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You may attempt this question 2 more times for credit. Note that carboxylic acid is used in slight excess (mol alcohol...
You add 0.58 mL of n-propanol (0.803 g/mL, 60.1 g/mol) to an excess of acetic acid...
You add 0.58 mL of n-propanol (0.803 g/mL, 60.1 g/mol) to an excess of acetic acid to create the pear ester propyl acetate (102.1 g/mol). If you obtain 0.53 grams of the product, what was your percent yield? You react acetic acid with an unknown alcohol, and obtain the following NMR of the product. What is the unknown alcohol? LLLLLLLL LES LL 20 1-butanol (CH3CH2CH2CH2OH) 2-propanol (CH3)2CHOH) 1-propanol (CH3CH2CH20H) 2-methyl-1-propanol (CH3)2CHCH2OH) 2 butanol (CH3CHOHCH2OHCH) 3 Mi Consider the below general...
1. (27 pts) Shown below is the condensation of 4-methylbenzene-1,2-diamine and 4- methyl-pentanoic acid. The amounts of each starting material used in the reaction are given. Also, the amount of...
1. (27 pts) Shown below is the condensation of 4-methylbenzene-1,2-diamine and 4- methyl-pentanoic acid. The amounts of each starting material used in the reaction are given. Also, the amount of product obtained from the reaction is indicated Please answer each of the following questions. Show all of your work in order to obtain full credit NH2 intmdt + H2O но NH2 5-Methyl-2-(3-methyl-buty)- 1H-benzoimidazole 4-methyl- pentanoic acid C$H1202 Mol. WI: 116 2 density 0.92 g/ml ene- 1.2-diamine C13H18N2 Mol. Wt.: 202.3...
1. How many moles are contained in 2.50 grams of benzoic acid? Molar mass of benzoic...
1. How many moles are contained in 2.50 grams of benzoic acid? Molar mass of benzoic acid: 122.12 g/mol 2. How many mL are in 0.5 grams of cyclohexene? Density of cyclohexene is 0.809 g/ml 3. How many moles are in 250 mL of 2 M sodium hydroxide? 4. If 5.0 mL of 2-methyl-2-butanol are allowed to react with an excess of concentrated hydrochloric acid, what is the maximum mass of 2-chloro-2-methylbutane that can be obtained? 5. An acid-catalyzed dehydration...
5.8 g of 1,4-di-t-butyl-2,5-dimethoxynezene (250.37 g/mol) were synthesized by reacting 10.5 mL of t-butyl alcohol (MW...
5.8 g of
1,4-di-t-butyl-2,5-dimethoxynezene
(250.37 g/mol) were synthesized by reacting
10.5 mL of t-butyl alcohol (MW 74.12 g/mol, D
0.79 g/mL), 25 mL of concentrated sulfuric
acid (MW 98.08 g/mol, D 1.84
g/mL), and 5.9 g of 1,4-dimethoxybenzene (MW
138.17 g/mol) together. Calculate the percent
yield of this reaction.
Question 1 2 pts 5.8 g of 1,4-di-t-butyl-2,5-dimethoxynezene (250.373/mol) were synthesized by reacting 10.5 mL oft- butyl alcohol (MW 74.12 3/mol. D 0.795/mL), 25 mL of concentrated sulfuric acid (MW 98.08...
1) 2) 3) question 3 answer choices. You add 0.58 mL of n-propanol (0.803 g/mL, 60.1...
1)
2)
3)
question
3 answer choices.
You add 0.58 mL of n-propanol (0.803 g/mL, 60.1 g/mol) to an excess of acetic acid to create the pear ester propyl acetate (102.1 g/mol). If you obtain 0.53 grams of the product, what was your percent yield? You react acetic acid with an unknown alcohol, and obtain the following NMR of the product. What is the unknown alcohol? 1.0 20 3.0 4.0 ppm (t1) 1-butanol (CH3CH2CH2CH2OH) O 2-propanol ((CH3)2CHOH) O 1-propanol (CH3CH2CH2OH)...
Volume of 2-methyl-2-butanol used 2.25 mL (measured to 2 decimal places) Density of 2-methyl-2-butanol_0.806_ (at 25°C)...
