what would be the molecular weight of the polyamide formed from 11-aminoundecanoamide if the reaction were...
what would be the molecular weight of the polyamide formed from 11-aminoundecanoamide if the reaction were carried to 96% conversion? to 99.9% conversion?
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what would be the molecular weight of the polyamide formed from
11-aminoundecanoamide if the reaction were...
Assume you need to make a new linear, high molecular weight, polyamide or polyester Q. 1...
Assume you need to make a new linear, high molecular weight, polyamide or polyester Q. 1 (a) Give the structures of the polymers that could be formed from the following monomers and in each case identify the repeating unit -NH2 H2N- OH -ОН но. Но 2 NH2 CI H2N 3. НО. ОН Но ОН 4. OH но 5. Describe the issues you must be aware of in order to consistently achieve high (b) molecular weight polyamide or polyester?
Assume you...
If a dinitration product were formed in the reaction, at what position on the ring would...
If a dinitration product were formed in the reaction, at what position on the ring would the second nitro group be added? Explain the reasoning behind your answer and draw relevant resonance structures to reinforce your rationale.
It is desired to prepare polyester with the number average molecular weight, Mn 5000 g/mol by...
It is desired to prepare polyester with the number average molecular weight, Mn 5000 g/mol by reacting of 1 mol butane-1,4 diol (HO-CH-CH2-CH2-CH2-OH) with 1 mol of adipic acid (HOOC-CH2-CH2-CH2-CH2-COOH) (a) Write chemical equation illustrating synthesis of the polyester. (b) Calculate the value of the monomer conversion at which the reaction should be stopped to obtain this polymer, assuming perfect stoichiometric balance. What would be polydispersity index for the polymer obtained? (c) Assuming that 0.5 mol % of the diol...
11. provide the mechanism for the reaction shown. What is the major product formed from the...
11.
provide the mechanism for the reaction shown.
What is the major product formed from the reaction shown? 8. 1. CH3I 2.Ag20, H20 II I Ш IV A. II В. I С. II D.IV E. II and III F. I and IV We were unable to transcribe this imageОн lD 1. LIAID4 +En e. 2. H-О
for each of the following situation, explain in what way the experimentally determine molecular weight would...
for each of the following situation, explain in what way the experimentally determine molecular weight would differ from actual molecular weight a. you neglect to dry the outside of the flask after you have vaporized your unknown liquid.? b. you assume atmospheric pressure is exactly 1 atmosphere?
What is the empirical and molecular formula ? What is the molecular weight ? omputer Unknown...
What is the empirical and molecular formula ? What is the
molecular weight ?
omputer Unknown #10 Physical Properties MP48-51 °C White solid C = 48.27% H=3.54% Sodium Fusion Test A portion of the sedium fi ltrate was treated with and heated. It was then acidified wit was noticed rate was treated with ferrous sulate o acidified with dilute sulfuric acid. No observable change Another portion of the sodium fusion filtrate was treated with te observable change was noticed. on...
What is the empirical and molecular formula ? What is the molecular weight ? Computer Unknown...
What is the empirical and molecular formula ? What is the
molecular weight ?
Computer Unknown # 8 Physical Properties ВP Colorless Liquid Sweet odor C 77.75 % H 7.46 % 200-204 °C Sodium Fusion Test A portion of the sodium fusion filtrate was treated with ferrous sulfate and heated. It was then acidified with dilute sulfuric acid. No observable change Another portion of the sodium fusion filtrate was treated with lead acetate. No observable change was noticed. was noticed....
What is the empirical and molecular formula ? What is the molecular weight ? Computer Unknown...
What is the empirical and molecular formula ? What is the
molecular weight ?
Computer Unknown # 2 Physical Properties BP 180-183 °C Brown Liquid C = 77.38 % H = 7.58 % Sodium Fusion Test A portion of the sodium fusion filtrate was treated with ferrous sulfate heated. It was then acidified with dilute sulfuric acid. An intense blue color was observed. Another portion of the sodium fusion filtrate was treated with lead acetate. No observable change was noticed....
