Question 1

What is the strongest intermolecular that exists between molecules of acetone in the liquid or solid state?

Accepted Answer

A)  dispersion forces 
B)  dipole-dipole forces 
C)  hydrogen bonds 
D)  ionic interactions 
E)  None of the above 
A)  dispersion forces 
B)  dipole-dipole forces 
C)  hydrogen bonds 
D)  ionic interactions 
E)  None of the above

Question 2

Does isopropyl alcohol have a higher or lower boiling point than acetone?

Accepted Answer

A)  higher, because isopropyl alcohol can hydrogen bond 
B)  lower, because isopropyl alcohol can hydrogen bond 
C)  higher, because isopropyl alcohol can form dispersion forces 
D)  lower, because isopropyl alcohol can form dispersion forces 
E)  It is not possible to determine the answer based on the information provided. 
A)  higher, because isopropyl alcohol can hydrogen bond 
B)  lower, because isopropyl alcohol can hydrogen bond 
C)  higher, because isopropyl alcohol can form dispersion forces 
D)  lower, because isopropyl alcohol can form dispersion forces 
E)  It is not possible to determine the answer based on the information provided.

Question 3

Are any bonds in acetone, shown below, polar?

Accepted Answer

A)  No, none are polar. 
B)  Yes, the C-C bonds are polar. 
C)  Yes, the C=O bond are polar. 
D)  Yes, the C-H bonds are polar. 
E)  Yes, all bonds in acetone are polar. 
A)  No, none are polar. 
B)  Yes, the C-C bonds are polar. 
C)  Yes, the C=O bond are polar. 
D)  Yes, the C-H bonds are polar. 
E)  Yes, all bonds in acetone are polar.

Question 4

A sample of gaseous neon has a volume of 68.2 L at STP. How many moles of neon are in the sample?

Accepted Answer

A)  0.328 moles 
B)  3.04 moles 
C)  68.2 moles 
D)  1530 moles 
E)  4.11 F1F1F1S1F1F1F10 1025 moles 
A)  0.328 moles 
B)  3.04 moles 
C)  68.2 moles 
D)  1530 moles 
E)  4.11 F1F1F1S1F1F1F10 1025 moles

Question 5

What is the molecular geometry of the carbon indicated by the arrow in this molecule of acetone?

Accepted Answer

A)  linear 
B)  bent 
C)  trigonal planar 
D)  trigonal pyramidal 
E)  tetrahedral 
A)  linear 
B)  bent 
C)  trigonal planar 
D)  trigonal pyramidal 
E)  tetrahedral

Question 6

Which has a higher partial pressure of oxygen: inhaled air or exhaled air?

Accepted Answer

A)  inhaled air, because our lungs absorb some of the oxygen in the air 
B)  exhaled air, because our lungs absorb some of the oxygen in the air 
C)  inhaled air, because oxygen is removed from the body by breathing 
D)  exhaled air, because oxygen is removed from the body by breathing 
E)  The partial pressures in inhaled and exhaled air are equal because air always contains the same concentration of oxygen. 
A)  inhaled air, because our lungs absorb some of the oxygen in the air 
B)  exhaled air, because our lungs absorb some of the oxygen in the air 
C)  inhaled air, because oxygen is removed from the body by breathing 
D)  exhaled air, because oxygen is removed from the body by breathing 
E)  The partial pressures in inhaled and exhaled air are equal because air always contains the same concentration of oxygen.

Question 7

A liquid has temperature A as shown on the heating curve. What will happen to the temperature of the liquid if heat is added to it?

Accepted Answer

A)  The temperature will stay the same. 
B)  The temperature will decrease. 
C)  The temperature will increase and then decrease. 
D)  The temperature will increase. 
E)  It is not possible to determine what will happen to the temperature of the liquid by looking at the chart. 
A)  The temperature will stay the same. 
B)  The temperature will decrease. 
C)  The temperature will increase and then decrease. 
D)  The temperature will increase. 
E)  It is not possible to determine what will happen to the temperature of the liquid by looking at the chart.

