Homework Answers
1. According to Gay-Lussac's Law the pressure of a given mass of gas is directly proportional to the absolute temperature of the gas, when the volume of gas is kept constant.
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Prelaboratory Assignment: Experiment 22 Determination of Absolute Zero All numerical answers should be given to the...
Prelaboratory Assignment: Experiment 22 Determination of Absolute Zero All numerical answers should be given to the...
Prelaboratory Assignment: Experiment 22 Determination of Absolute Zero All numerical answers should be given to the correct number of significant digits. 1. What is Gay-Lussac's Law? A low stating that the volumes of goses undergoing a reaction at constant pressure and tempreure are in a Simple ratio to each other and to that of the product 2. What is the temperature of the alcohol/dry ice slurry? What precaution(s) should be taken in working with the slurry? 3. What is the...
Name Lab Section Prelaboratory Assignment: Experiment 22 Determination of Absolute Zero All numerical awwers should be...
Name Lab Section Prelaboratory Assignment: Experiment 22 Determination of Absolute Zero All numerical awwers should be given to the correct number of significa digits 1. What is Gay-Lussac's Law? 2. What is the temperature of the alcohol dry ice slurry? What precautions) should be taken in working with the slurry? 3. What is the boiling point of liquid nitrogen? What precaution(s) should be taken in working with liquid nitrogen? 4. Why must the gas container be submerged slowly when you...
- P2 2. What is the temperature of the alcohol/dry ice slurry? What precaution() should be...
- P2 2. What is the temperature of the alcohol/dry ice slurry? What precaution() should be taken in working with the slurry? 3. What is the boiling point of liquid nitrogen? What precaution(s) should be taken in working with liquid nitrogen? 4. Why must the gas container be submerged slowly when you place it in liquid nitrogen? 5. What is the definition of temperature as it pertains to the motion of gas particles? Experiment 22 Absolute Zero of Temperatur
weight of cylinder 10.48g weight of cylinder with of isopentyl alcohol 14.55g weight of collecting flask...
weight of cylinder 10.48g
weight of cylinder with of isopentyl alcohol 14.55g
weight of collecting flask 56.77 g
weight of collecting flask with product 60.42g
I need help getting theoretical yield and % yield.
Experiment 12 Isopentyl Acetate (Banana Oil) 93 Rasmussen, P. W. Qualitative Analysis by Gas Chromatography-G.C. versus the Nose in Formu- lation of Artificial Fruit Flavors." Journal of Chemical Education, 61 (January 1984): 62. Shreve, R. N., and Brink, J. Chemical Process Industries, 4th ed. New York:...
QUESTIONS TO ANSWER: Prepare a table of all chemicals used with the structure and purpose of...
QUESTIONS TO ANSWER:
Prepare a table of all chemicals used with the structure and
purpose of each.
Calculate the theoretical yield by finding limiting reactant of
the experiment by converting reactants to product (remember to show
all calculations used)
Calculate the percent yield using the limiting reactant
Calculate the Rf for triphenylmethanol. If there are two dots,
determine which one is triphenylmethanol.. ( I did not provide
data. Please let me know how I Would do this if I did)...
please find the purpse, Discussion, conclusion un 27 Phoenix June 20 8:10 PM a 35AEXPERIMENT 35A...
please find the purpse, Discussion, conclusion
un 27 Phoenix June 20 8:10 PM a 35AEXPERIMENT 35A Triphenylmethanol PROCEDURE ether MgBr+ C-OH + MgBr(OH) OMgBr 0 Addct Addition of Benzophenone While the phenylmagnesium bromide solution is being heated and stirred under reflux, make a solution of 1.09 g benzophenone in 2 mL of anhrudrous ether in a 5-mL conical vial. Cap the vial until the reflux period is over. Once the Grignard reagent is cooled to room temperature, draw some of...
PREPARATION OF PHARMACEUTICALS - Fischer Esterification Reactions Q: Calculate the expected mass of both methyl salicylate and aspirin assuming 100% yield. EXPERIMENT7 PREPARATION OF PHARMACEUTICALS...