What would be the number-average molecular weight of polystyrene obtained at the completion of an anionic...
What would be the number-average molecular weight of polystyrene obtained at the completion of an anionic (i.e., “living”) polymerization in which 0.01 g of n-butyllithium and 10 g of styrene monomer are used? The molecular weight of butyllithium and styrene are 64.06 and 104.12, respectively.
What is the empirical and molecular formula ? What is the molecular weight ? Computer Unknown...
What is the empirical and molecular formula ? What is the
molecular weight ?
Computer Unknown # 9 Physical Properties MP 206-210 °C White solid C 77.86 % H=11.76 % Sodium Fusion Test A purtion of the sodium fusion filtrate was treated with ferrous sulfate and heated. It was then acidified with dilute sulfuric acid. No obeervable change was noticed. Another portion of the sodium fusion filtrate was treated with lead acetate. No observable change was noticed. Another portion was...
Assume you need to make a new linear, high molecular weight, polyamide or polyester Q. 1 (a) Give the structures of the polymers that could be formed from the following monomers and in each case identify the repeating unit -NH2 H2N- OH -ОН но. Но 2 NH2 CI H2N 3. НО. ОН Но ОН 4. OH но 5. Describe the issues you must be aware of in order to consistently achieve high (b) molecular weight polyamide or polyester?
Assume you...
It is desired to prepare polyester with the number average molecular weight, Mn 5000 g/mol by reacting of 1 mol butane-1,4 diol (HO-CH-CH2-CH2-CH2-OH) with 1 mol of adipic acid (HOOC-CH2-CH2-CH2-CH2-COOH) (a) Write chemical equation illustrating synthesis of the polyester. (b) Calculate the value of the monomer conversion at which the reaction should be stopped to obtain this polymer, assuming perfect stoichiometric balance. What would be polydispersity index for the polymer obtained? (c) Assuming that 0.5 mol % of the diol...
11.
provide the mechanism for the reaction shown.
What is the major product formed from the reaction shown? 8. 1. CH3I 2.Ag20, H20 II I Ш IV A. II В. I С. II D.IV E. II and III F. I and IV We were unable to transcribe this imageОн lD 1. LIAID4 +En e. 2. H-О
What is the empirical and molecular formula ? What is the
molecular weight ?
omputer Unknown #10 Physical Properties MP48-51 °C White solid C = 48.27% H=3.54% Sodium Fusion Test A portion of the sedium fi ltrate was treated with and heated. It was then acidified wit was noticed rate was treated with ferrous sulate o acidified with dilute sulfuric acid. No observable change Another portion of the sodium fusion filtrate was treated with te observable change was noticed. on...
What is the empirical and molecular formula ? What is the
molecular weight ?
Computer Unknown # 8 Physical Properties ВP Colorless Liquid Sweet odor C 77.75 % H 7.46 % 200-204 °C Sodium Fusion Test A portion of the sodium fusion filtrate was treated with ferrous sulfate and heated. It was then acidified with dilute sulfuric acid. No observable change Another portion of the sodium fusion filtrate was treated with lead acetate. No observable change was noticed. was noticed....
What is the empirical and molecular formula ? What is the
molecular weight ?
Computer Unknown # 2 Physical Properties BP 180-183 °C Brown Liquid C = 77.38 % H = 7.58 % Sodium Fusion Test A portion of the sodium fusion filtrate was treated with ferrous sulfate heated. It was then acidified with dilute sulfuric acid. An intense blue color was observed. Another portion of the sodium fusion filtrate was treated with lead acetate. No observable change was noticed....
What is the empirical and molecular formula ? What is the
molecular weight ?
Computer Unknown # 9 Physical Properties MP 206-210 °C White solid C 77.86 % H=11.76 % Sodium Fusion Test A purtion of the sodium fusion filtrate was treated with ferrous sulfate and heated. It was then acidified with dilute sulfuric acid. No obeervable change was noticed. Another portion of the sodium fusion filtrate was treated with lead acetate. No observable change was noticed. Another portion was...
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