Which of the structures shown depicts the most stable carbocation intermediate formed in the hydrohalogenation reaction shown? CH₂ | V IV CH3 HX CH3 CH3 IV CH3 4

Q: (b) Compare the thermoplastic and thermoset polymer on the basis of: i. Molecular structure (in the…

A: Polymers are formed from monomers. Monomers are the large number of molecules combined together…

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

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Q: High-density polyethylene (HDPE) is an important grade of polyethylene. Draw a three repeat unit…

A: Repeat unit of polymer is known as monomer. Polymer is a macromolecule made up of large number of…

Q: Please give me a paragraph of discussion for Polyethylene (PE) membrane.

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Q: What is the basic mechanism of an Anionic polymer (acrylic acid based as carbomers) in regards to…

A: Answer - Anionic polymer - Anionic polymerization is a form of chain-growth polymerization that…

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: Briefly Discuss emulsion polymerization with necessary figure.

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Q: Fill in the blanks in the table for the following material: OH epoxy CH3 Repeat unit molecular…

A: Polymer is any class of natural or synthetic substances composed of very large molecules , called…

Q: Q_ The product of poly ethylene contains twelve molecules, four of the molecules have Dp-220. three…

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Q: Please help complete the sub-parts

A: The given answers for #(a), #(b) and #(c) are right.

Q: Chain-growth polymerization is a polymerization process that where unsaturated oligomers molecules…

A: Answer: FALSE Chain-growth polymerization is a polymerization technique where unsaturated MONOMER…

Q: H2C= CI CH2(CH2);CH2 CI

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Q: Please answer all questions. Give virrect structures for the substrate(s) and give the reaction…

A: Here we have to synthesize the given target compound 1-bromoethylbenzene from ethyl chloride in…

Q: #7: Draw/sketch representative structures for (a) homopolymers, (b) alternating copolymers, (c)…

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Q: Q.2: Discus the kinetics of addition polymerization reaction

A: Polymers are the macromolecules composed of smaller repeating units caller monomers and have high…

Q: 3. Describe the properties of elastomers , fibers, fabrics, and synthetic rubbers.

A: Elastomers are polymers that are having viscosity as well as elasticity and therefore are known as…

Q: what does the gantry arm doing that polymerization?

A: The gantry arm is a part of a large-format additive manufacturing system that uses polymer…

Q: 1. For each of the following, show the predominant polymer structure that results. Include all end…

A: Step 1: Step 2: Step 3:Step 4:

Q: The density of an unknown polymer is 1.875 g/cm³ with a % crystallinity of 50%. If the density when…

A: Density of a substance is representative of including both amorphous and crystalline structure.

Q: 1. Draw 2D chemical representations of atactic, syndiotactic, and isotactic polystyrene. 2.…

A: First  three question answered below:

Q: The kinetics of this same reaction w as studied at five different temperatures, and the rate…

A: The relationship between rate constant and activation energy is given by  K = A e-Ea / RT  where K =…

Q: Expalin that- A tri-bi functional monomer system gels at about 83% conversion during polymerization.

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Q: In this compound polymerization isomerism present or not?? Can we get 2:6:3 as simple ratio? [cog…

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Q: he synthesis of nylon proceeds through what type of polymerization? O Chain growth polymerization O…

A: Answer- Polymerization- Polymerization, any process in which relatively small molecules, called…

Q: bulletproof-inner is made of which polymer?

A: Bullet proof inner are material that blocks bullets from pistols and helps to escape from bullets.

Q: What is the best way to differentiate between Cohesion and Adhesion?

A: When to different type of molecules attract each other then it is known as adhesion. Whereas the…

Q: Which two of the following materials combinations are most likely to cause osteolysis (loss of bone…

A: Osteolysis can be caused by over activation of giant cells when certain combinations of materials…

Q: Ver age molecular w levage moleculow w Polymerization. .16 0,28 0.20

A: 1) Number-average molecular weight MN¯ : MN¯ = n1M1 + n2M2 + n3M3 + ....n1 + n2 + n3 + ....  2)…

Q: #7: Draw/sketch representative structures for (a) homopolymers, (b) alternating copolymers, (c)…

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Q: Emulsion are inherently unstable? 1- Yes 2- No

A: We have been asked that emulsions are inherently unstable or.not. Surface chemistry can be defined…

Q: acid) of the polymeric chains to produce large and narrow size porous structure, respectively.

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Q: Why PEEK polymer cannot be melt-processed with another polymer? To make a proper strand?

A: To explain:  PEEK polymer cannot be melt-processed with another polymer to make a proper strand.

Q: One of the following statements about fiber reinforced polymers is more accurate than the others.…

A: Fibre reinforced polymer is a composite, in which the polymer matrix is reinforced by fibre. Keeping…

Q: how many kilograms of S are needed to cross-link 20% of the cross-link positions in 300 kg of…

A: Polymers are the repeating chains of monomer molecules. Polymers have unique properties like…

Q: What aspect of thermoset polymers can be controlled to increase strength?

A: Thermosetting polymer or plastic is referred to those polymers which are hardened irreversibly by…

Q: OH НО

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Q: Demonstration: the specimens shown are (a) a piece of cured epoxy resin, (b) a rubber band, and (c)…

A: Thermosets are polymers in which a cross-linking reaction which occurs. It promotes the chemical…