Homework Answers
Answer:-
Polymer of propene is known as polypropene (polypropylene) which is thermoplastic polymer. Propene (propylene) is polymerized into following three ways :-
(I) - When propene polymerized in such a way that consisting of sequences of monomer units (propene) having the different steric arrangement phased at random do not crystallized well are called as atactic polymers.
(II) - When propene polymerized in such a way as to yield long linear head to tail consisting of sequences of monomer units (propene) having the same steric structures are called as isotactic polymers. These polymers easily crystallized.
(III) - When propene polymerized in such a way that consisting of sequences of monomer units (propene) having regular , alternating structure are called as syndyotactic polymers.
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5. Consider the polymer from propene. In this context, what is meant by the terms a)...
4. Draw segment (can use (-----). type structure of the polymer obtained from each type of the following monomers....
4. Draw segment (can use (-----). type structure of the polymer obtained from each type of the following monomers. In each case, is it the result of a chain growth or a step growth type of polymerization? no answert a. CH=CH2 b. cech ice + IND with to c. ch=H-4H = CH2 CH3 Caneider the nalmer from nropene. In this context, what is meant by the terms a) atactic b)
1. Illustrate each of the following. a. Illustrate the mechanism for a two-segment polymer of polyethylene...
1. Illustrate each of the following. a. Illustrate the mechanism for a two-segment polymer of polyethylene starting with the initiation step. b. Illustrate a three-monomer unit structure of a polymer made of the monomer, 2-methylpropene. c. Illustrate a four-monomer unit segment of the co-polymer made from 1,6-hexanediamine and hexanedioic acid d. what is the name for the polymer formed in letter c above
Constants I Periodic Table A fictional company has been producing propene oxide, C3H60, from propene, C3H6,...
Constants I Periodic Table A fictional company has been producing propene oxide, C3H60, from propene, C3H6, with a 96.0% yield. The process requires the use of a compound called m-chloroperoxybenzoic acid, C7H5O3C1, which can be abbreviated as mCPBA. The entire reaction takes place in the solvent dichloromethane, CH, Cl2: CH,CL C3H6 + C H5O3 Cl — 96.0% yield C3H2O + C,H,O, CI The initial propene concentration in the solvent is 21.0 g/L. Consider the prices of the following substances Substance...
. Consider a flexible (random-walk) polymer description of a protein in its denatured state. The ...
. Consider a flexible (random-walk) polymer description of a protein in its denatured state. The protein chain consists of 300 amino-acids, and the separation between the C atoms of each amino-acid is 0.36 nm. The statistical segment length of an unfolded protein contains about 6 amino-acids. (a) How many statistically independent segments are there in this unfolded protein chain? (b) What is the size (root-mean-square end-to-end distance) of the unfolded protein? (c) What is its entropic spring constant?
. Consider...
5. Explain what is meant by a "Common Resource." Give one example to illustrate your answer....
5. Explain what is meant by a "Common Resource." Give one example to illustrate your answer. Explain whether the equilibrium use of a common resource is eficient or inefficient.
a) b) and c) 1.(a) What is meant by the "Harmonic Approximation", as used in the...
a) b) and c)
1.(a) What is meant by the "Harmonic Approximation", as used in the context of describing the interatomic potential energy as a function of separation in solid state materials? [2] (b) Discuss the extent to which the "Harmonic Approximation" can be used to accurately predict the thermal vibration characteristics of crystalline systems and their ability to store thermal energy. Explicitly consider the temperature range over which these predictions seem to map sensibly onto real measurements. [8] (c)...
Part A and B Alternative method The company is developing a greener" method of making propene...
Part A and B
Alternative method The company is developing a greener" method of making propene oxide from propene using hydrogen peroxide, H2O, in supercritical water with a vanadium catalyst. In the reaction 1.00 kg of vanadium catalyst and V. 1,0 320 kg of water are used for each kilogram of propene. 75% of the vanadium catalyst can be collected and reused in a subsequent batch:CH + H2O, C,H, O H , OConsider the prices of the 89.05 yield following...
