Question 1

Match each type of fat to its description.
-Saturated

Accepted Answer

A)  Arises from hydrogenation of vegetable oils and is linked to increased risk of heart disease; usually found in fast foods and processed foods. 
B)  Contains more than one C=C double bond in the hydrocarbon chain 
C)  Contains only C-C single bonds, solid at room temperature. Found in butter, cheese and meat. 
D)  Contains at least one C=C double bond, usually a liquid at room temperature. Found in high quantities in olive oil, avocadoes and peanut oil. 
E)  Has a C=C double bond between carbon atoms #3 and #4, found in fish oil, flaxseed and canola oil. 
A)  Arises from hydrogenation of vegetable oils and is linked to increased risk of heart disease; usually found in fast foods and processed foods. 
B)  Contains more than one C=C double bond in the hydrocarbon chain 
C)  Contains only C-C single bonds, solid at room temperature. Found in butter, cheese and meat. 
D)  Contains at least one C=C double bond, usually a liquid at room temperature. Found in high quantities in olive oil, avocadoes and peanut oil. 
E)  Has a C=C double bond between carbon atoms #3 and #4, found in fish oil, flaxseed and canola oil. C

Question 2

The following molecule is pinene, a natural compound repellent to insects and found in the resin of pine and other trees and plants. Choose the correct chemical formula for pinene.

Accepted Answer

A)  C8H12 
B)  C8H14 
C)  C9H12 
D)  C10H16 
E)  C10H14 
A)  C8H12 
B)  C8H14 
C)  C9H12 
D)  C10H16 
E)  C10H14 D

Question 3

Of the structures drawn below, three are the same molecule and one is a different isomer. Choose the one that is different.

Accepted Answer

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

Question 4

The bonding geometry around carbon atoms in a benzene ring is

Accepted Answer

A)  planar. 
B)  tetrahedral. 
C)  octahedral. 
D)  trigonal pyramidal. 
A)  planar. 
B)  tetrahedral. 
C)  octahedral. 
D)  trigonal pyramidal.

Question 5

The process of hydrogenation converts a

Accepted Answer

A)  C=C double bond to a C-C single bond. 
B)  triglyceride into an omega-3 fatty acid. 
C)  straight-chain hydrocarbon into a branched hydrocarbon. 
D)  saturated fat into an unsaturated fat. 
A)  C=C double bond to a C-C single bond. 
B)  triglyceride into an omega-3 fatty acid. 
C)  straight-chain hydrocarbon into a branched hydrocarbon. 
D)  saturated fat into an unsaturated fat.

Question 6

Identify the number of carbon atoms in the following molecule.

Accepted Answer

A)  five 
B)  six 
C)  seven 
D)  eight 
A)  five 
B)  six 
C)  seven 
D)  eight

Question 7

Carbon atoms within alkanes have a(n) ______________ geometry

Accepted Answer

A)  tetrahedral 
B)  octahedral 
C)  trigonal 
D)  pyramidal 
E)  linear 
A)  tetrahedral 
B)  octahedral 
C)  trigonal 
D)  pyramidal 
E)  linear

Question 8

Explain why saturated fats are usually solids at room temperature, while unsaturated fats are usually liquids.

Accepted Answer

Saturated fats contain only C-C single b

Question 9

Different molecular structures that arise from rotating a single bond are called

Accepted Answer

A)  congeners. 
B)  isomers. 
C)  enantiomers. 
D)  conformers. 
A)  congeners. 
B)  isomers. 
C)  enantiomers. 
D)  conformers.

Question 10

Match the chemical names to the molecular structure.
-Trans-2-heptene

Accepted Answer

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

Question 11

Vitamin D3, following pictured as a line-angle drawing, is essential for healthy bones. Determine the number of carbon and hydrogen atoms in the molecule. There is also one oxygen atom present. Write the chemical formula for vitamin D3.

