Question 1

What is the expected product of the reaction between methanol (CH3OH) and phosphoric acid (H3PO4)?

Accepted Answer

Question 2

Recognize and draw structures of monosaccharides and polysaccharides.

Accepted Answer

Monosaccharides have the formula (CH₂O)_n, where n is between 3 and 6. A C-O-C linkage between two sugar molecules is termed a glycosidic bond. Polysaccharides in biological organisms act as structural materials or as reservoirs for energy storage.

Question 3

The mass, in nanograms, for a single DNA molecule (molar mass ca. 109 g/mol) is

Accepted Answer

A)  1.7 x 106 ng. 
B)  1.7 x 10-15 ng. 
C)  1.7 x 10-6 ng. 
D)  6.0 x 1014 ng. 
E)  6.0 x 105 ng. 
A)  1.7 x 106 ng. 
B)  1.7 x 10-15 ng. 
C)  1.7 x 10-6 ng. 
D)  6.0 x 1014 ng. 
E)  6.0 x 105 ng. C

Question 4

Which of the following are important polymer linkage groups?
I. ester
II. Carboxyl
III. Amide
IV. Amine
V. ether

Accepted Answer

A)  I, IV and V 
B)  I, III and V 
C)  I, II,and V 
D)  I, II and III 
E)  III and IV 
A)  I, IV and V 
B)  I, III and V 
C)  I, II,and V 
D)  I, II and III 
E)  III and IV

Question 5

How would you make a polymer that is flexible and low in density?

Accepted Answer

A)  have branches on the polymer 
B)  cross-linking 
C)  use a polymer with no branches 
D)  co-polymerizing 
E)  add a metal catalyst 
A)  have branches on the polymer 
B)  cross-linking 
C)  use a polymer with no branches 
D)  co-polymerizing 
E)  add a metal catalyst

Question 6

How would you make a polymer that is strong and rigid for a container?

Accepted Answer

A)  have branches on the polymer 
B)  cross-linking 
C)  add a metal catalyst 
D)  add an ingredient to hydrogen bond with the polymer 
E)  have more double bonds 
A)  have branches on the polymer 
B)  cross-linking 
C)  add a metal catalyst 
D)  add an ingredient to hydrogen bond with the polymer 
E)  have more double bonds

Question 7

The compound 1,5-hexadiene (below) has two double bonds that can participate in adding to polymers.   1,5-Hexadiene: Draw a segment of a co-polymer of 1,5-hexadiene and ethylene in which only one double bond of 1,5-hexadiene is involved in the polymerization process. The ratio of ethylene to 1,5-hexadiene is 4:1.

Accepted Answer

The answer of The compound 1,5-hexadiene (below) has two double...

Question 8

What could a side group such as the one shown below be used for on a polymer?

Accepted Answer

A)  used to make an elastomer 
B)  used to cross-link polymer chains 
C)  used to terminate 
D)  used in high density polymers 
E)  used to make a brittle polymer 
A)  used to make an elastomer 
B)  used to cross-link polymer chains 
C)  used to terminate 
D)  used in high density polymers 
E)  used to make a brittle polymer

Question 9

A glycosidic bond is made of what type of functional group?

Accepted Answer

A)  amide 
B)  ester 
C)  ether 
D)  ketone 
E)  polyester 
A)  amide 
B)  ester 
C)  ether 
D)  ketone 
E)  polyester

Question 10

What type of polymer would be best suited for a case that will contain heat-emitting equipment?

Accepted Answer

A)  thermoplastic 
B)  thermoset 
C)  elastomer 
D)  fibre 
E)  lightly cross-linked 
A)  thermoplastic 
B)  thermoset 
C)  elastomer 
D)  fibre 
E)  lightly cross-linked

Question 11

What is the complementary structure for the following DNA base sequence: TGGCTTAAT?

Accepted Answer

The answer of What is the complementary structure for the...