Question 8

Which of the following is NOT a common use of a hyperbaric oxygen therapy (HBOT) chamber?

Accepted Answer

A)  treatment of diabetic wounds 
B)  treatment of hypertension 
C)  treatment of the bends 
D)  treatment of carbon monoxide poisoning 
E)  All of the above are common uses of HBOT. 
A)  treatment of diabetic wounds 
B)  treatment of hypertension 
C)  treatment of the bends 
D)  treatment of carbon monoxide poisoning 
E)  All of the above are common uses of HBOT.

Question 9

You boil a pot of water (H2O) to make spaghetti and, when the water reaches its boiling point, you notice that it bubbles. What are these bubbles composed of?

Accepted Answer

A)  nothing 
B)  H2 
C)  O2 
D)  H2 and O2 
E)  H2O 
A)  nothing 
B)  H2 
C)  O2 
D)  H2 and O2 
E)  H2O

Question 10

Which of the following instruments is used to measure atmospheric pressure?

Accepted Answer

A)  a barometer 
B)  a hydrometer 
C)  a sphygmomanometer 
D)  a manometer 
E)  an atmospherometer 
A)  a barometer 
B)  a hydrometer 
C)  a sphygmomanometer 
D)  a manometer 
E)  an atmospherometer

Question 11

On a cool morning (12F1F1F1S1F1F1F10C), a balloon is filled with 1.5 L of helium. By mid-afternoon, the temperature has soared to 32F1F1F1S1F1F1F10C. What is the new volume of the balloon?

Accepted Answer

A)  720 L 
B)  11.3 L 
C)  1.6 L 
D)  1.4 L 
E)  0.20 L 
A)  720 L 
B)  11.3 L 
C)  1.6 L 
D)  1.4 L 
E)  0.20 L

Question 12

Which of the following properties is not a property of gases?

Accepted Answer

A)  Gas particles move in constant random motion. 
B)  The higher the temperature of a gas, the greater its kinetic energy. 
C)  Gases are compressible. 
D)  Dispersion forces are the only type of attractive forces found in gases. 
E)  A sample of a gas is mostly empty space. 
A)  Gas particles move in constant random motion. 
B)  The higher the temperature of a gas, the greater its kinetic energy. 
C)  Gases are compressible. 
D)  Dispersion forces are the only type of attractive forces found in gases. 
E)  A sample of a gas is mostly empty space.

Question 13

Which of the following statements about the relationship between pressure and temperature is true?

Accepted Answer

A)  As temperature increases, the volume of a gas decreases. 
B)  The volume of a gas is unaffected by temperature changes. 
C)  The volume of a gas is affected by temperature changes, but it is not possible to predict how it is affected. 
D)  Increasing the temperature would make some of the gas escape from the balloon, decreasing the volume. 
E)  As temperature increases, the volume of a gas also increases. 
A)  As temperature increases, the volume of a gas decreases. 
B)  The volume of a gas is unaffected by temperature changes. 
C)  The volume of a gas is affected by temperature changes, but it is not possible to predict how it is affected. 
D)  Increasing the temperature would make some of the gas escape from the balloon, decreasing the volume. 
E)  As temperature increases, the volume of a gas also increases.

Question 14

Which statement best describes why steam burns are more severe than boiling water burns?

Accepted Answer

A)  Steam transfers more heat energy to the skin than boiling water due to the change of state from gas to liquid. 
B)  Steam remains hot in the air while water cools quickly as it pours. 
C)  Steam is hotter than boiling water. 
D)  Steam covers the skin more thoroughly than water. 
E)  Actually, steam does not cause more severe burns than boiling water. 
A)  Steam transfers more heat energy to the skin than boiling water due to the change of state from gas to liquid. 
B)  Steam remains hot in the air while water cools quickly as it pours. 
C)  Steam is hotter than boiling water. 
D)  Steam covers the skin more thoroughly than water. 
E)  Actually, steam does not cause more severe burns than boiling water.

