Calculate the molecular weight of PMMA for which the degree of polymerization, n, is 5112. Express your answer in kilograms per mole.

Q: A hydrocarbon (Alkene) is used as a monomer to prepare a chain-growth polymer with molecular weight…

A: Polymer are of two type  I) Naturally Occurring II) Synthetic Organic Polymer The above polymer of…

Q: (i) Define the criteria for condensation polymerisation to occur. (ii) Give one example of…

A: Condensation polymer is a kind of polymer formed by condensation reaction, where molecules join…

Q: How many grams of H2O2 would be needed to yield 1 kg of a polypropylene, (C3H6 )n, with an average…

A: The degree of polymerization is= MwMoMw is the average molecular weight of the polymer and Mo is the…

Q: Illustrate, with chemical formulae, the influence of the size of the side groups of a polymer…

A: Polymer is a large molecule which is made up of the small repeating units. These molecules have the…

Q: 2- Write down three properties of polymers that are influenced by the size (i.e., the degree of…

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Q: Show the differences between the chain-growth and step-growth mechanisms of polymerization.

A: Chain growth polymerization is also known as addition polymerization and step-growth polymerization…

Q: What role can craze formation play in toughening of an amorphous polymer? What role can crazing play…

A: A craze is a deformation zone in amorphous polymer and can be divided into precraze and proper…

Q: Calculate the number-average molecular weight (Mn) and the weight-average molecular weight (Mw) for…

A: Mn= ∑1iNiMi∑1iNi Mw =∑1iNiMi2∑1iNiMi

Q: An alternating copolymer is known to have a number-average molecular weight of 100,000 g/mol and a…

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Q: polydimethylsiloxane

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Q: Assume the energy of hydrogen bonds per base pair to be 5.86 kJ-mol-1, Given two complementary…

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Q: You are characterizing a new polymer, and found that your sample is composed of the following…

A: Number average molecular weight is given by, Mn¯=Mnwhere, M=mass of polymern=number of moles When…

Q: What is the formula for determining the molecular weight of a polyelectrolyte polymer? Is it…

A: Polyelectrolytes are polymers with an electrolyte group in their repeating units. Polyelectrolytes…

Q: Alternating poly(styrene-ethylene) copolymer; random poly(vinyl chloridetetrafluoroethylene)…

A: Linear and syndiotactic poly(vinyl chloride); linear and isotactic polystyrene a) Yes, for these two…

Q: What type of ionic addition polymerization process would vinyl acetate be expected to undergo?…

A: Given

Q: Select the single best answer.   Choose the definition that best describes a polymer:   a acidic…

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Q: State whether it is possible to determine whether one polymer is more likely to crystallize than the…

A: A linear polymer is a macromolecule in which each repeating unit is linked only to two others and…

Q: For poly(methyl methacrylate) (PMMA) with a degree of polymerization of 800, calculate: (a) maximum…

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Q: Polymers prepared by condensation polymerization are usually of high molecular weights, but the…

A: Condensation Polymerization is an of Step growth polymerization, where smaller molecules are removed…

Q: Which of the following polymers would not be capable of conducting electricity? Assume appropriate…

A: The conductive polymers are also known as intrinsically conducting polymers. These are organic…

Q: Outline some methods for obtaining ultra-high orientation in polymers (e.g. Kevlar).

A: Роlymers аre mаteriаls соmроsed оf lоng mоleсulаr сhаins thаt аre well-ассeрted fоr а wide vаriety…

Q: High density polyethylene (HDPE) and low density (LDPE) both are made from the same monomer (-CH-…

A: LDPE is a clear or transparent polyethylene with exceptional chemical resistance, elasticity, and…

Q: [8] Which monomer would most easily undergo cationic polymerization? CN III II H. NH2 IV (A) I (B) П…

A: (8) Given monomers,

Q: The number-average molecular weight of a polypropylene is 1241772 g/mol. Compute the degree of…

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Q: How might you determine experimentally whether a particular polymerization is propagating by a…

A: Given polymerization process, Step-growth or chain-growth polymerization. In step-growth…

Q: The molecular weight (i.e. molar mass) is often considered the most important aspect of a polymer.…

A: Since, polymers have very long chain of monomers. We can not determine exact molar mass directly as…

Q: QII: Distinguish between the following reactive intermediates in chain- growth polymerizations: 1.…

A: 1. Answer - Radicals - Radical Polymerization is a polymerizing approach by which successive…

Q: The heat of fusion of polyethylene is approximately 7.7 kJ/mol, and  the corresponding entropy is 19…

A: Given  Heat of fusion ( ∆Hfusion ) =  7.7 KJ/mol                                            =  7700…

Q: Calculate the restoring force when the ends of a one-dimensional polyethene chain of molar mass 85…

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Q: What is the fraction of monomers (p) that have been used in a stepwise polymerisation reaction if…

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Q: Which of the following statement/s is/are true for free radicalic polymerization? I. It involves…

A: Free radical polymerization is generally occur in addition polymerization reaction. There is 3 basic…

Q: Determine the degree of polymerization of polypropylene having an average molecular weight of one…

A: Given the average molecular weight of polypropylene = 1 million or 1*106 g/mol

Q: What kinds of ions govern alkylation and polymerization reactions and how they are initiated?

A: Alkylation is a process in which an alkyl group is added to the other alkyl group. This process…

Q: A monomer is also considered to be a coextruded polymer True False

A: Coextrusion is a process in which two or more polymer materials are extruded together to produce…

Q: 3. Discuss the possibility of cyclization in the polymerization of a. H;N-(CH)-co,H b. HO-(CH)-OH +…

A: Some surprising results were determined within the part transfer of catalyzed (PTC) (two-part,…

Q: (d) A sample of head-to-tail polypropylene was found to have an average molar mass of 33,000.…

A: We have to predict the average degree of polymerization.

Q: A hydrocarbon (Alkene) is used as a monomer to prepare a chain-growth polymer with molecular weight…

A:

Q: What is the main reaction and mechanism for the polymerization of styrene? What are the side…

A: Please find your solution below : Polymerization of styrene is also called the free radical…

Q: w

A: Polymerization reaction can occur if there are atleast two fuctional group present in the monomer…

Q: Select the monomer in each pair that is more reactive toward cationic polymerization

A: When small monomers units combine to form a bigger unit polymer, such process is called as…

Q: What is Tacticity, show syndiotactic, isotactic and atactic polymer. Which is easiest to crystallize…

A: The solution is given below -

Q: A polypropylene [-CH,-CH(CH3)-] sample contains the following composition. Degree of polymerization…

A: first of all from the atomic masses of C and H, let us find out the molecular weight of one…

Q: Q1/ A sample of polystyrene is composed of a series of fractions of different-sized Molecules…

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Q: What structural features must a monomer possess to undergo addition polymerization and condensation…

A: Monomer:- It is the smaller repeating unit in polymers.

Q: 3. Draw the structure of one repeating unit of the addition polymer styrene butadiene rubber. CH₂ CH…

A: #3: Styrene butadiene rubber is an addition polymer of styrene and butadiene.

Q: 4. Which polymer in cach of the following pairs would you expect to exhibit the higher glass…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Types of Polymers on the basis of Method of Preparation