PREPARATION OF PHARMACEUTICALS - Fischer Esterification
Reactions
Q: Calculate the expected mass of both methyl salicylate and
aspirin assuming 100% yield.
EXPERIMENT7 PREPARATION OF PHARMACEUTICALS Fischer Esterification Reactions Almost 2500 years ago, physicians such as Hippocrates recommended that patients chew on the bark of the willow to alleviate pain. The active ingredient in willow bark was found to be salicin, a compound made of a molecule of salicyl alcohol bonded to a p-D-glucose molecule. In the stomach, the bond between...
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...
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepa...
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
Prelaboratory Assignment: Experiment 22 Determination of Absolute Zero All numerical answers should be given to the correct number of significant digits. 1. What is Gay-Lussac's Law? A low stating that the volumes of goses undergoing a reaction at constant pressure and tempreure are in a Simple ratio to each other and to that of the product 2. What is the temperature of the alcohol/dry ice slurry? What precaution(s) should be taken in working with the slurry? 3. What is the...
Name Lab Section Prelaboratory Assignment: Experiment 22 Determination of Absolute Zero All numerical awwers should be given to the correct number of significa digits 1. What is Gay-Lussac's Law? 2. What is the temperature of the alcohol dry ice slurry? What precautions) should be taken in working with the slurry? 3. What is the boiling point of liquid nitrogen? What precaution(s) should be taken in working with liquid nitrogen? 4. Why must the gas container be submerged slowly when you...
- P2 2. What is the temperature of the alcohol/dry ice slurry? What precaution() should be taken in working with the slurry? 3. What is the boiling point of liquid nitrogen? What precaution(s) should be taken in working with liquid nitrogen? 4. Why must the gas container be submerged slowly when you place it in liquid nitrogen? 5. What is the definition of temperature as it pertains to the motion of gas particles? Experiment 22 Absolute Zero of Temperatur
weight of cylinder 10.48g
weight of cylinder with of isopentyl alcohol 14.55g
weight of collecting flask 56.77 g
weight of collecting flask with product 60.42g
I need help getting theoretical yield and % yield.
Experiment 12 Isopentyl Acetate (Banana Oil) 93 Rasmussen, P. W. Qualitative Analysis by Gas Chromatography-G.C. versus the Nose in Formu- lation of Artificial Fruit Flavors." Journal of Chemical Education, 61 (January 1984): 62. Shreve, R. N., and Brink, J. Chemical Process Industries, 4th ed. New York:...
QUESTIONS TO ANSWER:
Prepare a table of all chemicals used with the structure and
purpose of each.
Calculate the theoretical yield by finding limiting reactant of
the experiment by converting reactants to product (remember to show
all calculations used)
Calculate the percent yield using the limiting reactant
Calculate the Rf for triphenylmethanol. If there are two dots,
determine which one is triphenylmethanol.. ( I did not provide
data. Please let me know how I Would do this if I did)...
please find the purpse, Discussion, conclusion
un 27 Phoenix June 20 8:10 PM a 35AEXPERIMENT 35A Triphenylmethanol PROCEDURE ether MgBr+ C-OH + MgBr(OH) OMgBr 0 Addct Addition of Benzophenone While the phenylmagnesium bromide solution is being heated and stirred under reflux, make a solution of 1.09 g benzophenone in 2 mL of anhrudrous ether in a 5-mL conical vial. Cap the vial until the reflux period is over. Once the Grignard reagent is cooled to room temperature, draw some of...
PREPARATION OF PHARMACEUTICALS - Fischer Esterification
Reactions
Q: Calculate the expected mass of both methyl salicylate and
aspirin assuming 100% yield.
EXPERIMENT7 PREPARATION OF PHARMACEUTICALS Fischer Esterification Reactions Almost 2500 years ago, physicians such as Hippocrates recommended that patients chew on the bark of the willow to alleviate pain. The active ingredient in willow bark was found to be salicin, a compound made of a molecule of salicyl alcohol bonded to a p-D-glucose molecule. In the stomach, the bond between...
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...
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
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