Question 15

Which statement best describes how heat energy is involved in changing water into steam?

Accepted Answer

A)  Heat energy breaks the intermolecular forces holding molecules of water together. 
B)  Heat energy is released from intermolecular forces as the molecules of water break apart. 
C)  Heat energy breaks the covalent bonds holding molecules of water together. 
D)  Heat energy is released from covalent bonds as the molecules of water break apart. 
E)  Heat energy is not involved in this change. 
A)  Heat energy breaks the intermolecular forces holding molecules of water together. 
B)  Heat energy is released from intermolecular forces as the molecules of water break apart. 
C)  Heat energy breaks the covalent bonds holding molecules of water together. 
D)  Heat energy is released from covalent bonds as the molecules of water break apart. 
E)  Heat energy is not involved in this change.

Question 16

What is the electron geometry of the carbon indicated by the arrow in this molecule of acetone?

Accepted Answer

A)  linear 
B)  bent 
C)  trigonal planar 
D)  trigonal pyramidal 
E)  tetrahedral 
A)  linear 
B)  bent 
C)  trigonal planar 
D)  trigonal pyramidal 
E)  tetrahedral

Question 17

The temperature of a gas at 1.00 atm and 8.00F1F1F1S1F1F1F10C is increased to 20.0F1F1F1S1F1F1F10C, resulting in a change of pressure. Which equation would you use to calculate the new pressure?

Accepted Answer

A)  P1V1 = P2V2 
B)  P1/V1 = P2/V2 
C)  P1T1=P2T2 
D)  P1/T1 = P2/T2 
E)  V1/n2 =V2/n2 
A)  P1V1 = P2V2 
B)  P1/V1 = P2/V2 
C)  P1T1=P2T2 
D)  P1/T1 = P2/T2 
E)  V1/n2 =V2/n2

Question 18

Which of the following types of molecules would you expect to have the highest vapor pressure at a given temperature?

Accepted Answer

A)  nonpolar molecules, because there are few intermolecular forces holding them together 
B)  nonpolar molecules, because there are many intermolecular forces holding them together 
C)  polar molecules, because there are some intermolecular forces holding them together 
D)  ionic compounds, because there are many intermolecular forces holding them together 
E)  ionic compounds, because there are few intermolecular forces holding them together 
A)  nonpolar molecules, because there are few intermolecular forces holding them together 
B)  nonpolar molecules, because there are many intermolecular forces holding them together 
C)  polar molecules, because there are some intermolecular forces holding them together 
D)  ionic compounds, because there are many intermolecular forces holding them together 
E)  ionic compounds, because there are few intermolecular forces holding them together

Question 19

Which of the following statements best describes how hyperbaric oxygen therapy is used to treat carbon monoxide poisoning?

Accepted Answer

A)  The oxygen replaces the carbon monoxide bound to hemoglobin. 
B)  The oxygen removes the carbon monoxide from the lungs. 
C)  The oxygen weakens the attraction of carbon monoxide to hemoglobin. 
D)  The oxygen immediately saturates the brain, preventing brain damage. 
E)  The oxygen reacts with carbon monoxide to form carbon dioxide. 
A)  The oxygen replaces the carbon monoxide bound to hemoglobin. 
B)  The oxygen removes the carbon monoxide from the lungs. 
C)  The oxygen weakens the attraction of carbon monoxide to hemoglobin. 
D)  The oxygen immediately saturates the brain, preventing brain damage. 
E)  The oxygen reacts with carbon monoxide to form carbon dioxide.

Question 20

One of the symptoms of the bends is joint pain. Why does joint pain occur with the bends?

Accepted Answer

A)  Nitrogen bubbles expand in the joints as pressure decreases. 
B)  The bends causes muscle spasms, which leads to joint pain. 
C)  The bends causes a loss of cartilage in joints. 
D)  Lactic acid is released as a stress response. 
E)  The reason for joint pain is unknown. 
A)  Nitrogen bubbles expand in the joints as pressure decreases. 
B)  The bends causes muscle spasms, which leads to joint pain. 
C)  The bends causes a loss of cartilage in joints. 
D)  Lactic acid is released as a stress response. 
E)  The reason for joint pain is unknown.

