a. they maintain their shape and strength when heated. b. they must be heated to "set" or "lock in" their stru ctures. c. they offer increased strength but lose their shape upon further heating. d. chains are tied together by actual chemical bonds

Q: c) making the polymer involves coolln d) they are only made in labs (CH,CH,),CuLi CI b) CH3 NH…

A:

Q: Which is a glycoside?

A: Carbonyl compound (aldehyde and ketone) reacts with alcohol to form hemiacetal in the presence of an…

Q: Is polystyrene biodegradable or compostable and why??

A: If polystyrene biodegradable has to be given,

Q: What is a free radical? How is it involved in polymer formation?

A: ANSWER

Q: Why polymers are widely used in our daily life?

A: Polymers are materials made of long repeated chain of molecules. The materials have unique…

Q: Polyamides are very strong and are used in such products as Kevlar in body armour and Nomex in…

A: (1) Polyamides are one of the most important and most widely used classes of polymers. They are…

Q: Are polymers today becoming more sophisticated in structure? Why or why not?

A: Polymers basically are large macromolecules synthesized from their respective fragments or monomers…

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: In the war of the plastic bottles in 1977, the two polymers used were

A: The plastics bottles  are made up of polyethylene  and PET or Polystyrene  depending upon the use of…

Q: Define the process of Monomers to Polymers ?

A: Given process,       Monomers to Polymers

Q: Physical state of hexane

A: The Physical State of hexane is Liquid.

Q: What is an isomerization

A: Isomerisation can be defined as the chemical process by which a compound is transformed into an…

Q: name

A: Hydration of alkenes in acidic medium :  It is two step mechanism , first step is formation of…

Q: Describe how polymers are formed from monomers?

A: ANSWER IS DISCUSSED BELOW :

Q: 1. What are biodegradable polymers and their classification ( include its functions and importance)?

A:

Q: CI

A: The molecular structures in which two higher priority groups are located on the opposite side of the…

Q: The branched chain amino acids are _____________,_____________, and _____________.

A: Given The branched chain amino acids are _____________,_____________, and _____________.

Q: How do two monomers add together?

A: А mоnоmer is а mоleсule thаt саn reасt tоgether with оther mоnоmer mоleсules tо fоrm а lаrger…

Q: 1. Compare the synthetic and natural polymers and discuss how are they synthesized.

A:

Q: Enlist different functional groups and their structure and mention two examples each.

A: Functional groups are the specific group of atoms which exhibit distinct characteristics and…

Q: EXPLAIN HOW POLYCARBONATE WILL BE RECYCLED, MIXED, AND MOLDED AGAIN TO CREATE THE DESIRED SHAPE

A: When polycarbonate is heated to its melting point, it melts to a liquid form which can be shaped…

Q: 17. A. chain

A: Isomers are the compounds which have same molecular formula that is same empirical formula, but the…

Q: The reason for the development of polycrystalline material is because ( one sentence only)

A: Answer - polycrystalline material - A polycrystalline material is comprised of many small…

Q: 1) Discuss how polymerization changes the properties of any ensemble of amino acids so that a…

A: Proteins may be defined as compounds of high molar mass consisting largely or entirely of chains of…

Q: Use an example to show how branching and cross linking can affect the physical behavior of a…

A: Polymers are the macromolecules made up of same of different smaller units known as monomers. The…

Q: what is polymerization

A: Concept - When some molecules same or alike combine in large numbers, they make a large structures.…

Q: An alkane that has about 100,000 carbon atoms is called __________. Also what is this a type of?

A: Hydrocarbons are groups of compounds which contains only hydrogen and carbon.  Among the…

Q: How does crosslinking change the properties of polymer?

A:

Q: Name the following structures. (a) (b) (c) CI ÇI

A: (a) The given structure is, The parent carbon chain is hexane. In the second carbon atom, a triple…

Q: A. Molecules that contain which two functional groups are likely to have the highest boiling point?…

A: A.Molecules that contain Acid (-COOH) & Amide (-CONH2) functional groups are likely to have the…

Q: Identify the functional group of the structures,

A:

Q: A student is attempting to crack the hydrocarbon molecules in paraffin, to make shorter hydrocarbons…

A: Given: Experiment performing to break long hydrocarbons to small hydrocarbons.  To find: Lab safety…

Q: Explain the concept of setting up a polymer and provide two examples.

A: Polymers are the large molecule formed from the small monomer unit. Poly means many and mer means…

Q: Amylose (a form of starch) and cellulose are both polymers of glucose. What is the main structural…

A: Both amylose and cellulose are the polymers of glucose but they differ in their alpha and beta units…

Q: a) Define hydrocarbon compounds. b) Indicate the differences between propane and propene. c) Give a…

A:

Q: What is the molecular formula?

A: Atom is the smallest unit of a substance. Atoms combine to form a molecule which is a stable entity.…

Q: Write down the factors that control the Tg of polymers. Briefly discuss it.

A:

Q: Recycling of monomers instead of polymer may become an interesting option against environmental…

A: Polymer: Polymer are the molecules formed by repeating unit of molecule which include a large no. of…

Q: 1) (a) What is the difference between homopolymer and copolymer? (b) How can you classify the…

A: Polymers are the macromolecules of very high molecular mass ranging from 103 to 107 u. Each molecule…

Q: 10. O A. Polyethene. O B. PVC. O C. Wool. which naturally occurring polymer is.

A: Naturally occuring polymer are those polymer which are found natural . Men made polymer are called…

Q: Please name the structure, thanks

A: IUPAC naming of vanilylmandelic acid.

Q: Explain the general process observed for conjugated polyenes ?

A: Polyunsaturated alkenes or polyenes are compounds that have several C-C double bonds. The double…

Q: The boiling point of hydrocarbons decreases with increase in branching. Give reason.

A: The boiling point of hydrocarbons decreases with an increase in branching. Their reason has to be…

Q: How are the monomers of a polymer formed?

A: