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Provide the mechanism whereby two radical chain ends undergo dispropotionation to give two dead chain ends. Provide the mechanism whereby two radical chain ends undergo dispropotionation to give two dead chain ends.

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Which type of polymerization can be used to polymerize isobutylene, (CH3) 2C=CH2?


A) anionic
B) cationic
C) radical
D) Ziegler-Natta

E) A) and B)
F) A) and C)

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Provide the structure of poly(methyl methacrylate).

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Provide the structure of azoisobutyronitrile, AIBN, and show the mechanism whereby it undergoes thermal decomposition to give two radicals and a molecule of N2.

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Provide the structure of poly(ethylene succinate).

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What type of intermediate is formed in the polymerization of styrene with butyllithium?


A) carbocation
B) carbanion
C) radical
D) radical anion

E) None of the above
F) A) and D)

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Consider the structure given below which might be found in a protein. Consider the structure given below which might be found in a protein. Answer the following questions by filling in the blank with the appropriate word or term. -Nitroethylene is expected to be _______ reactive than ethylene toward anionic polymerization. Answer the following questions by filling in the blank with the appropriate word or term. -Nitroethylene is expected to be _______ reactive than ethylene toward anionic polymerization. Consider the structure given below which might be found in a protein. Answer the following questions by filling in the blank with the appropriate word or term. -Nitroethylene is expected to be _______ reactive than ethylene toward anionic polymerization.

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Consider the structure shown below. Consider the structure shown below. This is an example of A) a polyurethane B) a polyester C) a polyamide D) a polycarbonate This is an example of


A) a polyurethane
B) a polyester
C) a polyamide
D) a polycarbonate

E) None of the above
F) C) and D)

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Rubber materials must have low _____ to behave as elastomers.

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glass tran...

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Ziegler-Natta catalysts, used to prepare linear polymer molecules, consist of: organoaluminum compounds and transition metal salts.

A) True
B) False

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Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provide -_________________ Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provide -_________________

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Consider the structure given below which might be found in a protein. Consider the structure given below which might be found in a protein. Answer the following questions by filling in the blank with the appropriate word or term. -The number of types of monomers in this structure is _______. Answer the following questions by filling in the blank with the appropriate word or term. -The number of types of monomers in this structure is _______.

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A polymer has the repeating unit drawn below: A polymer has the repeating unit drawn below: The two monomers used to make the polymer are shown below. The two monomers used to make the polymer are shown below. A polymer has the repeating unit drawn below: The two monomers used to make the polymer are shown below.

A) True
B) False

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What type of polymer is shown? What type of polymer is shown? A) polycarbonate B) polyester C) polyurethane D) polyether


A) polycarbonate
B) polyester
C) polyurethane
D) polyether

E) B) and D)
F) B) and C)

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MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Amorphous polymers that have the ability to stretch out and spring back to their original shape.


A) crystallite
B) elastomer
C) chain-growth polymer
D) Al(CH2CH3) 3 + TiCl4
E) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Amorphous polymers that have the ability to stretch out and spring back to their original shape. A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
F) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Amorphous polymers that have the ability to stretch out and spring back to their original shape. A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
G) thermoplastic
H) homopolymer
I) Tm
J) epoxy resins
K) copolymers
L) step-growth polymer
M) "catalyst"
N) Tg
O) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Amorphous polymers that have the ability to stretch out and spring back to their original shape. A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
P) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Amorphous polymers that have the ability to stretch out and spring back to their original shape. A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​ ​
​

Q) A) and I)
R) C) and E)

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MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Produced by reactions in which each bond in the polymer is formed independently of the others.


A) crystallite
B) elastomer
C) chain-growth polymer
D) Al(CH2CH3) 3 + TiCl4
E) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Produced by reactions in which each bond in the polymer is formed independently of the others. A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
F) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Produced by reactions in which each bond in the polymer is formed independently of the others. A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
G) thermoplastic
H) homopolymer
I) Tm
J) epoxy resins
K) copolymers
L) step-growth polymer
M) "catalyst"
N) Tg
O) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Produced by reactions in which each bond in the polymer is formed independently of the others. A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
P) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Produced by reactions in which each bond in the polymer is formed independently of the others. A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​ ​
​

Q) B) and O)
R) C) and E)

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MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Characteristic of crystallites


A) crystallite
B) elastomer
C) chain-growth polymer
D) Al(CH2CH3) 3 + TiCl4
E) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Characteristic of crystallites A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
F) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Characteristic of crystallites A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
G) thermoplastic
H) homopolymer
I) Tm
J) epoxy resins
K) copolymers
L) step-growth polymer
M) "catalyst"
N) Tg
O) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Characteristic of crystallites A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
P) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Characteristic of crystallites A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​ ​
​

Q) E) and J)
R) I) and M)

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MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Absent in amorphous domains


A) crystallite
B) elastomer
C) chain-growth polymer
D) Al(CH2CH3) 3 + TiCl4
E) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Absent in amorphous domains A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
F) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Absent in amorphous domains A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
G) thermoplastic
H) homopolymer
I) Tm
J) epoxy resins
K) copolymers
L) step-growth polymer
M) "catalyst"
N) Tg
O) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Absent in amorphous domains A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
P) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Absent in amorphous domains A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​ ​
​

Q) E) and H)
R) C) and G)

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MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ a Ziegler-Natta catalyst


A) crystallite
B) elastomer
C) chain-growth polymer
D) Al(CH2CH3) 3 + TiCl4
E) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ a Ziegler-Natta catalyst A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
F) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ a Ziegler-Natta catalyst A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
G) thermoplastic
H) homopolymer
I) Tm
J) epoxy resins
K) copolymers
L) step-growth polymer
M) "catalyst"
N) Tg
O) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ a Ziegler-Natta catalyst A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​
P) MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ a Ziegler-Natta catalyst A) crystallite B) elastomer C) chain-growth polymer D) Al(CH<sub>2</sub>CH<sub>3</sub>) <sub>3</sub> + TiCl<sub>4</sub> E) F) G) thermoplastic H) homopolymer I) T<sub>m</sub> J) epoxy resins K) copolymers L) step-growth polymer M) catalyst N) T<sub>g</sub> O) P) ​ ​ ​
​

Q) E) and P)
R) M) and O)

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Which of the following combinations of terms best describes the polymerization of a diisocyanate (OCN−R−NCO) and a diol to form a polyurethane?


A) step growth addition
B) step growth condensation
C) chain growth addition
D) chain growth condensation

E) A) and B)
F) A) and C)

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