Why is there no isotactic or syndiotactic form of polyethylene? a. monomer is symmetrical b. monomer can form only alternating or block polymer c. monomer is unsymmetrical d. monomer can form only graft or random polymer

Q: Using two monomers only (reactants). Each one of these two monomers should have two functional…

A: The solution is given below -

Q: 1. How would you explain to a young science student how to decide whether a given compound might be…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: High-density polyethylene (HDPE) is opaque while low-density polyethylene (LDPE) is transparent.…

A: Polyethene is widely used tharmoplastic now a days.Based on molecular structure it can be…

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: Different polymers have different properties. Explain

A: Polymer is a big molecule or macromolecule which is essentially a combination of many subunits.…

Q: hat is the monomer polyethene?

A: monomer of polyethene is

Q: List down the factors that affect the cationic polymerization.

A: A chain growth polymerization that involves a cationic initiator which shifts charge to any…

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: A garden hose is made of polyvinyl chloride (PVC) from chloroethene (vinyl chloride). Draw a portion…

A: Polyvinyl Chloride ( PVC ) is a polymer made from monomer vinyl chloride.

Q: What statements correctly describe the addition polymerization of isoprene? Select all the correct…

A:

Q: Teflon is the polymer used to create non-stick surfaces on cookware. The monomer for Teflon is…

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

Q: Describe vacuum forming/thermoforming processes. What are typical thermoformed plastic products?

A: According to Q&A guidelines of Bartleby, we are supposed to answer only one question out of…

Q: Which polymer uses this monomer? HO НО A) B) up C) D)

A: In this reaction we will use Condensation or step growth polymerization reaction. Condensation…

Q: (a) Describe the structure of each of the categories of polymers below. Thermoplastics: Thermosets:…

A: (a)  Thermoplastics: When we talk about thermoplastic structure the  flexible linear chain can be…

Q: 12. Which is NOT TRUE about thermoplastic polymers? a. they maintain their shape and strength when…

A: Option (a) is correct choice... Thermoplastic polymers become soft on heating and reshaped...

Q: 115) Which increases with increasing degree of polymerization? A. Conductivity B. Type of molecule…

A: Degree of polymerization of a polymer is defined as the ratio of molecular weight of the polymer…

Q: 1. Analyze the plastic Polyethylene terephthalate: a)What are the advantages (think properties)…

A: Polyethylene terephthalate stands for PET which is a type of plastic commonly used as a single use…

Q: What molecular structural features cause high-density polyethyleneto be denser than low-density…

A: Please find below the structure of polyethylene  HDPE = high density polyethylene  LDPE = Low…

Q: What is the primary structural feature necessary for a molecule to make it useful in a condensation…

A: Several monomers or oligomers (molecules with 3-10 repeating units), react with one another and…

Q: Which is NOT TRUE about thermoplastic polymers? a. they melt or deform on heating b. they cannot be…

A:

Q: How is polymerization similar to the coming together of individuals to form a committee or…

A: The polymer can be defined as a chemical compound that is formed by the combination of one or more…

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

A: Given: High‑density polyethylene (HDPE) is an important grade of polyethylene.

Q: Compare thermoplastic and thermosetting polymers: (a) according of mechanical characteristics upon…

A: The difference between thermoplastic and thermosetting polymers is ___________ ?

Q: LDPE or low-density polyethylene is one type of polymer resin that produces a plastic that is…

A: We have been asked to state the reason for the differences between LDPE and HDPE. The differences…

Q: In case of a bifunctional monomer, two reactive groups attach side by side to each other forming…

A: By taking a bifunctional monomer as an example and writing its polymerization step will indicate…

Q: What are addition polymers? Select one: a. Addition polymers are formed when small molecules (such…

A: On the basis of mode of polymerization, the polymers can be classified as addition polymers and…

Q: 35. The polymer is if heated too much, they burn is. A. Thermoset. B. Thermoplastic.

A: Thermo plastics soften on heating whereas thermosetting plastics do not soften on heating.…

Q: The following applications are associated with a particular polymer or plastic. Name the polymer,…

A: As per rules only 3 subparts of a question can be answered.   Polymers are repeating units of…

Q: The following applications are associated with a particular polymer or plastic. Name the polymer,…

A: As per rules only three subparts of a question can be answered.

Q: Differentiate between molecular structures and behaviours of thermoplastic and thermosetting…

A: When small molecules or units are combined together in large numbers then the substance formed is…

Q: Many monomers can form long polymer chains, but some can also form bonds with neighbouring polymer…

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Q: What is syndiotactic polymers ?

A: Syndiotactic Polymers: the polymers which have group attached in an alternate manner is called…

Q: Classify the following as either addition or condensation polymer. (i) Natural rubber (ii) Teflon…

A: An addition polymer is a polymer that forms by simple linking of monomers without the co-generation…

Q: High-density polyethylene (HDPE) fibre is used as liners for surgical gloves. Although the liner has…

A:

Q: Draw the structures of isotactic poly(acrylonitrile) and syndiotactic polystyrene.

A: The structures of isotactic poly(acrylonitrile) and syndiotactic polystyrene are given below,

Q: Why is there no isotactic or syndiotactic form of polyethylene? monomer can form only graft or…

A: Tacticity : The steric arrangement of the polymers is known as Tacticity. Isotactic: In a polymer if…

Q: wHAT are polycrystalline solids.? Give any two examples

A: A solid consisting of individual grains or crystallites in which each grain has a long range ordered…

Q: Determine which one would have higher crystallinity, and also briefly explain why. (a) Block…

A: Polymers are macromolecules that are formed by the reaction of smaller molecules like monomers.  A…

Q: 1. Define monomer and polymer?Monomer = _______________________________________________________…

A: Polymer and monomer are interrelated to each other and are defined as shown below:

Q: What is a polymerization reaction?

A: The repeating units of a macromolecule are known as Monomers.  Monomers combines together to form a…

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: The difference between rubber bands and car tyres is that: a.)Tyres are made through a process of…

A: Answer  The difference between rubber bands and car tyres

Q: 10/ Which of the features of the polymeric composites are their main advantages compared to the…

A: Polymeric composites are materials that are synthesized artificially by the combination of two or…

Q: Which other elements are also found in common household polymer?

A: The substance obtained by the linking of large monomeric units together using suitable reagent and…

Q: What is the differance between Thermoplastic Polymers and Thermosetting Polymers?

A: Thermoplastic polymers: These are polymers that are not linked to the other polymer chain. There are…