Polymers prepared by condensation polymerization are usually of high molecular weights, but the student has been finding difficulties to produce a high molecular weight polymer using this technique in the lab. Give two reasons why this might be the case.

Polymers prepared by condensation polymerization are usually of high molecular weights, but the student has been finding difficulties to produce a high molecular weight polymer using this technique in the lab. Give two reasons why this might be the case.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter10: Fuels, Organic Chemicals, And Polymers

Section: Chapter Questions

Problem 72QRT

See similar textbooks

Related questions

Q: 1. Step-Growth Polymerization (a) Draw 2 different combinations of monomers that can be used to…

A: The polymerization process involves the combination of the monomers catalyzed by heat, light, and…

Q: Novolac is the linear polymer which on heating with formaldehyde forms cross-linked bakelite. Write…

A: To give the structure of monomers and the polymer novolac.

Q: a copolymer is made up of 40.01% polystyrene 20.38% acrylonyl and 31.51% polybutadiene a) Calculate…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…

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: Draw the structure of the polymer formed by step-growth polymerization of each monomer or pair of…

A: Step-growth polymerization: It is the type of polymerization in which bi or multinational group form…

Q: When a polymer is formed by adding monomers, a molecule of __________________ is lost. These…

A: Polymers are defined as macromolecules that are formed by joining of repeating units of small…

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: For an alkene to polymerize easily via cationic polymerization... A) Atoms adjacent to the…

A: Given: For an alkene to polymerize easily via cationic polymerization :

Q: Polyisobutylene is one of the components of butyl rubber used for making inner tubes. What…

Q: For a monomer of general structure of CH2=CHX, complete the following table. Indicate + if the…

A: Polymerization occurs through cationic pathway if electron donating group (EDG) is present. This is…

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

Q: Discuss the effects of solvent polarity in the anionic polymerizations of (a) styrene initiated with…

A: Radicals are highly reactive species and contain odd electrons. In anionic polymerization, anionic…

Q: 4. Consider the free radical polymerization of methyl methacrylate (shown below) using AIBN as the…

A: Free radical polymerization of Methyl methacrylate occurs in three steps using AIBN as a radical…

Q: 17. Rank the following monomers in order of increasing reactivity toward cationic polymerization…

A: fullscreen_exit

Q: Another vanation on this type of polymer is used in hair gels. In these, the polymer chains are…

A: As you have posted a question with multiple questions, we will solve the first question for you. To…

Q: In the addition polymerization of acrylonitrile, a very small amount of butyl lithium causes a…

A: Polymers are the long repeating units of monomers, which is formed by the polymerization process. In…

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

A: to calculate the contour length you have to multiply the number of repteition units (which you may…

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

Q: 2. For the monomers below, state whether they will undergo chain growth or step growth…

Q: Provide the mechanism for the step-growth polymerization of citric acid and ethylene glycol to form…

A: STEP-GROWTH POLYMERIZATION It is a stepwise reaction between two monomers ( bi-functional or…

Q: Briefly describe what is thermoplastic, thermoset plastic and elastomer. Give examples to clarify…

Q: A hydrocarbon (Alkene) is used as a 5 نقاط monomer to prepare a chain-growth polymer with molecular…

A: Given: molecular weight of polymer is 42000 g/mol degree of polymerization is 1000

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: 7. When asymmetric alkenes polymerize (such as chloroethene to produce PVC), the pendant group like…

A: Sporadic arrangement is the random arrangement of the polymeric chains / branches . Where Atactic…

Q: Polyethylene is produced by addition polymerization process called Free radical polymerization,…

A: Free radical polymerization = It is a process of the formation of polymers from monomers.

Q: Which of the following polymers is produced by step-growth polymerization? А. В. С. D.…

A: The polymers is produced by step growth polymerization is given below.

Q: نقطة واح The degree of polymerization .determines the weight of polymer True False O محو التحديد…

Q: Chain branching is not as common with anionic polymerization as it is with free-radical…

A: The carbon-carbon double bond can be polymerized by free radical or ionic method that is cationic…

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: Macromolecules can also be formed from cyclic monomers such as cyclic hydrocarbons, ethers, esters,…

A: Polymerization could be a method through that an outsized range of compound…

Q: For a general chain-growth polymerization, we might expect that polymer chain length would be.

A: Chain growth polymerisation is a process in which the high molecular weight polymer is formed early…

Q: How would you describe the homogeneity of a polylactic acid polymer chain based on melting point?

A: PLA has a glass transition temperature between 50 and 80 °C and a melting temperature between 170…

Q: Briefly describe what is thermoplastic, thermoset plastic and elastomer. Give examples to clarify…

Q: Draw the structure of the monomer or monomers used to synthesize the following polymers, and…

A: Polymers are formed when monomers are combined together. Monomers are repeating units of molecules…

Q: Provide monomer components of this polymer

Q: the production of vinyl polymers using bulk methods

Q: Although styrene undergoes both cationic and anionic polymerization equally well, one method is…

A: A process in which tiny monomer molecules are combined to produce a large molecule which forms a…

Q: Which polymer is more apt to contain abnormal head-to-head linkages: poly(vinyl chloride) or…

A: Polystyrene is less apt to contain head to head linkages. It contains head to tail linkages. Poly…

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: 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: The molecular formula for polyethylene is C2H4 where atomic mass for carbon is 12 gmol1 and hydrogen…

A: Molecular formula of repeating unit of polyethylene=C2H4 Molecular weight of repeating unit of…

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: Would you expect polystyrene to remain in solution during the bulk polymerization of styrene? show…

A: Interpretation- To check that, is it possible that polystyrene to remain in the solution during…

Q: What requirement should be provided to achieve high yield and high molecular weight of polymer by…

Q: La) Draw the monomer: 2-cyclopentylhex-2-ene, and the addition polymer: poly-2-cyclopentylhex-2-ene.…

A: A question based on introduction to polymer that is to be accomplished.

Question

Polymers prepared by condensation polymerization are usually of high molecular weights, but the student has been finding difficulties to
produce a high molecular weight polymer using this technique in the lab. Give two reasons why this might be the case.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Types of Polymers on the Basis of Physical Properties

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Radical polymerization of styrene gives a linear polymer. Radical polymerization of a mixture of styrene and 1,4-divinylbenzene gives a cross-linked network polymer of the type shown in Figure 29.1. Show by drawing structural formulas how incorporation of a few percent of 1,4-divinylbenzene in the polymerization mixture gives a cross-linked polymer.
A synthetic polymer was produced via addition polymerization to a degree of polymerization of 925 and an average molecular weight of 40,700 g/mol. Of those listed below, which is most likely that polymer? Explain and support
Organic chemistry: brief introduction of interfacial polymerization by nylon
In a non-acid catalyzed step-growth polymerization between A-A and B-B monomers, the A groups are titratable by aqueous base (1 N) and [A-A] [B-B) = 6 mol.kg-1. a) What is the DP if it takes 100 mL of base to neutralize the reaction mixture at 700 minutes of reaction time (assuming the initial total weight 500 g)?...
Chain branching is not as common with anionic polymerization as it is with free-radical polymerization and cationic polymerization. Compare the relative stabilities of the intermediates in this mechanism with those you drew for chain branching in the cationic polymerization of styrene. Explain why chain branching is less common in this anionic polymerization.
a copolymer is made up of 40.01% polystyrene 20.38% acrylonyl and 31.51% polybutadiene a) Calculate the Molar Fraction b) the Degree of Polymerization if there is a weight of 320, 000 gr of copolymer c) carry out the polymerization reaction d) What is the name of this polymer and e) Mention some applications of some monomer