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The monomer seen below is called ethylene. Through addition polymerization it can be made into polyethylene,...
Polystyrene can be polymerized from the starting monomer (styrene) pictured below. a. Anionic polymerization is one...
Polystyrene can be polymerized from the starting monomer
(styrene) pictured below.
a. Anionic polymerization is one method of polymerization that
can be used to generate polystyrene from styrene. Explain what type
of initiator should be used for this reaction
and draw an example of a styrene monomer that has reacted with
initiator.
b. Using this anionic polymerization method and a starting
concentration of 1M styrene and 1mM initiator, what degree of
polymerization (Xn) would you expect if you use up...
Ex. You are reverse engineering a competitors new high strength Ethylene-Acrylic Ester copolymer ...
Ex. You are reverse engineering a competitors new high strength Ethylene-Acrylic Ester copolymer sprocket for a performance gear shifter. Through experiments you determine the molecular weight of the polymer to be 13,700 g/mol and the degree of polymerization to be 243. What is the mol fraction of ethylene and acrylic ester?
Ex. You are reverse engineering a competitors new high strength Ethylene-Acrylic Ester copolymer sprocket for a performance gear shifter. Through experiments you determine the molecular weight of the polymer...
Find the degree of polymerization for polyethylene with an number average molecular weight of 500,000 g/mol
Find the degree of polymerization for polyethylene with an number average molecular weight of 500,000 g/mol.
Find the degree of polymerization for polyethylene with an number average molecular weight of 500,000 g/mol
Find the degree of polymerization for polyethylene with an number average molecular weight of 500,000 g/mol
Find the degree of polymerization for polyethylene with an number average molecular weight of 500,000 g/mol
Find the degree of polymerization for polyethylene with an number average molecular weight of 500,000 g/mol
Vice Canada Ap. Two polymers are comprised of the same monomer. Their product labels indicate information...
Vice Canada Ap. Two polymers are comprised of the same monomer. Their product labels indicate information about the molecular weight and melting temperature: 10 pts Molecular weight Polymer 1 Melting temperature Polymer 2 425 g/mol 390 g/mol Degree of branching 190°C 260°C (not given on product label) (not given on product label) 1 (4 marks) How does the degree of branching compare in Polymer 1 versus Polymer 2, given the observed difference in melting temperatures? Justify your answer, with reference...
2. During the acid catalyzed polymerization of terephthalic acid and ethylene glycol, some fraction of methanol...
2. During the acid catalyzed polymerization of terephthalic acid and ethylene glycol, some fraction of methanol (CH-OH) is incorporated, but no more ester bonds can be formed. a. Based on the above, what is the extent of reaction, p? b. How does fav determine whether a linear or network polymer is formed as p nears 1? c. Why do you believe the polymer in this reaction will be a gel-network or linear chains? d. What is fivg, the average number...
(Note that there are some additional equations and formulas in the last page) 1. A polyethylene...
(Note that there are some additional equations and formulas in the last page) 1. A polyethylene sample contains 4000 chains with molecular weights between 0 and 5,000 g/mol, 8000 chains with molecular weights between 5,000 and 10,000 g/mol 7000 chains with molecular weights between 10,000 and 15,000 g/mol, and 2000 chains with molecular weights between 15,000 and 20,000 g/mol. Determine: (1) the number fraction for each molecular weight range, (2) the weight fraction for each molecular weight range, (3) the...
Q6. 2/2 points (a)What are the chemical formulas for the compounds below ? Are the compounds...
Q6. 2/2 points
(a)What are the chemical formulas for the compounds below ?
Are the compounds shown
below isomers?
(b) Consider the two alkene compounds below? Which one is cis,
which one is trans?
Q7. 3/3/3 points
(a) What are addition polymerization steps?
(b) What type of polymerization does the below reaction
present?
(c) Calculate the degree of polymerization if 6,6-nylon has a
molecular weight of 120,000 g/mol, two repeating unit of Nylon6,6
shown in (b).
Q8. 4 points...
please only do H-M. i have done everything else. 2. During the acid catalyzed polymerization of...
please only do H-M. i have done everything else.
2. During the acid catalyzed polymerization of terephthalic acid and ethylene glycol, some fraction of methanol (CH-OH) is incorporated, but no more ester bonds can be formed. a. Based on the above, what is the extent of reaction, p? b. How does fav determine whether a linear or network polymer is formed as p nears 1? c. Why do you believe the polymer in this reaction will be a gel-network or...
Polystyrene can be polymerized from the starting monomer
(styrene) pictured below.
a. Anionic polymerization is one method of polymerization that
can be used to generate polystyrene from styrene. Explain what type
of initiator should be used for this reaction
and draw an example of a styrene monomer that has reacted with
initiator.
b. Using this anionic polymerization method and a starting
concentration of 1M styrene and 1mM initiator, what degree of
polymerization (Xn) would you expect if you use up...
Ex. You are reverse engineering a competitors new high strength Ethylene-Acrylic Ester copolymer sprocket for a performance gear shifter. Through experiments you determine the molecular weight of the polymer to be 13,700 g/mol and the degree of polymerization to be 243. What is the mol fraction of ethylene and acrylic ester?
Ex. You are reverse engineering a competitors new high strength Ethylene-Acrylic Ester copolymer sprocket for a performance gear shifter. Through experiments you determine the molecular weight of the polymer...
Vice Canada Ap. Two polymers are comprised of the same monomer. Their product labels indicate information about the molecular weight and melting temperature: 10 pts Molecular weight Polymer 1 Melting temperature Polymer 2 425 g/mol 390 g/mol Degree of branching 190°C 260°C (not given on product label) (not given on product label) 1 (4 marks) How does the degree of branching compare in Polymer 1 versus Polymer 2, given the observed difference in melting temperatures? Justify your answer, with reference...
2. During the acid catalyzed polymerization of terephthalic acid and ethylene glycol, some fraction of methanol (CH-OH) is incorporated, but no more ester bonds can be formed. a. Based on the above, what is the extent of reaction, p? b. How does fav determine whether a linear or network polymer is formed as p nears 1? c. Why do you believe the polymer in this reaction will be a gel-network or linear chains? d. What is fivg, the average number...
(Note that there are some additional equations and formulas in the last page) 1. A polyethylene sample contains 4000 chains with molecular weights between 0 and 5,000 g/mol, 8000 chains with molecular weights between 5,000 and 10,000 g/mol 7000 chains with molecular weights between 10,000 and 15,000 g/mol, and 2000 chains with molecular weights between 15,000 and 20,000 g/mol. Determine: (1) the number fraction for each molecular weight range, (2) the weight fraction for each molecular weight range, (3) the...
Q6. 2/2 points
(a)What are the chemical formulas for the compounds below ?
Are the compounds shown
below isomers?
(b) Consider the two alkene compounds below? Which one is cis,
which one is trans?
Q7. 3/3/3 points
(a) What are addition polymerization steps?
(b) What type of polymerization does the below reaction
present?
(c) Calculate the degree of polymerization if 6,6-nylon has a
molecular weight of 120,000 g/mol, two repeating unit of Nylon6,6
shown in (b).
Q8. 4 points...
please only do H-M. i have done everything else.
2. During the acid catalyzed polymerization of terephthalic acid and ethylene glycol, some fraction of methanol (CH-OH) is incorporated, but no more ester bonds can be formed. a. Based on the above, what is the extent of reaction, p? b. How does fav determine whether a linear or network polymer is formed as p nears 1? c. Why do you believe the polymer in this reaction will be a gel-network or...
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