgo. Anyone please help
me. I have included the procedure from experiment, but let me know
if there is anything to add on this. Thank you
1. Write the overall balanced chemical equation (not the mechanism) for the reaction you carried out in this experiment. Equation must be charge and mass balanced. Use structures not molecular formula. (3 pts) Part A Table 2: Complete this table (15 pts) 2-methyl cyclohexanol cycloalkene Molecular...
Working on the questions at the end of this lab report
(see above). I need help answering questions 2, 3, and 4 completely
and thoroughly. Thank you!
s, until the I hexano 1 clean disti CYCLOHEXENE from CYCLOHEXANOL be dehydrated with solfuric acid to yield cyclohexene and waterf Add a 0°C (record ct and cal H,SO + H20 ainer. s in purification of any crude product are (a) the preliminary separation of the product from the reaction mixture by distillation...
(4 pts) (4 pts) (4 pts) (1 pts) 5. Calculations 6. Conclusions 7. Post lab Questions 8. TA signature POST LAB QUESTIONS: 1. Why do we add methanol to the reaction if we see a purple ring? 2. What reaction is occurring with the methanol (show reaction)? Does this reactior affect your product? 3. Why do you get a precipitate when adding the HCl to make the solution acidic? Exp 8-5 Experiment 8: Preparation of Adipic Acid from Cyclohexene Oxidation...
6. Post-Lab Assignment (35 pts) You MUST turn this paper in to your TA at the start of the NEXT LAB YOUR Name: Lab room: Partner Name: Lab time TA Name: If you did not collect any data or are missing some data to complete this post-lab, then give your source of data here and give a brief explanation why you have missing data. If you use your own data you can go straight to question 1, no need to...
help on number 3 here is lab we did
EXPERIMENT 19 An Analysis of Commercial Antacids Rolaids Alka Seltzer OBJECTIVES: Determine the per gram neutralizing ability of a commercial antacio Determine the per gram neutralizing ability of sodium bicarbonate Compare the effectiveness of several antacids. INTRODUCTION: "How do you spell relief two hecimie The parietal cells in the stomach secrete sufficient hydrochloric aci 0.10 M The flow of HCl increases when food enters the stomach and so acid secrete sufficient...
Bio 121
I need to make (yeast fermentation) lab
report.
This is the lab experiment and results:
This is a guide to making the lab report:
General Biology BIO121 Yeast Fermentation Lab Introduction Organisms stay alive by the utilization of energy through metabolism. The energy acquiring pathways in photosynthesis convert radiant energy from the sun into the chemical bond energy of carbohydrates. This photosynthetic process is limited to the producers or autotrophs, which include plants, photosynthetic bacteria and some protists....
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