Accepted Answer

27 carbon atoms, 44

Question 12

Match each type of fat to its description.
-Trans

Accepted Answer

A)  Arises from hydrogenation of vegetable oils and is linked to increased risk of heart disease; usually found in fast foods and processed foods. 
B)  Contains more than one C=C double bond in the hydrocarbon chain 
C)  Contains only C-C single bonds, solid at room temperature. Found in butter, cheese and meat. 
D)  Contains at least one C=C double bond, usually a liquid at room temperature. Found in high quantities in olive oil, avocadoes and peanut oil. 
E)  Has a C=C double bond between carbon atoms #3 and #7, found in fish oil, flaxseed and canola oil. 
A)  Arises from hydrogenation of vegetable oils and is linked to increased risk of heart disease; usually found in fast foods and processed foods. 
B)  Contains more than one C=C double bond in the hydrocarbon chain 
C)  Contains only C-C single bonds, solid at room temperature. Found in butter, cheese and meat. 
D)  Contains at least one C=C double bond, usually a liquid at room temperature. Found in high quantities in olive oil, avocadoes and peanut oil. 
E)  Has a C=C double bond between carbon atoms #3 and #7, found in fish oil, flaxseed and canola oil.

Question 13

The __________ arrangement is the most stable for adjacent carbons in a hydrocarbon chain.

Accepted Answer

A)  ring 
B)  eclipsed 
C)  staggered 
D)  bonded 
E)  sandwich 
A)  ring 
B)  eclipsed 
C)  staggered 
D)  bonded 
E)  sandwich

Question 14

When two or more equivalent bonding arrangements exist in a molecule, they are called

Accepted Answer

A)  Lewis dot structures. 
B)  resonance structures. 
C)  isomers. 
D)  rotamers. 
E)  conformers. 
A)  Lewis dot structures. 
B)  resonance structures. 
C)  isomers. 
D)  rotamers. 
E)  conformers.

Question 15

Match the chemical names to the molecular structure.
-Cis-2-butene

Accepted Answer

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

Question 16

Identify the number of hydrogen atoms in the following molecule.

Accepted Answer

A)  14 
B)  12 
C)  6 
D)  8 
A)  14 
B)  12 
C)  6 
D)  8

Question 17

The hydrocarbon butane contains how many carbon atoms?

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  five 
E)  six 
A)  two 
B)  three 
C)  four 
D)  five 
E)  six

Question 18

How do double covalent bonds differ from single covalent bonds?

Accepted Answer

A)  They do not allow rotation. 
B)  They are shorter. 
C)  They lead to cis and trans isomers. 
D)  all of the above 
A)  They do not allow rotation. 
B)  They are shorter. 
C)  They lead to cis and trans isomers. 
D)  all of the above

Question 19

Match each type of fat to its description.
-Omega-3

Accepted Answer

A)  Arises from hydrogenation of vegetable oils and is linked to increased risk of heart disease; usually found in fast foods and processed foods. 
B)  Contains more than one C=C double bond in the hydrocarbon chain 
C)  Contains only C-C single bonds, solid at room temperature. Found in butter, cheese and meat. 
D)  Contains at least one C=C double bond, usually a liquid at room temperature. Found in high quantities in olive oil, avocadoes and peanut oil. 
E)  Has a C=C double bond between carbon atoms #3 and #6, found in fish oil, flaxseed and canola oil. 
A)  Arises from hydrogenation of vegetable oils and is linked to increased risk of heart disease; usually found in fast foods and processed foods. 
B)  Contains more than one C=C double bond in the hydrocarbon chain 
C)  Contains only C-C single bonds, solid at room temperature. Found in butter, cheese and meat. 
D)  Contains at least one C=C double bond, usually a liquid at room temperature. Found in high quantities in olive oil, avocadoes and peanut oil. 
E)  Has a C=C double bond between carbon atoms #3 and #6, found in fish oil, flaxseed and canola oil.

