One kind of polyester is a condensation copolymer formed from terephthalic acid and ethylene glycol. Draw the structure of the dimer. [Hint: Water (circled) is eliminated when the bond between the monomers forms.] Hp-CH;-CH2-OH но OH Terephthalic acid Ethylene glycol

Q: The repeat unit in a polystyrene coffee cup has the formula C₆H₅CHCH₂. If the molar mass of the…

A: The degree of polymerization (DP or Xn) is defined as the number of monomer units in a polymer or…

Q: If PE and PVOH would be used to produce a biodegradable plastic bag, which of the intermolecular…

A: The monomers used to produce the biodegradable plastic bag are ethylene and vinyl alcohol

Q: Toluene is denser than water TRUE O FALSE O O

A: Does toluene is denser than water ?

Q: Indicate whether each statement is true or false:(a) Elastomers are rubbery solids.(b) Thermosets…

A: True, Elastomers are rubbery solids.they have elastic property. These polymer chain are held…

Q: 2. Polyacrylonitrile is an addition polymer made from the acrylonitrile monomer, CH2CHCN. How many…

A:

Q: Draw a ternary diagram of CaO-SiO2-Al2O3 where you pinpoint locations where common minerals found in…

A: The ternary diagram of CaO-SiO2-Al2O3 represents the computational depiction of melting point…

Q: Which one below is true for polymers? Density of crystalline polymer is less than that of amorphous…

A: Given statement is :  Which one below is true for polymers ?  a). Density of crystalline polymer is…

Q: Teflon is an addition polymer formed from the monomer shown here. Draw the structure of the polymer.…

A: Polymers are the macro molecules which are made by the repetition of smaller units. These small…

Q: What is a polymer? What is the difference between a polymer and a copolymer?

A: Polymer is a type of natural or synthetic substance which is composed of large number of…

Q: The repeat unit in polystyrene coffee cup has CH,CHCH,. If the molar mass of the polymer is 3.5 x 10…

A: Given that : molar mass of polymer = 3.5 × 105 g/mol Repeating unit is C6 H5 CHCH2  We need to find…

Q: 103. In acetic acid vapor, some molecules exist as monomers and some as dimers (see Figure 12-9). If…

A: As per bartleby guideline ,I am allowed to answer one question at one time.

Q: This refers to copolymer type whose arrangement of particles is  A-A-A-A-B-B-B-B ...

A: Copolymer type whose arrangement of particles is---   A-A-A-A-B-B-B-B ...

Q: a) Draw the structure of 3 units of the polymer Kevlar

A: The monomers are mentioned below:

Q: What is coal liquefaction?

A: Coal liquefaction has to be given below.

Q: Polyacrylonitrile (PAN) is an addition polymer with the struc- ture shown here. Draw the structure…

A: Polymers: A macromolecule which composed of a large number of small repeating units called monomers.…

Q: Three molecular requirements for crystallinity in polymers

A: POLYMERS: Polymer is a macromolecule which is made up of small monomer molecules that are…

Q: The polycarbonate Lexan is a condensation polymer and has the structure shown here: CH3 CH3 Assuming…

A: Applying concept of polymer formation by polymerization.

Q: Calculate the amount of energy in (k]) given off to convert 346g of H20(g) at 182°C to H20(I) at…

A: Since the boiling point of water is 100 0C  Hence the gaseous water will be first cooled to 100 0C…

Q: Polyacetylene is an addition polymer with the structure shown here. Draw the structure of the…

A: The polymers are additions of many monomers and they have various properties in them. There are two…

Q: (a) What molecular features make a polymer flexible? (b) Ifyou cross-link a polymer, is it more…

A: a. The intermolecular attractions between the polymeric chains can be hydrogen bonding, dispersion…

Q: 10 нннн нннн -С-С-с—с-С-С-С—с- HŘHŘ H R HŘ What type of polymer is illustrated in the diagram? * ,…

A:

Q: Hydrogen bonding can occur between molecules of methanal, HCHO, and molecules of liquid Y. What…

A:

Q: 1) ----- gives properties of erystalline solids so they dominate the material properties. 2) Crystal…

A: As per the guideline, since you have asked multiple question, we have solved the first question for…

Q: how many repeating un itc are there in the polymer ! what type of addition polymer? H. CI

A: Polymers are very large molecules with high molecular masses which are composed of many small…

Q: Which of the following polymers has a syndiotactic structure? A CH B CH D

A:

Q: The repeat unit in polystyrene coffee cup has C6H5CHCH2. If the molar mass of the polymer is…

A: Degree of polymerization = Molecular weight of polymerMolecular weight of monomer   Molar mass of…

Q: Write the chemical equation that represents the formation of(a) polychloroprene from chloroprene…

A: Polychloroprene also known as neoprene is formed by the polymerization reaction of the chloroprene…

Q: How do an addition polymer and a condensation polymer differ from each other?

A: Addition polymer:Polymers made up of monomers which are added without the loss of any atoms known as…

Q: The polymer Kevlar, a condensation polymer, is used as reinforcementin car tires, strings of archery…

A: Polymers Polymers are the structures made of long and repeating chains of molecules. The repeating…

Q: 15. Network polymer structure is. O A. Branching. O B. Liner. OC. Cross-link. 16. Strong bonding in…

A: Answers for questions number 15-17 with explanation given below.

Q: What kind of intermolecular forces act between an oxide anion and a chloramine molecule?

A: Answer: Molecular formula of Chloramine is: NH2Cl In In chloramine, two hydrogen atoms are attached…

Q: 10. The isotactic form of polypropane is

A: Answer: Option A  Polypropylene (PP) is a linear and saturated hydrocarbon polymer. Its standard…

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: 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: Which of the following have London dispersion forces? O methane O carbon tetrachloride O bromine…

A: The dispersion or London attraction forces are weak attraction forces. These forces depend on the…

Q: Rank the compounds below from lowest to highest viscosity based on their structures. (Hint: hydrogen…

A: Given compounds: 1-propanol, CH3CH2CH2OH propane, CH3CH2CH3 propanal, CH3CH2CH=O 1-propanamine,…

Q: An addition polymerization forms the polymer originallyused as Saran™ wrap. It has the following…

A: Please find below the polymerisation reaction along with the monomer.

Q: The following structure represents a monomer. H C = C CI CH, a. Deduce the chemical name of the…

A:

Q: Identification Type 1. Agroup of three numbers that indicate the orientation of a plane or set of…

A: Since you have posted multiple questions as well as multiple sub-parts, the first three sub-parts of…

Q: Given the following experimental data regarding "determination of molar mass of volatile liquid":…

A: Given the following experimental data regarding "determination of molar mass of volatile liquid":…

Q: ng your own words explain why ceramics are stronger and stiffer than polymers

A: Polymers can be defined as a large macromolecule made up from large number of monomers

Q: Which arrangement of atoms in a lattice representsclose-packing?

A: The first arrangement represents hexagonal close packing (ABABA...type arrangement). The…

Q: For a specific polymer, which of the following forms (isotactic, syndiotacytic, and atactic) will…

A:

Q: what is the final temp of an insulating polymer if a 69.30 g sample with specific heat of 8.315 J/g…

A: Given : Amount of heat absorbed = 4.0 KJ = 4000 J                       (Since 1 KJ = 1000 J)…

Q: (a) Consider the polymerization of isoprene (see below for the formula): Draw the chemical structure…

A: The polymerisation of isoprene involves different radical formations which gives a different type of…

Q: 4. Polymer structure are involve. A. One structure. B. Three structure. C. Two structure. D D

A: The monomers are combined chemically to form large molecular structure called polymers.