Homework Answers
Add Answer to:
2. Draw a single repeat unit of each; polyvinylchloride (PVC) and polystyrene (PS). Which is more...
When do cored structures (grains) form during cooling of an alloy – Equilibrium or non-equilibrium cooling?...
When do cored structures (grains) form during cooling of an alloy – Equilibrium or non-equilibrium cooling? Why? ..........(4 points) a)Note: Explain what component (higher or lower melting point) forms the core (center) and the boundary (outer edges) of the cored structure (grain)? Draw a single repeat unit of each; polyvinylchloride (PVC) and polystyrene (PS). Which is more likely to be crystalline, linear syndiotactic PVC or linear atactic PS? Briefly explain..... (4 points)
). Which is more likely to be crystalline, linear syndiotactic PVC or linear atactic PS? Briefly...
). Which is more likely to be crystalline, linear syndiotactic PVC or linear atactic PS? Briefly explain
1-Calculate the molecular weight of the repeat unit (monomer) for polystyrene (above) (2 marks) 2-Using the...
1-Calculate the molecular weight of the repeat unit (monomer)
for polystyrene (above) (2 marks)
2-Using the table below, calculate the degree of polymerisation
for polystyrene
Molecular weight range (g/mol)
Number fraction,xi
500-1000
0.02
1000-3000
0.13
3000-5000
0.25
5000-10000
0.41
10000-25000
0.15
25000-50000
0.04
3-Which crystal type would be expected for Nickel Oxide (NiO,
Ni2+ ionic radius = 0.069nm, O2- ionic radius
= 0.14nm) (2 marks)
4-In order to save weight, a composite component is to be made
of aligned fibreglass...
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...
16(2 points) Which of these monomers is the repeating unit for PTFE? a)FF b) H H...
16(2 points) Which of these monomers is the repeating unit for PTFE? a)FF b) H H C-C C-C H CH3 c) H H C-C НН d) H H C-C H CI 17 (2 points) Metals typically have a Poisson's ratio of: b) 0.3 c) 0.5 d) -0.35 18(2 points) Select a material which is an amorphous material a) Diamond b) Glass c) Steel d) Granite 19(2 points) The mobility of an electron is strongly affected by (circle all that apply)?...
4. Draw the lowest energy chair conformations for both of the following compounds. Which is more...
4. Draw the lowest energy chair conformations for both of the following compounds. Which is more stable? Briefly explain. (8pts) 18 II llora nobsefoin smw.odo a) I c) Both have the same stability b) п 5. Draw the lowest energy chair conformations for both of the following compounds. Which is more stable? Briefly explain (8pts) beuo zed n bos enonsmothop beagndoa ow odb TotoKD ( .a1alil o enoemogoo boaee.ove dos 10 d II a) I b) II c) Both have...
2. classify the following alcohols as primary, secondary, or tertiary 3. which memeber of each of...
2. classify the following alcohols as primary, secondary, or
tertiary
3. which memeber of each of the following paris would you
expect to be more soluble in water? Make sure to draw the bond-line
formulas and briefly explain your choices
4. assign common and IUPAC names for the following
ethers
ОН CH,CH.C-OH CH3 CH,CH.CH.CH, OH s would you expect to be more soluble in water? 3. Which member of each of the following paire would you expect to be more...
2. What are the two perspectives we read about relating to PS? Discuss each. Which perspective...
2. What are the two perspectives we read about relating to PS? Discuss each. Which perspective do you think is more important, and why? please provide 2-4 paragaraphs, slighy less than one oage typed double, typed in responce to this question please privide citetions
Which of the following mutations are more likely to occur based on their codons, group classifica...
Which of the following mutations are more likely to occur based
on their codons, group classifications, and structures?
4) (20 points) Which of the following mutations are more likely to occur (aka more conservative) based on their codons (show the codons and underline anysingle nucleotide changes), group classifications, and structures (draw or describe the structures)? Circle or underline the mutation you believe is more conservative and explain your choices. BE SURE TO EXPLAIN WHY THE LESS CONSERVATIVE MUTATION IS LESS...
3 Match the following polymer with the common product in which it is used (see intro...
3 Match the following polymer with the common product in which it is used (see intro for help). 1. polystyrene 2. nylon 3. polypropylene 4. low density polyethylene 5. polycarbonate a. Plastic Bags b. Water Pipes c. Cookware d. Egg containers e. Milk cartons 6. polyethylene f. Carpet and Knitted fabrics 7. polyvinylchloride 9. Automobile bumpers 8. polytetrafluoroethylene h. Rope 4. Shown below are monomers for common polymers that get made. Draw two repeating units of the polymer structure for...