Question 20

Match the chemical names to the molecular structure.
-Trans-3-hexene

Accepted Answer

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

Match each type of fat to its description. -Saturated

The following molecule is pinene, a natural compound repellent to insects and found in the resin of pine and other trees and plants. Choose the correct chemical formula for pinene.

Of the structures drawn below, three are the same molecule and one is a different isomer. Choose the one that is different.

The bonding geometry around carbon atoms in a benzene ring is

The process of hydrogenation converts a

Identify the number of carbon atoms in the following molecule.

Carbon atoms within alkanes have a(n) ______________ geometry

Explain why saturated fats are usually solids at room temperature, while unsaturated fats are usually liquids.

Different molecular structures that arise from rotating a single bond are called

Match the chemical names to the molecular structure. -Trans-2-heptene

Vitamin D3, following pictured as a line-angle drawing, is essential for healthy bones. Determine the number of carbon and hydrogen atoms in the molecule. There is also one oxygen atom present. Write the chemical formula for vitamin D3.

Match each type of fat to its description. -Trans

The __________ arrangement is the most stable for adjacent carbons in a hydrocarbon chain.

When two or more equivalent bonding arrangements exist in a molecule, they are called

Match the chemical names to the molecular structure. -Cis-2-butene

Identify the number of hydrogen atoms in the following molecule.

The hydrocarbon butane contains how many carbon atoms?

How do double covalent bonds differ from single covalent bonds?

Match each type of fat to its description. -Omega-3

Match the chemical names to the molecular structure. -Trans-3-hexene

Antibiotics and Resistance: an Introduction to the Molecules of Life

Elements of Life and Death: The Chemistry of Elements and Atoms

Chemical Bonding

Molecular Diversity

Chemical Reactions

Monomers and Polymers

The Unusual Nature of Water

Molecules and Ions in Solution

Measuring Concentration

Acids and Bases

DNA: The Molecule of Heredity

From DNA to Proteins

Enzymes As Biological Catalysts

Drug Development

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Exam 4: Carbon: The Element of Life

Match each type of fat to its description. -Saturated

The following molecule is pinene, a natural compound repellent to insects and found in the resin of pine and other trees and plants. Choose the correct chemical formula for pinene.

Of the structures drawn below, three are the same molecule and one is a different isomer. Choose the one that is different.

The bonding geometry around carbon atoms in a benzene ring is

The process of hydrogenation converts a

Identify the number of carbon atoms in the following molecule.

Carbon atoms within alkanes have a(n) ______________ geometry

Explain why saturated fats are usually solids at room temperature, while unsaturated fats are usually liquids.

Different molecular structures that arise from rotating a single bond are called

Match the chemical names to the molecular structure. -Trans-2-heptene

Vitamin D3, following pictured as a line-angle drawing, is essential for healthy bones. Determine the number of carbon and hydrogen atoms in the molecule. There is also one oxygen atom present. Write the chemical formula for vitamin D3.

Match each type of fat to its description. -Trans

The __________ arrangement is the most stable for adjacent carbons in a hydrocarbon chain.

When two or more equivalent bonding arrangements exist in a molecule, they are called

Match the chemical names to the molecular structure. -Cis-2-butene

Identify the number of hydrogen atoms in the following molecule.

The hydrocarbon butane contains how many carbon atoms?

How do double covalent bonds differ from single covalent bonds?

Match each type of fat to its description. -Omega-3

Match the chemical names to the molecular structure. -Trans-3-hexene

Antibiotics and Resistance: an Introduction to the Molecules of Life

Elements of Life and Death: The Chemistry of Elements and Atoms

Chemical Bonding

Molecular Diversity

Chemical Reactions

Monomers and Polymers

The Unusual Nature of Water

Molecules and Ions in Solution

Measuring Concentration

Acids and Bases

DNA: The Molecule of Heredity

From DNA to Proteins

Enzymes As Biological Catalysts

Drug Development

Filters