Question 1

Which of the following purine bases can be found in a DNA nucleotide monomer?

Accepted Answer

A)  thymine 
B)  cytosine 
C)  adenine 
D)  guanine 
E)  a and c
F) b and d
G) all of the above 
A)  thymine 
B)  cytosine 
C)  adenine 
D)  guanine 
E)  a and c
F) b and d
G) all of the above G

Question 2

Vinyl chloride (C2H3Cl) undergoes addition polymerization to give a high molecular mass polymer. The best empirical formula for this product is.

Accepted Answer

A)  CH3Cl 
B)  C2H2 
C)  C2H3 
D)  C2H3Cl 
E)  C2HCl 
A)  CH3Cl 
B)  C2H2 
C)  C2H3 
D)  C2H3Cl 
E)  C2HCl D

Question 3

The alpha helix

Accepted Answer

A)  contains all information needed for the replication of an organism 
B)  is one of several structures adopted by polysaccharides 
C)  is the right-handed coil structure adopted by some proteins 
D)  is used to strengthen synthetic fibers. 
E)  None of the above 
A)  contains all information needed for the replication of an organism 
B)  is one of several structures adopted by polysaccharides 
C)  is the right-handed coil structure adopted by some proteins 
D)  is used to strengthen synthetic fibers. 
E)  None of the above C

Question 4

Reverse micelles

Accepted Answer

A)  Are formed in non-polar solvents 
B)  Can be formed in water 
C)  Will not form spherical clusters 
D)  Can be used to trap hydrocarbons 
A)  Are formed in non-polar solvents 
B)  Can be formed in water 
C)  Will not form spherical clusters 
D)  Can be used to trap hydrocarbons

Question 5

How many base pair triplets are available to encode genetic information?

Accepted Answer

A)  4 
B)  8 
C)  16 
D)  32 
E)  64 
A)  4 
B)  8 
C)  16 
D)  32 
E)  64

Question 6

If amphiphiles are dissolved in water

Accepted Answer

A)  They will form sheets of molecules 
B)  They will form spherical clusters with polar ends facing out 
C)  They will form spherical clusters with polar ends facing the center 
D)  Micelles will form 
E)  a and d
F) b and c 
A)  They will form sheets of molecules 
B)  They will form spherical clusters with polar ends facing out 
C)  They will form spherical clusters with polar ends facing the center 
D)  Micelles will form 
E)  a and d
F) b and c

Question 7

Fibrous proteins

Accepted Answer

A)  contain all information needed for the replication of an organism 
B)  are structural materials in nature 
C)  include most enzymes 
D)  b and c 
E)  none of the above 
A)  contain all information needed for the replication of an organism 
B)  are structural materials in nature 
C)  include most enzymes 
D)  b and c 
E)  none of the above

Question 8

In order to conduct electricity, conducting polymers must have

Accepted Answer

A)  Dopants located interstitially between polymeric chains 
B)  only single, s-type bonding 
C)  occasional triple bonds to allow for quick electron movement between adjacent species 
D)  alternating single and double bonds with conjugated p-type bonding 
E)  a and c
F) a and d
G) none of the above 
A)  Dopants located interstitially between polymeric chains 
B)  only single, s-type bonding 
C)  occasional triple bonds to allow for quick electron movement between adjacent species 
D)  alternating single and double bonds with conjugated p-type bonding 
E)  a and c
F) a and d
G) none of the above

Question 9

Either addition or condensation polymerization can be carried out with mixtures of two or more types of monomers present in the reactive mixture.

Accepted Answer

A) True 
 B)False

Question 10

The formula of 6-aminohexanoic acid is C6H13NO2. The compound undergoes condensation polymerization to give a straight-chained polyamide call nylon-6. The best empirical formula for nylon-6 is

Accepted Answer

A)  C6H13NO2 
B)  C6H12NO 
C)  C6H11N 
D)  C6H12NO2 
E)  C6H11NO 
A)  C6H13NO2 
B)  C6H12NO 
C)  C6H11N 
D)  C6H12NO2 
E)  C6H11NO

Question 11

Free radical polymerization can be terminated when two polymer chains collide.

Accepted Answer

A) True 
 B)False

Question 12

Straight chain hexose sugars contain four chiral carbon atoms. How many different molecular configurations are there for a given straight chain hexose sugar structure.

Accepted Answer

A)  2 
B)  4 
C)  16 
D)  256 
A)  2 
B)  4 
C)  16 
D)  256

Question 13

The isotactic, syndiotactic, and atactic forms of polypropylene differ in

Accepted Answer

A)  the functional groups they contain around the carbon backbone 
B)  the terminating functional groups they contain 
C)  the positions of the methyl groups around the carbon backbone 
D)  the number of methyl groups around the carbon backbone 
E)  both C and D 
A)  the functional groups they contain around the carbon backbone 
B)  the terminating functional groups they contain 
C)  the positions of the methyl groups around the carbon backbone 
D)  the number of methyl groups around the carbon backbone 
E)  both C and D

Question 14

Which of the following are steps in radical-induced addition polymerization?