Volume of 2-methyl-2-butanol used 2.25 mL (measured to 2 decimal places) Density of 2-methyl-2-butanol_0.806_ (at 25°C) Mol. Wt. of 2-methyl-2-butanol_$8.15 21 Volume of Hydrochloric Acid used 5.05 mL_(measured to 2 decimal places) Molarity of Hydrochloric acid used 12.1 l) (Usually 12.1 M but double check.) Mol. Wt. of 2-chloro-2-methyl-butane 106.59 Mass of product produced ОН + 1 HCI - H20 1. Using complete dimensional analysis, with all units and identifiers, starting with your volume of 2-methyl-2-butanol, show the maximum amount...
Volume of 2-methyl-2-butanol used 2.25 mL (measured to 2 decimal places) Density of 2-methyl-2-butanol_0.806_ (at 25°C)...
Volume of 2-methyl-2-butanol used 2.25 mL (measured to 2 decimal places) Density of 2-methyl-2-butanol_0.806_ (at 25°C) Mol. Wt. of 2-methyl-2-butanol_$8.15 21 Volume of Hydrochloric Acid used 5.05 mL_(measured to 2 decimal places) Molarity of Hydrochloric acid used 12.1 l) (Usually 12.1 M but double check.) Mol. Wt. of 2-chloro-2-methyl-butane 106.59 Mass of product produced ОН + 1 HCI - H20 1. Using complete dimensional analysis, with all units and identifiers, starting with your volume of 2-methyl-2-butanol, show the maximum amount...
List Notes You may attempt this question 4 more times for credit Score: Sorry, you are...
List Notes You may attempt this question 4 more times for credit Score: Sorry, you are incorrect Answer(s): (Your response(s) are shown below.) Question 8.33 em tion The acid-catalyzed addition of alcohols to alkenes occurs via a mechanism analogous to acid-catalyzed alkene hydration. The reaction occurs in 3 1) Addition of H to the alkene, together with any possible carbocation rearrangements: 2) Addition of the alcohol to the carbocation: 3) Deprotonation to yield the product ether ation sage tages Draw...
Interprate the given spectra for bicyclo(2.2.1)hept-5-ene-2-carboxylic acid methyl ester, fill out the table and answer the...
Interprate the given spectra for
bicyclo(2.2.1)hept-5-ene-2-carboxylic acid methyl ester, fill out
the table and answer the following questions.
IH NMR Chemical Atom Shift (6) Multiplicity Peak Atom Chemical Shift (5) Multiplicity 171 Structure: 6.03 5.76 m 1 8 1.41 3 3.695 3.23 2.96 m Bicyclo[2.2.1 jhep 1-5-ene-2- carboxylic acid methyl ester Specify the multiplicity as a singlet (8), doublet (d), triplet (t), quartet (Q), or multiplet (m), Specify the number of hydrogens associated with each peak. *C NMR Atom Chemical...
Question 2 Salicylic acid, HC,H,0, is a chemical compound used in many facial cleansing products. Figure 2. Stru...
Question 2 Salicylic acid, HC,H,0, is a chemical compound used in many facial cleansing products. Figure 2. Structure of Salicylic Acid a) Identify the ionizable hydrogen (HA or Hg) with the correct pk НА lonizable Hydrogen pK, 2.97 HA 13.7 :91 3 19- 10 b) The solubility of salicylic acid in water is 0.210-96 HC,HsOs by mass. What is the pH of an aqueous solution of salicylic acid at saturation? (Assume the density of the solution is 1.00 g/mL). 2-U...
You add 0.58 mL of n-propanol (0.803 g/mL, 60.1 g/mol) to an excess of acetic acid to create the pear ester propyl acetate (102.1 g/mol). If you obtain 0.53 grams of the product, what was your percent yield? You react acetic acid with an unknown alcohol, and obtain the following NMR of the product. What is the unknown alcohol? LLLLLLLL LES LL 20 1-butanol (CH3CH2CH2CH2OH) 2-propanol (CH3)2CHOH) 1-propanol (CH3CH2CH20H) 2-methyl-1-propanol (CH3)2CHCH2OH) 2 butanol (CH3CHOHCH2OHCH) 3 Mi Consider the below general...
1. (27 pts) Shown below is the condensation of 4-methylbenzene-1,2-diamine and 4- methyl-pentanoic acid. The amounts of each starting material used in the reaction are given. Also, the amount of product obtained from the reaction is indicated Please answer each of the following questions. Show all of your work in order to obtain full credit NH2 intmdt + H2O но NH2 5-Methyl-2-(3-methyl-buty)- 1H-benzoimidazole 4-methyl- pentanoic acid C$H1202 Mol. WI: 116 2 density 0.92 g/ml ene- 1.2-diamine C13H18N2 Mol. Wt.: 202.3...