Question 12

Nucleic acids include which of the following?
I. nitrogen containing organic base
II. glycosidic linkage
III. pentose sugar
IV. carbonate linkage

Accepted Answer

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

Question 13

Use the following amino acid structures to answer questions 
  
-Sketch the sequence of the amino acid sequence, B-D-B-E, made via condensation reactions.

Accepted Answer

The answer of Use the following amino acid structures to...

Question 14

Most animals can digest starch but NOT cellulose. What is the major difference between starch and cellulose?

Accepted Answer

A)  type of sugar unit used to make the polymer 
B)  length of the polymer 
C)  type of glycosidic linkage 
D)  tertiary structure 
E)  molecular weight of the polymers 
A)  type of sugar unit used to make the polymer 
B)  length of the polymer 
C)  type of glycosidic linkage 
D)  tertiary structure 
E)  molecular weight of the polymers

Question 15

Sketch a polymer made from the polymerization of three units of 1,3 dipropyl alcohol (HOCH2CH2CH2OH ) via condensation reactions.

Accepted Answer

Question 16

Indentify the linkage group and the molecule eliminated when adipic acid, (CH2)4(COOH)2 and hexamethylenediamine, H2N(CH2)6NH2, polymerize via a condensation reaction to form Nylon 6,6.

Accepted Answer

Linkage gr

Question 17

The structure shown below is $\alpha$-glucose. If $\alpha$-galactose differs from $\alpha$-glucose only in the orientation of groups on the carbon in the fourth position, and $\alpha$-glucose differs from $\alpha$-glucose only in the orientation of groups on the carbon adjacent to the ring oxygen, draw the structure for $\beta$-galactose.$\alpha$-glucose

Accepted Answer

The answer of The structure shown below is $\alpha$-glucose. If...

Question 18

What is a typically propagation step for radical polymerization?

Accepted Answer

A)  two alkenes reacting together 
B)  a peroxide bond being cleaved 
C)  two radicals reacting together 
D)  a radical reacting with an alkene 
E)  reaction of a radical with cleaved peroxide 
A)  two alkenes reacting together 
B)  a peroxide bond being cleaved 
C)  two radicals reacting together 
D)  a radical reacting with an alkene 
E)  reaction of a radical with cleaved peroxide

Question 19

What type of bonding holds the double stranded DNA together?

Accepted Answer

A)  ionic 
B)  dipole interactions 
C)  hydrogen bonding 
D)  covalent bonding 
E)  dispersion forces 
A)  ionic 
B)  dipole interactions 
C)  hydrogen bonding 
D)  covalent bonding 
E)  dispersion forces

Question 20

Draw a line structure for a segment of the polymer polyvinyl chloride containing three monomer units (H2C=CHCl).

Accepted Answer

( @#IMG-DLM& 
, othe

What is the expected product of the reaction between methanol (CH₃OH) and phosphoric acid (H₃PO₄)?

Recognize and draw structures of monosaccharides and polysaccharides.

The mass, in nanograms, for a single DNA molecule (molar mass ca. 10⁹ g/mol) is

Which of the following are important polymer linkage groups? I. ester II. Carboxyl III. Amide IV. Amine V. ether

How would you make a polymer that is flexible and low in density?

How would you make a polymer that is strong and rigid for a container?

What could a side group such as the one shown below be used for on a polymer?

A glycosidic bond is made of what type of functional group?

What type of polymer would be best suited for a case that will contain heat-emitting equipment?

What is the complementary structure for the following DNA base sequence: TGGCTTAAT?

Nucleic acids include which of the following? I. nitrogen containing organic base II. glycosidic linkage III. pentose sugar IV. carbonate linkage

Use the following amino acid structures to answer questions -Sketch the sequence of the amino acid sequence, B-D-B-E, made via condensation reactions.

Most animals can digest starch but NOT cellulose. What is the major difference between starch and cellulose?

Sketch a polymer made from the polymerization of three units of 1,3 dipropyl alcohol (HOCH₂CH₂CH₂OH ) via condensation reactions.

Indentify the linkage group and the molecule eliminated when adipic acid, (CH₂)₄(COOH)₂and hexamethylenediamine, H₂N(CH₂)₆NH₂, polymerize via a condensation reaction to form Nylon 6,6.