Accepted Answer

A)  initiation 
B)  propagation 
C)  termination 
D)  all of the above 
E)  None of the above 
A)  initiation 
B)  propagation 
C)  termination 
D)  all of the above 
E)  None of the above

Question 15

What is the minimum number of active monomer sites required for cross linking?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  >4 
A)  1 
B)  2 
C)  3 
D)  4 
E)  >4

Question 16

Which of the following will affect the pitch of a liquid crystal?

Accepted Answer

A)  distance between planes with the same orientation 
B)  chain length 
C)  temperature 
D)  a and b 
E)  a and c 
A)  distance between planes with the same orientation 
B)  chain length 
C)  temperature 
D)  a and b 
E)  a and c

Question 17

Nucleotide monomers that make up DNA have exactly ______ parts.

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  6 
A)  2 
B)  3 
C)  4 
D)  6

Question 18

Which form of HDPE has the methyl groups arranged in a regular alternating conformation about the carbon backbone?

Accepted Answer

A)  atactic 
B)  isotactic 
C)  syndiotactic 
D)  zeolitic 
E)  none of the above 
A)  atactic 
B)  isotactic 
C)  syndiotactic 
D)  zeolitic 
E)  none of the above

Question 19

In DNA, genetic information is encoded by

Accepted Answer

A)  hydrogen bonding 
B)  the order of the amino acids 
C)  transfer polymerization 
D)  the order of the base pairs 
E)  none of the above 
A)  hydrogen bonding 
B)  the order of the amino acids 
C)  transfer polymerization 
D)  the order of the base pairs 
E)  none of the above

Question 20

Starch is best described as a

Accepted Answer

A)  lipid 
B)  simple sugar 
C)  amino acid 
D)  polysaccharide 
E)  peptide 
A)  lipid 
B)  simple sugar 
C)  amino acid 
D)  polysaccharide 
E)  peptide

Exam 23: Polymeric Materials and Soft Condensed Matter

Which of the following purine bases can be found in a DNA nucleotide monomer?

Vinyl chloride (C2H3Cl) undergoes addition polymerization to give a high molecular mass polymer. The best empirical formula for this product is.

The alpha helix

Reverse micelles

How many base pair triplets are available to encode genetic information?

If amphiphiles are dissolved in water

Fibrous proteins

In order to conduct electricity, conducting polymers must have

Either addition or condensation polymerization can be carried out with mixtures of two or more types of monomers present in the reactive mixture.

The formula of 6-aminohexanoic acid is C6H13NO2. The compound undergoes condensation polymerization to give a straight-chained polyamide call nylon-6. The best empirical formula for nylon-6 is

Free radical polymerization can be terminated when two polymer chains collide.

Straight chain hexose sugars contain four chiral carbon atoms. How many different molecular configurations are there for a given straight chain hexose sugar structure.

The isotactic, syndiotactic, and atactic forms of polypropylene differ in

Which of the following are steps in radical-induced addition polymerization?

What is the minimum number of active monomer sites required for cross linking?

Which of the following will affect the pitch of a liquid crystal?

Nucleotide monomers that make up DNA have exactly ______ parts.

Which form of HDPE has the methyl groups arranged in a regular alternating conformation about the carbon backbone?

In DNA, genetic information is encoded by

Starch is best described as a

The Atom in Modern Chemistry

Chemical Formulas, Equations, and Reaction Yields

Chemical Bonding: the Classical Description

Introduction to Quantum Mechanics

Quantum Mechanics and Atomic Structure

Quantum Mechanics and Molecular Structure

Bonding in Organic Molecules

Binding in Transition Metal Compounds and Coordination Complexes

The Gaseous State

Solids, Liquids, and Phase Transitions

Solutions

Thermodynamic Processes and Thermochemistry

Spontaneous Processes and Thermodynamic Equilibrium

Chemical Equilibrium

Acid-Base Equilibria

Solubility and Precipitation Equilibria

Electrochemistry

Chemical Kinetics

Nuclear Chemistry

Molecular Spectroscopy and Photochemistry

Structure and Bonding in Solids

Inorganic Materials

Filters

Vinyl chloride (C₂H₃Cl) undergoes addition polymerization to give a high molecular mass polymer. The best empirical formula for this product is.

The formula of 6-aminohexanoic acid is C₆H₁₃NO₂. The compound undergoes condensation polymerization to give a straight-chained polyamide call nylon-6. The best empirical formula for nylon-6 is