5.8 g of
1,4-di-t-butyl-2,5-dimethoxynezene
(250.37 g/mol) were synthesized by reacting
10.5 mL of t-butyl alcohol (MW 74.12 g/mol, D
0.79 g/mL), 25 mL of concentrated sulfuric
acid (MW 98.08 g/mol, D 1.84
g/mL), and 5.9 g of 1,4-dimethoxybenzene (MW
138.17 g/mol) together. Calculate the percent
yield of this reaction.
Question 1 2 pts 5.8 g of 1,4-di-t-butyl-2,5-dimethoxynezene (250.373/mol) were synthesized by reacting 10.5 mL oft- butyl alcohol (MW 74.12 3/mol. D 0.795/mL), 25 mL of concentrated sulfuric acid (MW 98.08...
1)
2)
3)
question
3 answer choices.
You add 0.58 mL of n-propanol (0.803 g/mL, 60.1 g/mol) to an excess of acetic acid to create the pear ester propyl acetate (102.1 g/mol). If you obtain 0.53 grams of the product, what was your percent yield? You react acetic acid with an unknown alcohol, and obtain the following NMR of the product. What is the unknown alcohol? 1.0 20 3.0 4.0 ppm (t1) 1-butanol (CH3CH2CH2CH2OH) O 2-propanol ((CH3)2CHOH) O 1-propanol (CH3CH2CH2OH)...
Volume of 2-methyl-2-butanol used 2.25 mL (measured to 2 decimal places) Density of 2-methyl-2-butanol_0.806_ (at 25°C) Mol. Wt. of 2-methyl-2-butanol_$8.15 21 Volume of Hydrochloric Acid used 5.05 mL_(measured to 2 decimal places) Molarity of Hydrochloric acid used 12.1 l) (Usually 12.1 M but double check.) Mol. Wt. of 2-chloro-2-methyl-butane 106.59 Mass of product produced ОН + 1 HCI - H20 1. Using complete dimensional analysis, with all units and identifiers, starting with your volume of 2-methyl-2-butanol, show the maximum amount...
Volume of 2-methyl-2-butanol used 2.25 mL (measured to 2 decimal places) Density of 2-methyl-2-butanol_0.806_ (at 25°C) Mol. Wt. of 2-methyl-2-butanol_$8.15 21 Volume of Hydrochloric Acid used 5.05 mL_(measured to 2 decimal places) Molarity of Hydrochloric acid used 12.1 l) (Usually 12.1 M but double check.) Mol. Wt. of 2-chloro-2-methyl-butane 106.59 Mass of product produced ОН + 1 HCI - H20 1. Using complete dimensional analysis, with all units and identifiers, starting with your volume of 2-methyl-2-butanol, show the maximum amount...
List Notes You may attempt this question 4 more times for credit Score: Sorry, you are incorrect Answer(s): (Your response(s) are shown below.) Question 8.33 em tion The acid-catalyzed addition of alcohols to alkenes occurs via a mechanism analogous to acid-catalyzed alkene hydration. The reaction occurs in 3 1) Addition of H to the alkene, together with any possible carbocation rearrangements: 2) Addition of the alcohol to the carbocation: 3) Deprotonation to yield the product ether ation sage tages Draw...
Interprate the given spectra for
bicyclo(2.2.1)hept-5-ene-2-carboxylic acid methyl ester, fill out
the table and answer the following questions.
IH NMR Chemical Atom Shift (6) Multiplicity Peak Atom Chemical Shift (5) Multiplicity 171 Structure: 6.03 5.76 m 1 8 1.41 3 3.695 3.23 2.96 m Bicyclo[2.2.1 jhep 1-5-ene-2- carboxylic acid methyl ester Specify the multiplicity as a singlet (8), doublet (d), triplet (t), quartet (Q), or multiplet (m), Specify the number of hydrogens associated with each peak. *C NMR Atom Chemical...
Question 2 Salicylic acid, HC,H,0, is a chemical compound used in many facial cleansing products. Figure 2. Structure of Salicylic Acid a) Identify the ionizable hydrogen (HA or Hg) with the correct pk НА lonizable Hydrogen pK, 2.97 HA 13.7 :91 3 19- 10 b) The solubility of salicylic acid in water is 0.210-96 HC,HsOs by mass. What is the pH of an aqueous solution of salicylic acid at saturation? (Assume the density of the solution is 1.00 g/mL). 2-U...
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