18. Is a plastic verb or a material? Explain by the help of the below diagram [1]Stress (MPa)Slope-EStrainFigure A1.11. Young's modulus of the polymer.

Plastic is a particular kind of polymer, which typically refers to something that can be molded or…

Answered: 18. Is a plastic verb or a material?…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1/The technological classification of polymers depends on the ‎physical properties. ‎ TrueFalse2/The M.Wt of polymers more than 10^6‎ TrueFalse3/‎(n) represents the number of repetitive unit in the polymers.‎ TrueFalse4/Branched polymers are brittle.‎ TrueFalse5/M.Wt distribution depends on( Mv).‎ TrueFalse6/Dispersion forces are Vander Waals Forces.‎ TrueFalse7/‎(L.D.P.E) is branched polymer.‎ TrueFalse
Peter Parker is looking for new materials for his synthetic web. Materials generally involve polymers, which are long, repeating molecules, which can be linear or branched, which can have molecular masses in the order of thousands or tens of thousands of Daltons. To prepare polymers, advanced reactions are usually required, such as coupling reactions, Ziegler – Natta, advanced oxidations, among others. The characteristics of the polymer depend of the properties of the geometry and polarity of its precursors, so Parker decides to study different precursors proposed by Tony Stark. Help Parker with his investigation: a) Stark proposes to Parker that he can use some anions as crosslinking ligands between cationic polymers to increase the strength of your webs. He proposes you to try the anions of sodium dithionite (Na2S2O4), lithium borohydride (LiBH4), calcium hexafluorophosphate (Ca (PF6)2), ammonium fluorophosphate ((NH4)2PO3F) and sodium thiosulfate (Na2S2O3). Propose the most probable…
Compounds can rotate around bonds and form different shapes - different conformations. The shape that the molecule is most likely to assume is influenced by the strain. Strain increases the energy of a different conformation. A compound can experience three different types of strain: angular strain, torsional strain, and steric strain. Due to the interactions and repulsions between different molecules, a compound can consist of any, all, or none of these three strains. Steric strain is seen when different atoms within a structure are bumping into each other. a) b) H H H H. H c) d) HH H H H H. Н. H H H H H Which of these structures appear to be exhibiting steric strain? O d Incerrect Torsional strain is seen when neighboring bonds are aligned. a) b) H H H H H H H c) d) H H H H H Which of these structures appear to be exhibiting torsional strain? Incorrect
hydrogen bond polar covalent bond ionicbond non-polar covalent bond peptide bond glycosidic bond (you might want to look this one up) ______ 11. the bond holding several molecules of water together ______ 12. the bond holding the atoms of a salt molecule together ______ 13. the bond that holds the monomers of a protein together ______ 14. the bond holding glucose and fructose together in a sucrose molecule ______ 15. the bond holding the hydrogen and oxygen atoms together to form a water molecule
You come across a bottle in the stock room labeled CHCl3 Do you expect this molecule to interact more with water (H2O) or methane (CH4)?Explain why.
11. polymerization involves at least two different monomers. Choose Addition structure of thermplastiss Condensation S. Substitution Oxidation
Do higher molecular weight polymers have a higher elastic modulus? Give a reason why this is/is not the case.
3. Give the structure of the addition polymer (Teflon). [total 4 point] Br Br + Br
312. Subject :- Chemistry
in cosmetics, why would a LDP Liquid Dispersible Polymer or pre-neutralized acrylate polymer be more advantageous that a regular powdered crosslinked or linear acrylic acid based homopolymer / copolymer?
I need more reasons why it's no longer used.
Synthetic rubber is prepared from butadiene, C4H6. How many monomers are needed to make a polymer with a molar mass of 1.18×105 g/mol? _____ Units

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18. Is a plastic verb or a material? Explain by the help of the below diagram [1] Stress (MPa) Slope-E Strain Figure A1.11. Young's modulus of the polymer.