2a. What is meant by allosteric regulation of enzymes? Include key/relevant terms (Enzyme, active site, effector,...
2a. What is meant by allosteric regulation of enzymes? Include key/relevant terms (Enzyme, active site, effector, secondary site, conformational change, affinity and other terms you feel are relevant). b. Describe/draw, in detail, two mechanisms of inhibitory allosteric regulation (aka allosteric inhibition) c. Describe/draw, in detail, two mechanisms of excitatory allosteric regulation (aka allosteric activation)
a) Explain what is meant by the terms “non-excludable” and “non-rival”. b) Why does this result...
a) Explain what is meant by the terms “non-excludable” and “non-rival”. b) Why does this result in a public good being under-provided by the market? (detailed explanation) Your answer will be marked according to the following categories. PART A PART B Clarity of Exposition Grammar
5. Consider a polymer consisting of N links (like links of a chain) of length L....
5. Consider a polymer consisting of N links (like links of a chain) of length L. The links are massless. One end of the polymer is fixed at height z = 0. The other end is attached to a mass m. Each link can pivot about its attachment with the previous link or the fixed end so that a link may carry the polymer "up" or "down" a distance L. For example, the figure shows a polymer containing four links,...
4. Draw segment (can use (-----). type structure of the polymer obtained from each type of the following monomers. In each case, is it the result of a chain growth or a step growth type of polymerization? no answert a. CH=CH2 b. cech ice + IND with to c. ch=H-4H = CH2 CH3 Caneider the nalmer from nropene. In this context, what is meant by the terms a) atactic b)
Constants I Periodic Table A fictional company has been producing propene oxide, C3H60, from propene, C3H6, with a 96.0% yield. The process requires the use of a compound called m-chloroperoxybenzoic acid, C7H5O3C1, which can be abbreviated as mCPBA. The entire reaction takes place in the solvent dichloromethane, CH, Cl2: CH,CL C3H6 + C H5O3 Cl — 96.0% yield C3H2O + C,H,O, CI The initial propene concentration in the solvent is 21.0 g/L. Consider the prices of the following substances Substance...
. Consider a flexible (random-walk) polymer description of a protein in its denatured state. The protein chain consists of 300 amino-acids, and the separation between the C atoms of each amino-acid is 0.36 nm. The statistical segment length of an unfolded protein contains about 6 amino-acids. (a) How many statistically independent segments are there in this unfolded protein chain? (b) What is the size (root-mean-square end-to-end distance) of the unfolded protein? (c) What is its entropic spring constant?
. Consider...
5. Explain what is meant by a "Common Resource." Give one example to illustrate your answer. Explain whether the equilibrium use of a common resource is eficient or inefficient.
a) b) and c)
1.(a) What is meant by the "Harmonic Approximation", as used in the context of describing the interatomic potential energy as a function of separation in solid state materials? [2] (b) Discuss the extent to which the "Harmonic Approximation" can be used to accurately predict the thermal vibration characteristics of crystalline systems and their ability to store thermal energy. Explicitly consider the temperature range over which these predictions seem to map sensibly onto real measurements. [8] (c)...
Part A and B
Alternative method The company is developing a greener" method of making propene oxide from propene using hydrogen peroxide, H2O, in supercritical water with a vanadium catalyst. In the reaction 1.00 kg of vanadium catalyst and V. 1,0 320 kg of water are used for each kilogram of propene. 75% of the vanadium catalyst can be collected and reused in a subsequent batch:CH + H2O, C,H, O H , OConsider the prices of the 89.05 yield following...
5. Consider a polymer consisting of N links (like links of a chain) of length L. The links are massless. One end of the polymer is fixed at height z = 0. The other end is attached to a mass m. Each link can pivot about its attachment with the previous link or the fixed end so that a link may carry the polymer "up" or "down" a distance L. For example, the figure shows a polymer containing four links,...
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