Question 1

This symbol  
Is found on the bottom of a Coke bottle.What does the number mean?

Accepted Answer

A) The bottle may be recycled because it is made from PET. 
B) The bottle can not be recycled because it is made from PET. 
C) The bottle may be recycled because it is made from HDPE. 
D) The bottle can not be recycled because it is made from HDPE. 
A) The bottle may be recycled because it is made from PET. 
B) The bottle can not be recycled because it is made from PET. 
C) The bottle may be recycled because it is made from HDPE. 
D) The bottle can not be recycled because it is made from HDPE.

Question 2

Which of these statements are correct for condensation polymerization only?
I.Monomer units chemically bond together.
II.Product contains all the atoms of the starting material.
III.A second product,like water,is also formed during the polymerization process.

Accepted Answer

A) I only 
B) I and II 
C) II only 
D) I and III 
A) I only 
B) I and II 
C) II only 
D) I and III

Question 3

Which synthetic polymer is a copolymer?

Accepted Answer

A) PVC 
B) PS 
C) HDPE 
D) PET 
A) PVC 
B) PS 
C) HDPE 
D) PET

Question 4

This is the structure of propylene.  
Which of these does not represent a possible arrangement of monomers within polypropylene?

Accepted Answer

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

Question 5

What do Lycra ,Gore-Tex ,Saran™,Teflon ,and Formica have in common?

Accepted Answer

A) They are all brands produced by Dupont. 
B) They are all patents owned by Charles Watson. 
C) They are all specialized synthetic polymers. 
D) They are all approved for use by the FDA. 
A) They are all brands produced by Dupont. 
B) They are all patents owned by Charles Watson. 
C) They are all specialized synthetic polymers. 
D) They are all approved for use by the FDA.

Question 6

A monomer is

Accepted Answer

A) a single polymer chain. 
B) a polymer made from only one component. 
C) a small molecule used to make a polymer chain. 
D) a polymer molecule that only contains a single element. 
A) a single polymer chain. 
B) a polymer made from only one component. 
C) a small molecule used to make a polymer chain. 
D) a polymer molecule that only contains a single element.

Question 7

This is a representation of a plastic bag being stretched.Which statement best describes what is happening in the figure?

Accepted Answer

A) Molecular chains shift from a random orientation to align parallel to each other in the direction of the pulling force. 
B) During the pulling,the mixed-up polymer chains cross link to make the polymer stronger. 
C) The pulling force creates branches,causing a switch from high density to low density polymer. 
D) It is only a temporary distortion;once the pulling force stops,the plastic snaps back to the original orientation. 
A) Molecular chains shift from a random orientation to align parallel to each other in the direction of the pulling force. 
B) During the pulling,the mixed-up polymer chains cross link to make the polymer stronger. 
C) The pulling force creates branches,causing a switch from high density to low density polymer. 
D) It is only a temporary distortion;once the pulling force stops,the plastic snaps back to the original orientation.

Question 8

Polystyrene is used to make

Accepted Answer

A) foam coffee cups and CD cases. 
B) garbage bags and CDs. 
C) shoes and garden hoses. 
D) cell phones and contact lenses. 
A) foam coffee cups and CD cases. 
B) garbage bags and CDs. 
C) shoes and garden hoses. 
D) cell phones and contact lenses.

Question 9

When nylon forms,adipic acid (a diacid)reacts with 1,6-diaminohexane to eliminate a water molecule and form the polymer.What type of polymerization is this and why?

Accepted Answer

A) addition,because the two monomers add together 
B) condensation,because two monomers have condensed into one 
C) addition,because all the atoms of the monomers are in the product 
D) condensation,because water is eliminated 
A) addition,because the two monomers add together 
B) condensation,because two monomers have condensed into one 
C) addition,because all the atoms of the monomers are in the product 
D) condensation,because water is eliminated

Question 10

The polymerization of ethylene is initiated by a free radical.Which structure represents a free radical formed during the polymerization?

