Question 1

In order to form a condensation polymer from the following monomer,which other monomer should be selected?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 2

Ceramics are polymeric inorganic compounds that have low melting points.

Accepted Answer

A) True 
 B)False

Question 3

A peptide bond (also called an amide bond)joins two amino acids together.What atoms are linked by this bond?

Accepted Answer

A) C - O 
B) C - H 
C) C - N 
D) N - S 
E) S - C 
A) C - O 
B) C - H 
C) C - N 
D) N - S 
E) S - C

Question 4

What does LDPE mean?

Accepted Answer

Low-densit

Question 5

Which of these polymers is used in disposable cups and plates?

Accepted Answer

A) Polystyrene 
B) PVC 
C) Teflon 
D) Nylon 6,6 
E) Dacron 
A) Polystyrene 
B) PVC 
C) Teflon 
D) Nylon 6,6 
E) Dacron

Question 6

What is the name of the C60 molecule that resembles an architectural structure called a geodesic dome?

Accepted Answer

A) Graphene 
B) Buckminsterfullerene 
C) Geodene 
D) Soccerballene 
E) Buckene 
A) Graphene 
B) Buckminsterfullerene 
C) Geodene 
D) Soccerballene 
E) Buckene

Question 7

Vulcanization

Accepted Answer

A) leads to cross-linking of poly-cis-isoprene chains in rubber with sulfur. 
B) provides considerable elasticity in rubber. 
C) severs the carbon-carbon chain in rubber. 
D) provides a smooth surface to rubber. 
E) leads to cross-linking of poly-cis-isoprene chains in rubber with sulfur and provides considerable elasticity in rubber. 
A) leads to cross-linking of poly-cis-isoprene chains in rubber with sulfur. 
B) provides considerable elasticity in rubber. 
C) severs the carbon-carbon chain in rubber. 
D) provides a smooth surface to rubber. 
E) leads to cross-linking of poly-cis-isoprene chains in rubber with sulfur and provides considerable elasticity in rubber.

Question 8

What type of polymer is represented by the following repeating segment?

Accepted Answer

A) Polyamide 
B) Polyester 
C) Polyether 
D) Polyolefin 
E) Polyethylene 
A) Polyamide 
B) Polyester 
C) Polyether 
D) Polyolefin 
E) Polyethylene

Question 9

A polymer where the monomers are connected by an amide linkage are called polyamines.

Accepted Answer

A) True 
 B)False

Question 10

The segment represents the polymer named

Accepted Answer

A) polybutylene. 
B) polystyrene. 
C) polypropylene. 
D) polyvinyl chloride. 
E) polyethylene. 
A) polybutylene. 
B) polystyrene. 
C) polypropylene. 
D) polyvinyl chloride. 
E) polyethylene.

Question 11

What name is given to the bonds that make rubber much stronger and more rigid than natural polyisoprene (rubber)?

Accepted Answer

A) Sulfide bonds 
B) Cross-links 
C) Carbon-sulfides 
D) Bridge bonds 
E) Brawny bonds 
A) Sulfide bonds 
B) Cross-links 
C) Carbon-sulfides 
D) Bridge bonds 
E) Brawny bonds

Question 12

Which is the best description for the following structural representation of an addition polymer?

Accepted Answer

A) It is an atactic polymer. 
B) It is a syndiotactic polymer made from the monomer H2C=CHX. 
C) It is a syndiotactic polymer made from the monomer XHC=CHX. 
D) It is an isotactic polymer made from the monomer H2C=CHX. 
E) It is an isotactic polymer made from the monomer XHC=CHX. 
A) It is an atactic polymer. 
B) It is a syndiotactic polymer made from the monomer H2C=CHX. 
C) It is a syndiotactic polymer made from the monomer XHC=CHX. 
D) It is an isotactic polymer made from the monomer H2C=CHX. 
E) It is an isotactic polymer made from the monomer XHC=CHX.

Question 13

___________ _________ _________ are used in calculators,watches,and laptop computers because polarized light can be transmitted through one phase but not transmitted through another.

Accepted Answer

Liquid cry

Question 14

_________________ is the process where sulfur is used to create linkages between individual polymer chains in rubber.

Accepted Answer

The answer of _________________ is the process where sulfur is...

Question 15

Materials with a small energy gap between the valence band and the conduction band are called

Accepted Answer

A) conductors. 
B) insulators. 
C) metals. 
D) semiconductors. 
E) nonconductors. 
A) conductors. 
B) insulators. 
C) metals. 
D) semiconductors. 
E) nonconductors.

Question 16

Which of the following contains a phenyl group?

Accepted Answer

A) Polyethylene 
B) PVC 
C) Polystyrene 
D) Nylon 6,6 
E) Teflon 
A) Polyethylene 
B) PVC 
C) Polystyrene 
D) Nylon 6,6 
E) Teflon

Question 17

Polyethylene consisting primarily of unbranched chains is known as high-density polyethylene

Accepted Answer

A) True 
 B)False

Question 18

Which one of these materials is a copolymer?

Accepted Answer

A) Styrene-butadiene 
B) Polyvinyl chloride 
C) Polypropylene 
D) Poly-cis-isoprene 
E) Polyethylene 
A) Styrene-butadiene 
B) Polyvinyl chloride 
C) Polypropylene 
D) Poly-cis-isoprene 
E) Polyethylene

Question 19

A(n)________ __________ is made from two or more substances with different properties that remain separate in the bulk material.

Accepted Answer

The answer of A(n)________ __________ is made from two or...

Question 20

Describe the difference between a semiconductor and an insulator.

Accepted Answer

The gap between the valence ba

Exam 12: Modern Materials

In order to form a condensation polymer from the following monomer,which other monomer should be selected?

Ceramics are polymeric inorganic compounds that have low melting points.

A peptide bond (also called an amide bond)joins two amino acids together.What atoms are linked by this bond?

What does LDPE mean?

Which of these polymers is used in disposable cups and plates?

What is the name of the C60 molecule that resembles an architectural structure called a geodesic dome?

Vulcanization

What type of polymer is represented by the following repeating segment?

A polymer where the monomers are connected by an amide linkage are called polyamines.

The segment represents the polymer named

What name is given to the bonds that make rubber much stronger and more rigid than natural polyisoprene (rubber)?

Which is the best description for the following structural representation of an addition polymer?

___________ _________ _________ are used in calculators,watches,and laptop computers because polarized light can be transmitted through one phase but not transmitted through another.

_________________ is the process where sulfur is used to create linkages between individual polymer chains in rubber.

Materials with a small energy gap between the valence band and the conduction band are called

Which of the following contains a phenyl group?

Polyethylene consisting primarily of unbranched chains is known as high-density polyethylene

Which one of these materials is a copolymer?

A(n)________ __________ is made from two or more substances with different properties that remain separate in the bulk material.

Describe the difference between a semiconductor and an insulator.

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

What is the name of the C₆₀ molecule that resembles an architectural structure called a geodesic dome?

_______ _ _____ are used in calculators,watches,and laptop computers because polarized light can be transmitted through one phase but not transmitted through another.

A(n) __ is made from two or more substances with different properties that remain separate in the bulk material.