Which of the following three compounds: - polyethylene [essentially no vapor pressure at 1 atm] - menthone [medium vapor pressure at 1 atm] - benzoic acid [low vapor pressure at 1 atm] Is most likely to be amenable to purification by sublimation? Why

Q: During our lectures on polymeric materials, I used polyethylene as an example because of its very…

A: Polymerization of ethylene and formation of polyethylene takes place as follows:

Q: Give handwritten answer- Write three characteristic features for Zieglar Natta polymerization.

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Q: Nylon -synthetic polymer -silk like thermoplastic, generally made from petroleum. -use : shirts,…

A: Synthetic polymers are those polymers which are prepared in the laboratories. These are also called…

Q: - Draw the correct monomeric structure for poly(methyl-a-cyanoacrylate) using the ook's method of…

A: The answer is given below

Q: What is the repeating unit in the condensation polymer obtained by combining HO2CCH2CH2CO2H…

A: Given reaction,              Condensation polymer obtained by combining HO2CCH2CH2CO2H (succinic…

Q: 1. Given the monomers shown below нно =C-C-OH H H онннно H-N CH),N-H HO-C-C-C=Ċ-C-C- a. Show the…

A: In homopolymers, the monomer units are found to be identical. Example: the polymerization of the…

Q: Nylon was designed to be a synthetic silk. The average molar mass of a batch of nylon 6,6 is 19000…

A: Given: a. Average molar mass=19000 g/mol b. Alanine, glycine and serine To find: a. Number of…

Q: The two main subdivisions of polymers are and The main difference between the two types of polymers…

A: Solution :    The polymer is a larger molecule that is made up of smaller repeating units. Their…

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: Identify the monomer(s) for the following polymer. ... -OH (A LOH НООС- -COOH and HO ... LOCH3 -COOH…

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Q: Why can't chemical recycling-that is, the conversion of polymer to monomers and re-conversion of…

A: In the preparation of low density polythene, very high pressure is required which is around 1000 to…

Q: How do Ethene monomers react with each other? Give an equation of polymer chain?

A: The smallest alkene ethylene or ethene, C2H4, which consists of two carbon atoms that are each…

Q: In the polymerization of polyethelene, the monomer is the ______________

A: In the polymerization of polyethelene, the monomer is the ethylene or ethene.  H2C=CH2…

Q: PVA has an average molar mass of 78,000 g/mol. On average, how many [CH2CHOH] monomer units are in a…

A: Given : Average molar mass of PVA = 78000 g/mol. And monomer unit is CH2CHOH.

Q: HDPE, PP, PA are mainly homopolymers, is this true?

A: Yes HDPE, PP, PA is HOMOPOLYMER.  Homopolymer  is defined as a polymer  that has same monomer unit.…

Q: - Prepared each of the following polymers as copolymers:- 1- Poly (phosphazene-Siloxane) 3- Poly…

A: When different mononers polymerize then they give co polymers.We have to prepare the Co-Polymers of…

Q: Draw out the basic repeating unit of sodium alginate polymer.

A: Sodium alginate polymer: The molecular formula of the sodium alginate is C6H7NaO6n. It is a natural…

Q: Which of the following options correctly shows the structure of the two-monomer repeating unit of…

A: Two different monomer units each having double bonds undergo polymerization to form a copolymer.

Q: Draw the monomer unit(s) from which the following polymer is made. fo

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Q: Nylon 10,10 is an extremely tough, strong polymer used to make reinforcing rods for concrete. Draw a…

A: Nylon 10,10 formed by the condensation of sebacic acid and 1,10- decanediamine with elimination of…

Q: Click the "draw structure" button to launch the drawing utility. What polymer is formed by the…

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Q: glyptal polymer is obtained from glycol by reacting with which acid?

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Q: How many of the following contain "hydrogen-bonds' Kevlar, Polyethylene, Chitin, Nylon. Silk,…

A: Since you have asked multiple questions, we will answer only first question for you. In order to get…

Q: When polyethylene is made by free radical polymerization, the resulting polymer has a significant…

A: The free radical at one end of one growing chain encounters a hydrogen atom in the middle of another…

Q: Expain the two major classes of synthetic polymers:

A: Polymers are the molecules of high molecular mass and are made up of small repeating units. They are…

Q: We have a polyethylene sample containing 4000 chains with molecular weights between 0 and 5000…

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Q: We have a polyethylene sample containing 400 chains with molecular weight 5000 g/mol, 800 chains…

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Q: Which representation(s) show polymer structures that are likely to result in rigid, hard materials…

A: According to the question,  We need to determine which representation(s) show polymer structures…

Q: What is Polyethylene terephthalate ?

A: Polyethylene terephthalate

Q: Polystyrene synthetic polymer Monomer - styrene It is clear,hard,brittle and rigid Use- rigid…

A: Synthetic polymers are polymers that do not occur naturally in nature and are made by scientists and…

Q: Which of these polymers is a polyurethane? A) B) HN -NH n C) D ) H3C CH3 N'

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Q: in the process of condensation polymerization, monomers are involved which funtional groups of:  A)…

A: Given options, A) Different kind B) All group C) Same kind D) None of the above

Q: Why can't chemical recycling–that is, the conversion of polymer to monomers and reconversion of…

A: In the preparation of low density polythene, very high pressure is required which is around 1000 to…

Q: CH CH CH: CH CH a) b) он d) e) iv) Which polymer represents the structure of a regenerated protein…

A: Polymer are made up of repeating unit of one compound  which is called monomer and they are large…

Q: Explain with more details, how you can prepare poly(propylene oxide) by using Anionic and Cationic…

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Q: Talk about polystyrene in general (detailed explanation), while writing references cited from it

A: Polystyrene (PS): Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard,…

Q: Draw a 6-monomer chain of polystyrene with "head to head" orientation.

A: Styrene is the monomer of the polystyrene. Polystyrene is formed by the free radical vinyl…

Q: Poly(lactic acid) (PLA) has received much recent attention because the lactic acid monomer…

A: Polylactic acid is a thermoplastic polyester having backbone formula C3H4O2n. It can be obtained by…

Q: Charles Goodyear discovered that if sulfur is added to rubber and the mixture is heated, the rubber…

A: When rubber is heated with sulfur, the polymer chains gets cross linked by sulfur bridges. These…

Q: a. What molecular features make a polymer flexible? Explain how cross-linking affects the properties…

A: Interpretation- Which molecule features make polymer flexible and effects of crosslinking on the…

Q: Draw the monomer unit(s) which can be used to prepare the following polymers.

A: The polymer is made up of small monomer units. The given monomer units are formed by the addition…

Q: 1. Identify the name of this compound +o-CH,CH, -OCO- 2. Which one is CRU of Polyethylene? 3. Which…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The monomer glycine (NH2-CH2-COOH) can undergo condensation polymerization to form polyglycine, in…

A: The amino acid glycine seems to have a single hydrogen atom along its side chain.

Q: can you explain to me in details the manufacturing process of polystyrene ?

A: The manufacturing process of ploystyrene is described below.

Q: Low-density polyethylene (LDPE) has a higher degree of chain branching than highdensity polyethylene…

A: Unbranched polyethylene packs more efficiently into compact structure which have more mass per unit…

Q: The segment -CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 - represents the polymer O a. polyhexene O b.…

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