Accepted Answer

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

Question 11

Which functional groups include a nitrogen atom?
I.Carboxylic Acid
II.Ester
III.Amide
IV.Amine

Accepted Answer

A) I and II only 
B) I and IV only 
C) II,III and IV only 
D) III and IV only 
A) I and II only 
B) I and IV only 
C) II,III and IV only 
D) III and IV only

Question 12

The "Big Six" polymers are all classified as thermoplastics because they

Accepted Answer

A) are all used as insulators. 
B) can be melted and shaped. 
C) are all crystalline. 
D) are all amorphous. 
A) are all used as insulators. 
B) can be melted and shaped. 
C) are all crystalline. 
D) are all amorphous.

Question 13

Dacron is classified as a polyester.Which linkage is correct? (The gray areas represent the monomer backbones. )

Accepted Answer

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

Question 14

These are the two monomers used to synthesize Kevlar.  
Which of the following represent the products formed after one condensation reaction between the monomers?

Accepted Answer

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

Question 15

This graph compares the recycling of plastics in Sweden and the United States.  
From this graph it is apparent that the percentage of plastics that Sweden recycled in 2004 was approximately ___ times the percentage that was recycled in the United States in that year.

Accepted Answer

A) 80 
B) 8 
C) 6 
D) 4 
A) 80 
B) 8 
C) 6 
D) 4

Question 16

Which of these represents a portion of a polyester?

Accepted Answer

A)    
B)    
C)    
A)    
B)    
C)

Question 17

Incineration is a method used to dispose of used plastics.Which statement is false?

Accepted Answer

A) Plastics have higher energy content than coal. 
B) Provided that it is carefully monitored and controlled,damage to the environment is limited. 
C) Incineration of PVC may release hydrochloric acid,HCl,into the environment. 
D) Incineration is the best method because it has no drawbacks. 
A) Plastics have higher energy content than coal. 
B) Provided that it is carefully monitored and controlled,damage to the environment is limited. 
C) Incineration of PVC may release hydrochloric acid,HCl,into the environment. 
D) Incineration is the best method because it has no drawbacks.

Question 18

Polyethylene can be represented by this drawing.  
A molecule of polyethylene has n=1000.What is the molar mass of this molecule? The atomic masses are: C = 12.01 g/mol;H = 1.01 g/mol.

Accepted Answer

A) 1000 g/mol 
B) 14,030 g/mol 
C) 28,060 g/mol 
D) 56,120 g/mol 
A) 1000 g/mol 
B) 14,030 g/mol 
C) 28,060 g/mol 
D) 56,120 g/mol

Question 19

This pie chart gives the composition by weight of municipal solid waste (MSW)before recycling in 2008.  
Which of the following statements is not true?

Accepted Answer

A) There is about 2.6 times more paper waste than plastic waste. 
B) Plastic waste is more than the wood and glass waste combined. 
C) Plastic waste and food scraps are almost the same. 
D) The plastic and paper waste combined account for more than half the MSW. 
A) There is about 2.6 times more paper waste than plastic waste. 
B) Plastic waste is more than the wood and glass waste combined. 
C) Plastic waste and food scraps are almost the same. 
D) The plastic and paper waste combined account for more than half the MSW.

Question 20

The regions of a polymer where the long polymer molecules are arranged neatly and tightly in a regular pattern is called the ________ region.

Accepted Answer

A) crystalline 
B) amorphous 
C) condensed 
D) porous 
A) crystalline 
B) amorphous 
C) condensed 
D) porous

This symbol Is found on the bottom of a Coke bottle.What does the number mean?

Which of these statements are correct for condensation polymerization only? I.Monomer units chemically bond together. II.Product contains all the atoms of the starting material. III.A second product,like water,is also formed during the polymerization process.

Which synthetic polymer is a copolymer?

This is the structure of propylene. Which of these does not represent a possible arrangement of monomers within polypropylene?

What do Lycra ,Gore-Tex ,Saran™,Teflon ,and Formica have in common?

A monomer is

This is a representation of a plastic bag being stretched.Which statement best describes what is happening in the figure?

Polystyrene is used to make

When nylon forms,adipic acid (a diacid)reacts with 1,6-diaminohexane to eliminate a water molecule and form the polymer.What type of polymerization is this and why?

