Homework Answers
Add Answer to:
(material science)
Please draw possible molecular configuration for polymer with repetitive unit of the following. Please...
1 Polymer Structure (4 pts) Sketch the repeat unit and determine the repeat unit molecular weight...
1 Polymer Structure (4 pts) Sketch the repeat unit and determine the repeat unit molecular weight for the following polymers: a. polystyrene b. polytetrafluoroethylene c. polydimethylsiloxane d. nylon 6,10
14. (a) Compute the repeat unit molecular weight of polystyrene and the number-average (b) Viscoelastic creep...
14. (a) Compute the repeat unit molecular weight of polystyrene and the number-average (b) Viscoelastic creep of some polymer materials can be modelled using a spring and dashpot molecular weight of the material if the degree of polymerisation is 25,000. in parallel configuration as shown in the following figure. Derive the mathematical expression for the strain as a function of time. 凹η (6+6 marks
Draw the structure of the repeat unit of the polymer that results when this diamine and...
Draw the structure of the repeat unit of the polymer that
results when this diamine and this diacid are heated together:
Polymer Synthesis Question 1 Draw the structure of the repeat unit of the polymer that results when this diamine and this diacid are heated together: 1 pt 1 pt 1 pt 1 pt 1 pt Question 2 diamine diacid Question 3 Question 4 но он Question 5 Question 6 You do not have to consider stereochemistry. You do not...
3. A repetitive manufacturing firm is planning on level material use. The following information has been...
3. A repetitive manufacturing firm is planning on level material use. The following information has been collected. Currently, the firm operates 250 days per year. Annual demand (D) 20,000 Daily demand (d) Daily production (p) 250 Desired lot size (Q) Holding cost per unit per year (H) $50 1) What is the setup cost based on the desired lot size? (10 points) 80 2) What is the desired setup time based on $50 hour setup labor? (10 points) 3) Theoretically,...
please help with all the questions Meisa Taha 2. Define each term: addition (polymer), block (polymer), copolymer. Draw (in correct format) an addition block copolymer in the space below. Indicate...
please help with all the questions
Meisa Taha 2. Define each term: addition (polymer), block (polymer), copolymer. Draw (in correct format) an addition block copolymer in the space below. Indicate which monomers are used in the polymerization, and which parts are repeated in the polymer structure. 5 points 3 Condensation polymer. 6 points. e one example of a condensation polymer. Do not use "R" groups NOT NYLON. b. Show the monomer(s), polymer, and label the repeat unit. c. Provide a...
7. Please calculate the number-averaged molecular weight and weight-averaged molecular weight for the following polymer. (6...
7. Please calculate the number-averaged molecular weight and weight-averaged molecular weight for the following polymer. (6 pt) Fraction Mass(g) Mx 104(g/mol)1.24 1.521.361.282.301.504.28 1.21 1181.4567 0.23 0.18 0.56 0.82 3.76 8. A student mixed two batches of PS accidently in the lab, what would be number-averaged molecular weight and weight-averaged molecular weight for this PS mixture. (6 pt) Batch Mass(g) Mw (g/mol) Mn (g/mol 15 75,000 50,000 150,000 120,000
Draw the monomer unit(s) from which the following polymer is made. tom7 . In the case...
Draw the monomer unit(s) from which the following polymer is made. tom7 . In the case of a reactive acyl monomer, draw a methyl ester. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right com • Separate structures with + signs from the drop-down menu. - -/ -O0O- Chemde
Draw the structure of the polymer (the repeating unit) that results when the following molecule is...
Draw the structure of the polymer (the repeating unit) that results when the following molecule is treated with peroxide (ROOR). 5. ROOR Polylethylene terephthalate) can be synthesized from terephthalic acid and ethylene Blycol in the presence of an acid catalyst and heat. 6. acid catalyst heat ??-?- (a) What are the two products of the reaction? (b) What is the acronym of Poly(ethylene terephthalate)?
A Draw the expected structure of the polymer repeat unit given the following monomer. B. Indicate...