When do cored structures (grains) form during cooling of an alloy – Equilibrium or non-equilibrium cooling? Why? ..........(4 points) a)Note: Explain what component (higher or lower melting point) forms the core (center) and the boundary (outer edges) of the cored structure (grain)? Draw a single repeat unit of each; polyvinylchloride (PVC) and polystyrene (PS). Which is more likely to be crystalline, linear syndiotactic PVC or linear atactic PS? Briefly explain..... (4 points)
1-Calculate the molecular weight of the repeat unit (monomer)
for polystyrene (above) (2 marks)
2-Using the table below, calculate the degree of polymerisation
for polystyrene
Molecular weight range (g/mol)
Number fraction,xi
500-1000
0.02
1000-3000
0.13
3000-5000
0.25
5000-10000
0.41
10000-25000
0.15
25000-50000
0.04
3-Which crystal type would be expected for Nickel Oxide (NiO,
Ni2+ ionic radius = 0.069nm, O2- ionic radius
= 0.14nm) (2 marks)
4-In order to save weight, a composite component is to be made
of aligned fibreglass...
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...
16(2 points) Which of these monomers is the repeating unit for PTFE? a)FF b) H H C-C C-C H CH3 c) H H C-C НН d) H H C-C H CI 17 (2 points) Metals typically have a Poisson's ratio of: b) 0.3 c) 0.5 d) -0.35 18(2 points) Select a material which is an amorphous material a) Diamond b) Glass c) Steel d) Granite 19(2 points) The mobility of an electron is strongly affected by (circle all that apply)?...
4. Draw the lowest energy chair conformations for both of the following compounds. Which is more stable? Briefly explain. (8pts) 18 II llora nobsefoin smw.odo a) I c) Both have the same stability b) п 5. Draw the lowest energy chair conformations for both of the following compounds. Which is more stable? Briefly explain (8pts) beuo zed n bos enonsmothop beagndoa ow odb TotoKD ( .a1alil o enoemogoo boaee.ove dos 10 d II a) I b) II c) Both have...
2. classify the following alcohols as primary, secondary, or
tertiary
3. which memeber of each of the following paris would you
expect to be more soluble in water? Make sure to draw the bond-line
formulas and briefly explain your choices
4. assign common and IUPAC names for the following
ethers
ОН CH,CH.C-OH CH3 CH,CH.CH.CH, OH s would you expect to be more soluble in water? 3. Which member of each of the following paire would you expect to be more...
Which of the following mutations are more likely to occur based
on their codons, group classifications, and structures?
4) (20 points) Which of the following mutations are more likely to occur (aka more conservative) based on their codons (show the codons and underline anysingle nucleotide changes), group classifications, and structures (draw or describe the structures)? Circle or underline the mutation you believe is more conservative and explain your choices. BE SURE TO EXPLAIN WHY THE LESS CONSERVATIVE MUTATION IS LESS...
3 Match the following polymer with the common product in which it is used (see intro for help). 1. polystyrene 2. nylon 3. polypropylene 4. low density polyethylene 5. polycarbonate a. Plastic Bags b. Water Pipes c. Cookware d. Egg containers e. Milk cartons 6. polyethylene f. Carpet and Knitted fabrics 7. polyvinylchloride 9. Automobile bumpers 8. polytetrafluoroethylene h. Rope 4. Shown below are monomers for common polymers that get made. Draw two repeating units of the polymer structure for...
Most questions answered within 3 hours.
-
Python Program: Design the logic for and implement a program
that merges the two files into...
asked 6 minutes ago -
Human relations refer to the way a company arranges people,
jobs, and communications so that work...
asked 8 minutes ago -
The specific radiocarbon activity of a sample of wood is 6.25
gms dpm/gm of carbon. The...
asked 11 minutes ago -
An aqueous magnesium chloride solution is made by dissolving
6.96 moles of MgCl2 in sufficient water...
asked 13 minutes ago -
Ken believes the average age of men who come to get a haircut at
his barber...
asked 36 minutes ago -
(Ratio Analysis): Last year Co. XYZ had sales of $ 400,000, with
“cost of goods sold”...
asked 44 minutes ago -
can someone please write the balanced chemical
equation for the synthesis of Bromoacetanilide
from;
aniline +...
asked 40 minutes ago -
1. If a corporation purchases land and building and subsequently
tears down the building and uses...
asked 51 minutes ago -
Consider a 23-year bond with 7 percent annual coupon payments.
The market rate (YTM) is 6.4...
asked 54 minutes ago -
a tuba creates a 4th harmonic of frequency 116.5 Hz. what is the
frequency of the...
asked 1 hour ago -
A coconut mass 2kg falls from a 30m tall tree. The coconut falls
and comes to...
asked 1 hour ago -
Group Policies
Research GROUP POLICY OBJECTS (GPO'S)
You can start in the Windows Server 2012 eBook...
asked 1 hour ago