The polymerization of ethylene is initiated by a free radical.Which structure represents a free radical formed during the polymerization?

Which functional groups include a nitrogen atom? I.Carboxylic Acid II.Ester III.Amide IV.Amine

The "Big Six" polymers are all classified as thermoplastics because they

Dacron is classified as a polyester.Which linkage is correct? (The gray areas represent the monomer backbones. )

These are the two monomers used to synthesize Kevlar. Which of the following represent the products formed after one condensation reaction between the monomers?

This graph compares the recycling of plastics in Sweden and the United States. From this graph it is apparent that the percentage of plastics that Sweden recycled in 2004 was approximately ___ times the percentage that was recycled in the United States in that year.

Which of these represents a portion of a polyester?

Incineration is a method used to dispose of used plastics.Which statement is false?

Polyethylene can be represented by this drawing. A molecule of polyethylene has n=1000.What is the molar mass of this molecule? The atomic masses are: C = 12.01 g/mol;H = 1.01 g/mol.

This pie chart gives the composition by weight of municipal solid waste (MSW)before recycling in 2008. Which of the following statements is not true?

The regions of a polymer where the long polymer molecules are arranged neatly and tightly in a regular pattern is called the ________ region.

The Air We Breathe

Protecting the Ozone Layer

The Chemistry of Global Climate Change

Energy From Combustion

Water for Life

Neutralizing the Threat of Acid Rain

The Fires of Nuclear Fission

Energy From Electron Transfer

Manipulating Molecules and Designing Drugs

Nutrition: Food for Thought

Genetic Engineering and the Molecules of Life

Filters

Exam 9: The World of Polymers and Plastics

This symbol Is found on the bottom of a Coke bottle.What does the number mean?

Which of these statements are correct for condensation polymerization only? I.Monomer units chemically bond together. II.Product contains all the atoms of the starting material. III.A second product,like water,is also formed during the polymerization process.

Which synthetic polymer is a copolymer?

This is the structure of propylene. Which of these does not represent a possible arrangement of monomers within polypropylene?

What do Lycra ,Gore-Tex ,Saran™,Teflon ,and Formica have in common?

A monomer is

This is a representation of a plastic bag being stretched.Which statement best describes what is happening in the figure?

Polystyrene is used to make

When nylon forms,adipic acid (a diacid)reacts with 1,6-diaminohexane to eliminate a water molecule and form the polymer.What type of polymerization is this and why?

The polymerization of ethylene is initiated by a free radical.Which structure represents a free radical formed during the polymerization?

Which functional groups include a nitrogen atom? I.Carboxylic Acid II.Ester III.Amide IV.Amine

The "Big Six" polymers are all classified as thermoplastics because they

Dacron is classified as a polyester.Which linkage is correct? (The gray areas represent the monomer backbones. )

These are the two monomers used to synthesize Kevlar. Which of the following represent the products formed after one condensation reaction between the monomers?

This graph compares the recycling of plastics in Sweden and the United States. From this graph it is apparent that the percentage of plastics that Sweden recycled in 2004 was approximately ___ times the percentage that was recycled in the United States in that year.

Which of these represents a portion of a polyester?

Incineration is a method used to dispose of used plastics.Which statement is false?

Polyethylene can be represented by this drawing. A molecule of polyethylene has n=1000.What is the molar mass of this molecule? The atomic masses are: C = 12.01 g/mol;H = 1.01 g/mol.

This pie chart gives the composition by weight of municipal solid waste (MSW)before recycling in 2008. Which of the following statements is not true?

The regions of a polymer where the long polymer molecules are arranged neatly and tightly in a regular pattern is called the ________ region.

The Air We Breathe

Protecting the Ozone Layer

The Chemistry of Global Climate Change

Energy From Combustion

Water for Life

Neutralizing the Threat of Acid Rain

The Fires of Nuclear Fission

Energy From Electron Transfer

Manipulating Molecules and Designing Drugs

Nutrition: Food for Thought

Genetic Engineering and the Molecules of Life

Filters