A Draw the expected structure of the polymer repeat unit given the following monomer. B. Indicate whether free radical or condensation polymerization would be most appropriate. HH III HO-CR HO-CH2 CH2-CH2-OH
3. Draw all the isomers possible for the following molecular formulas. a) CH4 b) C3H4BCI c)...
3. Draw all the isomers possible for the following molecular formulas. a) CH4 b) C3H4BCI c) C4H100 (should be 7) d) CHỊ
1 Polymer Structure (4 pts) Sketch the repeat unit and determine the repeat unit molecular weight for the following polymers: a. polystyrene b. polytetrafluoroethylene c. polydimethylsiloxane d. nylon 6,10
14. (a) Compute the repeat unit molecular weight of polystyrene and the number-average (b) Viscoelastic creep of some polymer materials can be modelled using a spring and dashpot molecular weight of the material if the degree of polymerisation is 25,000. in parallel configuration as shown in the following figure. Derive the mathematical expression for the strain as a function of time. 凹η (6+6 marks
Draw the structure of the repeat unit of the polymer that
results when this diamine and this diacid are heated together:
Polymer Synthesis Question 1 Draw the structure of the repeat unit of the polymer that results when this diamine and this diacid are heated together: 1 pt 1 pt 1 pt 1 pt 1 pt Question 2 diamine diacid Question 3 Question 4 но он Question 5 Question 6 You do not have to consider stereochemistry. You do not...
3. A repetitive manufacturing firm is planning on level material use. The following information has been collected. Currently, the firm operates 250 days per year. Annual demand (D) 20,000 Daily demand (d) Daily production (p) 250 Desired lot size (Q) Holding cost per unit per year (H) $50 1) What is the setup cost based on the desired lot size? (10 points) 80 2) What is the desired setup time based on $50 hour setup labor? (10 points) 3) Theoretically,...
please help with all the questions
Meisa Taha 2. Define each term: addition (polymer), block (polymer), copolymer. Draw (in correct format) an addition block copolymer in the space below. Indicate which monomers are used in the polymerization, and which parts are repeated in the polymer structure. 5 points 3 Condensation polymer. 6 points. e one example of a condensation polymer. Do not use "R" groups NOT NYLON. b. Show the monomer(s), polymer, and label the repeat unit. c. Provide a...
7. Please calculate the number-averaged molecular weight and weight-averaged molecular weight for the following polymer. (6 pt) Fraction Mass(g) Mx 104(g/mol)1.24 1.521.361.282.301.504.28 1.21 1181.4567 0.23 0.18 0.56 0.82 3.76 8. A student mixed two batches of PS accidently in the lab, what would be number-averaged molecular weight and weight-averaged molecular weight for this PS mixture. (6 pt) Batch Mass(g) Mw (g/mol) Mn (g/mol 15 75,000 50,000 150,000 120,000
Draw the monomer unit(s) from which the following polymer is made. tom7 . In the case of a reactive acyl monomer, draw a methyl ester. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right com • Separate structures with + signs from the drop-down menu. - -/ -O0O- Chemde
Draw the structure of the polymer (the repeating unit) that results when the following molecule is treated with peroxide (ROOR). 5. ROOR Polylethylene terephthalate) can be synthesized from terephthalic acid and ethylene Blycol in the presence of an acid catalyst and heat. 6. acid catalyst heat ??-?- (a) What are the two products of the reaction? (b) What is the acronym of Poly(ethylene terephthalate)?
A Draw the expected structure of the polymer repeat unit given the following monomer. B. Indicate whether free radical or condensation polymerization would be most appropriate. HH III HO-CR HO-CH2 CH2-CH2-OH
3. Draw all the isomers possible for the following molecular formulas. a) CH4 b) C3H4BCI c) C4H100 (should be 7) d) CHỊ
Most questions answered within 3 hours.
-
The x component of the velocity of an object vibrating
along the x-axis obeys the equation...
asked 12 minutes ago -
A junction box contains two trade size 2 raceways on the left
side, and two trade...
asked 45 minutes ago -
Atmospheric Mass
Venus and Earth have about the same mass and radius, but the
atmospheric pressure...
asked 1 hour ago -
5. Discuss the use of fault tree analysis (FTA) for risk
assessment (maximum one paragraph).
asked 2 hours ago -
Given that a sample of aluminium oxide has a Young's modulus of
393 GPa and a...
asked 4 hours ago -
At a certain temperature, the equilibrium constant, Kc, for this
reaction is 53.3.
H2(g)+I2(g)−⇀↽−2HI(g)Kc=53.3
At this...
asked 5 hours ago -
Question1 ) The STL provides similiar classes called stack and
queue, both of which gave functions...
asked 6 hours ago -
For Questions 1-4, assume you have 5 bits available:
1. For (positive) integers: What is the...
asked 6 hours ago -
convert grams into vloume with the density of water being at
.997514 g/cm^3 at 23.1 Celsuis...
asked 8 hours ago -
Foreman company obtained a $20,000, 6% loan on May 1, 2018.
Principal and interest will be...
asked 8 hours ago -
5. Problem 11.05 (Discounted Payback)
eBook
Project L costs $60,000, its expected cash inflows are $14,000
per...
asked 8 hours ago -
1. Which of the following is true about politics and health
organizations?
A. Health organizations are...
asked 9 hours ago