What is a typically propagation step for radical polymerization?

What type of bonding holds the double stranded DNA together?

Draw a line structure for a segment of the polymer polyvinyl chloride containing three monomer units (H₂C=CHCl).

Fundamental Concepts of Chemistry

The Behaviour of Gases

Energy and Its Conservation

Atoms and Light

Atomic Energies and Periodicity

Fundamentals of Chemical Bonding

Theories of Chemical Bonding

Effects of Intermolecular Forces

Properties of Solutions

Organic Chemistrystructure

Organic Chemistryreactions

Spontaneity of Chemical Processes

Kinetics: Mechanisms and Rates of Reactions

Principles of Chemical Equilibrium

Aqueous Acidbase Equilibria

Applications of Aqueous Equilibria

Electron Transfer Reactions

The Transition Metals

The Main Group Elements

Nuclear Chemistry and Radiochemistry

Filters

Exam 18: Macromolecules

What is the expected product of the reaction between methanol (CH3OH) and phosphoric acid (H3PO4)?

Recognize and draw structures of monosaccharides and polysaccharides.

The mass, in nanograms, for a single DNA molecule (molar mass ca. 109 g/mol) is

Which of the following are important polymer linkage groups? I. ester II. Carboxyl III. Amide IV. Amine V. ether

How would you make a polymer that is flexible and low in density?

How would you make a polymer that is strong and rigid for a container?

What could a side group such as the one shown below be used for on a polymer?

A glycosidic bond is made of what type of functional group?

What type of polymer would be best suited for a case that will contain heat-emitting equipment?

What is the complementary structure for the following DNA base sequence: TGGCTTAAT?

Nucleic acids include which of the following? I. nitrogen containing organic base II. glycosidic linkage III. pentose sugar IV. carbonate linkage

Use the following amino acid structures to answer questions -Sketch the sequence of the amino acid sequence, B-D-B-E, made via condensation reactions.

Most animals can digest starch but NOT cellulose. What is the major difference between starch and cellulose?

Sketch a polymer made from the polymerization of three units of 1,3 dipropyl alcohol (HOCH2CH2CH2OH ) via condensation reactions.

Indentify the linkage group and the molecule eliminated when adipic acid, (CH2)4(COOH)2 and hexamethylenediamine, H2N(CH2)6NH2, polymerize via a condensation reaction to form Nylon 6,6.

What is a typically propagation step for radical polymerization?

What type of bonding holds the double stranded DNA together?

Draw a line structure for a segment of the polymer polyvinyl chloride containing three monomer units (H2C=CHCl).

Fundamental Concepts of Chemistry

The Behaviour of Gases

Energy and Its Conservation

Atoms and Light

Atomic Energies and Periodicity

Fundamentals of Chemical Bonding

Theories of Chemical Bonding

Effects of Intermolecular Forces

Properties of Solutions

Organic Chemistrystructure

Organic Chemistryreactions

Spontaneity of Chemical Processes

Kinetics: Mechanisms and Rates of Reactions

Principles of Chemical Equilibrium

Aqueous Acidbase Equilibria

Applications of Aqueous Equilibria

Electron Transfer Reactions

The Transition Metals

The Main Group Elements

Nuclear Chemistry and Radiochemistry

Filters

What is the expected product of the reaction between methanol (CH₃OH) and phosphoric acid (H₃PO₄)?

The mass, in nanograms, for a single DNA molecule (molar mass ca. 10⁹ g/mol) is

Sketch a polymer made from the polymerization of three units of 1,3 dipropyl alcohol (HOCH₂CH₂CH₂OH ) via condensation reactions.

Indentify the linkage group and the molecule eliminated when adipic acid, (CH₂)₄(COOH)₂and hexamethylenediamine, H₂N(CH₂)₆NH₂, polymerize via a condensation reaction to form Nylon 6,6.

Draw a line structure for a segment of the polymer polyvinyl chloride containing three monomer units (H₂C=CHCl).