What is the strongest intermolecular that exists between molecules of acetone in the liquid or solid state?

Does isopropyl alcohol have a higher or lower boiling point than acetone?

Are any bonds in acetone, shown below, polar?

A sample of gaseous neon has a volume of 68.2 L at STP. How many moles of neon are in the sample?

What is the molecular geometry of the carbon indicated by the arrow in this molecule of acetone?

Which has a higher partial pressure of oxygen: inhaled air or exhaled air?

A liquid has temperature A as shown on the heating curve. What will happen to the temperature of the liquid if heat is added to it?

Which of the following is NOT a common use of a hyperbaric oxygen therapy (HBOT) chamber?

You boil a pot of water (H₂O) to make spaghetti and, when the water reaches its boiling point, you notice that it bubbles. What are these bubbles composed of?

Which of the following instruments is used to measure atmospheric pressure?

On a cool morning (12C), a balloon is filled with 1.5 L of helium. By mid-afternoon, the temperature has soared to 32C. What is the new volume of the balloon?

Which of the following properties is not a property of gases?

Which of the following statements about the relationship between pressure and temperature is true?

Which statement best describes why steam burns are more severe than boiling water burns?

Which statement best describes how heat energy is involved in changing water into steam?

What is the electron geometry of the carbon indicated by the arrow in this molecule of acetone?

The temperature of a gas at 1.00 atm and 8.00C is increased to 20.0C, resulting in a change of pressure. Which equation would you use to calculate the new pressure?

Which of the following types of molecules would you expect to have the highest vapor pressure at a given temperature?

Which of the following statements best describes how hyperbaric oxygen therapy is used to treat carbon monoxide poisoning?

One of the symptoms of the bends is joint pain. Why does joint pain occur with the bends?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 5: Changes of State and the Gas Laws

What is the strongest intermolecular that exists between molecules of acetone in the liquid or solid state?

Does isopropyl alcohol have a higher or lower boiling point than acetone?

Are any bonds in acetone, shown below, polar?

A sample of gaseous neon has a volume of 68.2 L at STP. How many moles of neon are in the sample?

What is the molecular geometry of the carbon indicated by the arrow in this molecule of acetone?

Which has a higher partial pressure of oxygen: inhaled air or exhaled air?

A liquid has temperature A as shown on the heating curve. What will happen to the temperature of the liquid if heat is added to it?

Which of the following is NOT a common use of a hyperbaric oxygen therapy (HBOT) chamber?

You boil a pot of water (H2O) to make spaghetti and, when the water reaches its boiling point, you notice that it bubbles. What are these bubbles composed of?

Which of the following instruments is used to measure atmospheric pressure?

On a cool morning (12C), a balloon is filled with 1.5 L of helium. By mid-afternoon, the temperature has soared to 32C. What is the new volume of the balloon?

Which of the following properties is not a property of gases?

Which of the following statements about the relationship between pressure and temperature is true?

Which statement best describes why steam burns are more severe than boiling water burns?

Which statement best describes how heat energy is involved in changing water into steam?

What is the electron geometry of the carbon indicated by the arrow in this molecule of acetone?

The temperature of a gas at 1.00 atm and 8.00C is increased to 20.0C, resulting in a change of pressure. Which equation would you use to calculate the new pressure?

Which of the following types of molecules would you expect to have the highest vapor pressure at a given temperature?

Which of the following statements best describes how hyperbaric oxygen therapy is used to treat carbon monoxide poisoning?

One of the symptoms of the bends is joint pain. Why does joint pain occur with the bends?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

You boil a pot of water (H₂O) to make spaghetti and, when the water reaches its boiling point, you notice that it bubbles. What are these bubbles composed of?