Chemistry In Focus
7th Edition
ISBN: 9781337399692
Author: Tro, Nivaldo J.
Publisher: Cengage Learning,
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Question
Chapter 15, Problem 43E
Interpretation Introduction
Interpretation:
The given terms are to be defined.
Concept Introduction:
Various processes are involved in it, such as thermoplastics, additional and
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One of the critical properties of polymers is elasticity. The ability of many polymeric materials to be stressed and deformed but return to their original shape is a characteristic that is often valuable to engineers. Suggest a reason why polymer molecules are mostly elastic.
a. made of ionic solid
b. made of metallic solid
c. made of crystalline solid
d. made of amorphous solid
They tend to strengthen a material (such as a plastic) made from this polymer. They also make the polymer harder and more difficult to melt.
a. crosslinks
b. Thermoplastics
c. pendant groups
d. backbone
1. What is polymer?
a. A large molecule made by twisted chains.
b. A small molecule made of one atom.
c. A large molecule made by human.
d. A large molecule made by monomers.
Chapter 15 Solutions
Chemistry In Focus
Ch. 15 - Prob. 15.1YTCh. 15 - Prob. 1SCCh. 15 - Prob. 2SCCh. 15 - Prob. 3SCCh. 15 - Prob. 1ECh. 15 - Prob. 2ECh. 15 - Prob. 3ECh. 15 - Prob. 4ECh. 15 - Prob. 5ECh. 15 - Prob. 6E
Ch. 15 - Prob. 7ECh. 15 - Prob. 8ECh. 15 - Prob. 9ECh. 15 - Prob. 10ECh. 15 - Prob. 11ECh. 15 - Prob. 12ECh. 15 - Prob. 13ECh. 15 - Define eutrophication.Ch. 15 - Prob. 15ECh. 15 - Prob. 16ECh. 15 - Prob. 17ECh. 15 - Prob. 18ECh. 15 - Prob. 19ECh. 15 - What are the three types of interactions that...Ch. 15 - Prob. 21ECh. 15 - Prob. 22ECh. 15 - Prob. 23ECh. 15 - Prob. 24ECh. 15 - Prob. 25ECh. 15 - Prob. 26ECh. 15 - Prob. 27ECh. 15 - Prob. 28ECh. 15 - Prob. 29ECh. 15 - How do sunscreens protect your skin from the Suns...Ch. 15 - Prob. 31ECh. 15 - Prob. 32ECh. 15 - Prob. 33ECh. 15 - Prob. 34ECh. 15 - Prob. 35ECh. 15 - Prob. 36ECh. 15 - Prob. 37ECh. 15 - Prob. 38ECh. 15 - Prob. 39ECh. 15 - Prob. 40ECh. 15 - Prob. 41ECh. 15 - Prob. 42ECh. 15 - Prob. 43ECh. 15 - Prob. 44ECh. 15 - Prob. 45ECh. 15 - Prob. 46ECh. 15 - The salt bridges that hold hair protein (keratin)...Ch. 15 - Prob. 48ECh. 15 - The hydrochloric acid present in toilet bowl...Ch. 15 - Prob. 50ECh. 15 - Prob. 51ECh. 15 - Prob. 52ECh. 15 - Prob. 53ECh. 15 - Prob. 54ECh. 15 - Prob. 55ECh. 15 - Prob. 56ECh. 15 - Prob. 57ECh. 15 - Prob. 58ECh. 15 - Prob. 59ECh. 15 - Prob. 60ECh. 15 - Prob. 61ECh. 15 - Prob. 62ECh. 15 - Prob. 64ECh. 15 - Prob. 65E
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- If a polymer is said to be thermoplastic, this means that it a. will not decompose at any temperature. b. will not be brittle even at very low temperatures. c. will become fluid repeatedly upon heating. d. will never become fluid upon heating. e. will become fluid only once upon heatingarrow_forwardKindly help with this " material science and engineering " questionarrow_forward7. During condensation polymerization, many monomers join together. What is lost when two mon omers join together via a condensation reaction? carbon dioxide b. hydrochloric acid c. hydrogen gas а. d. waterarrow_forward
- 34. Cannot be heating and reshaped is. O A. Thermoset. OB. Thermoplastic. 35. The polymer is if heated too much, they burn is. A. Thermoset. B. Thermoplastic. As Production of plastic products. 36. The are A. Seven. B. Four. C. Three. D. Six.arrow_forwardIdentification Type 1. Agroup of three numbers that indicate the orientation of a plane or set of parallel planes of atoms in a crystal is called what? 2. A long chain giant organic molecules are assembled from many smaller molecules called monomers or mers. It comes from the Greek word poly meaning “many" and meros meaning "part". 3. It is the experimental science of determining the arrangement of atoms in solids. 4. List the classifications of Polymers based on composition. 5. List classification of Polymers based on physical property related to healing 6. What is a type of rock that contains minerals with important elements including metals? 7. What is the difference between Primary metals and Secondary metals? 8. Give an example of natural Polymer. 9. Give an example of Synthetic Polymer. Matching Type 1. Match the terms given in Column I with the compounds given in Column II. Column I Column II (1) Acid rain (ii) Photochemical smog (iii) Combination with haemoglobin (iv) Depletion…arrow_forwardi need the answer quicklyarrow_forward
- 15. Network polymer structure is. O A. Branching. B. Liner. C. Cross-link. 16. Strong bonding in organic chemistry is. O A. Covalent bonding. OB. Hydrogen bonding. C. Van der Waals. Is are cured into permanent shape is Cannot be re- 17. melted. A. Thermoplastics B. Thermosetting Plasticsarrow_forwardWhy 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 polymerarrow_forward3. Which of thefollowing is not a man-made polymer? a. polypropylene b. teflon C. polyurethane d. cottonarrow_forward
- a. Explain the differences between a pendant and stiffening groups in polymers.b. What is the effect of stiffening and softening groups on the properties ofpolymers? Explain by using suitable examples.arrow_forward12. Which is NOT TRUE aboutthermoplastic polymers? a. they maintain their shape and strength when heated. b. they must be heated to "set" or "lock in" their structures. c. they offer increased strength but lose their shapeupon further heating. d. chains are tied together by actual chemical bondsarrow_forwardWhat is polymer condensation?arrow_forward
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