Question 1

A 5% acetic acid solution contains _____ grams of acetic acid per _____ grams of solution.

Accepted Answer

A)  5; 10 
B)  95; 100 
C)  100; 500 
D)  5; 500 
E)  50; 1000 
A)  5; 10 
B)  95; 100 
C)  100; 500 
D)  5; 500 
E)  50; 1000

Question 2

Which of these substances would exhibit dipole forces?

Accepted Answer

A)  N2 
B)  SO2 
C)  SiH4 
D)  BeCl2 
E)  CO2 
A)  N2 
B)  SO2 
C)  SiH4 
D)  BeCl2 
E)  CO2

Question 3

Which of these correctly describes a solid with a well-ordered structure?

Accepted Answer

A)  Cohesive 
B)  Crystalline 
C)  Amorphous 
D)  Neat 
E)  Compressed 
A)  Cohesive 
B)  Crystalline 
C)  Amorphous 
D)  Neat 
E)  Compressed

Question 4

Which of these substances would exhibit dipole forces?

Accepted Answer

A)  NCl3 
B)  Cl2 
C)  SiH4 
D)  CCl4 
E)  CO2 
A)  NCl3 
B)  Cl2 
C)  SiH4 
D)  CCl4 
E)  CO2

Question 5

Ethylene glycol is the primary component in antifreeze. How many grams of ethylene glycol (C  2  H  4  (OH)  2  ) are present in 394 mL of a 9.087 M solution of antifreeze (molar mass C  2  H  4  (OH)  2  = 62 g/mol)?

Accepted Answer

A)  222 g 
B)  43.7 g 
C)  3.58 g 
D)  2.69 g 
E)  0.157 g 
A)  222 g 
B)  43.7 g 
C)  3.58 g 
D)  2.69 g 
E)  0.157 g

Question 6

How many grams of CaCl  2  are present in 35.00 mL of a 0.237 M solution of CaCl  2  (molar mass CaCl  2  = 111 g/mol)?

Accepted Answer

A)  0.307 g 
B)  0.460 g 
C)  0.920 g 
D)  1.84 g 
E)  3.75 g 
A)  0.307 g 
B)  0.460 g 
C)  0.920 g 
D)  1.84 g 
E)  3.75 g

Question 7

Which of these substances is likely to have the strongest cohesive forces?

Accepted Answer

A)  HBr 
B)  CH3F 
C)  CH3OH 
D)  CH3OCH3 
E)  SiH4 
A)  HBr 
B)  CH3F 
C)  CH3OH 
D)  CH3OCH3 
E)  SiH4

Question 8

Which of these substances would have the strongest cohesive forces in combination with the greatest molecular mobility?

Accepted Answer

A)  H2O(l) 
B)  CH4(g) 
C)  KCl(s) 
D)  O2(g) 
E)  Au(s) 
A)  H2O(l) 
B)  CH4(g) 
C)  KCl(s) 
D)  O2(g) 
E)  Au(s)

Question 9

Which of these describes the process by which a liquid molecule at the surface of a liquid escapes to the gas phase?

Accepted Answer

A)  Melting 
B)  Sublimation 
C)  Evaporation 
D)  Deposition 
E)  Condensation 
A)  Melting 
B)  Sublimation 
C)  Evaporation 
D)  Deposition 
E)  Condensation

Question 10

Which of these factors does not affect the melting point of a substance?

Accepted Answer

A)  Cohesive attraction 
B)  Temperature 
C)  Molecular motion 
D)  Molecular structure 
E)  Shape 
A)  Cohesive attraction 
B)  Temperature 
C)  Molecular motion 
D)  Molecular structure 
E)  Shape

Question 11

Liquids that vaporize easily and have high vapor pressures are known as _____.

Accepted Answer

A)  volatile liquids 
B)  nonvolatile liquids 
C)  explosive liquids 
D)  cohesive liquids 
E)  adhesive liquids 
A)  volatile liquids 
B)  nonvolatile liquids 
C)  explosive liquids 
D)  cohesive liquids 
E)  adhesive liquids

Question 12

The dominant intermolecular attractive force(s) between CH  3  Cl molecules is/are _____.

Accepted Answer

A)  dipole forces 
B)  dispersion forces 
C)  hydrogen bonding 
D)  London forces 
E)  volatile forces 
A)  dipole forces 
B)  dispersion forces 
C)  hydrogen bonding 
D)  London forces 
E)  volatile forces

Question 13

What fraction of water on the planet is in readily usable forms such as streams and lakes?

Accepted Answer

A)  98% 
B)  47% 
C)  2.6% 
D)  14% 
E)  0.014% 
A)  98% 
B)  47% 
C)  2.6% 
D)  14% 
E)  0.014%

Question 14

Which of these substances make(s) up the largest fraction of water on the planet?

Accepted Answer

A)  Rain clouds 
B)  Oceans 
C)  Ground water 
D)  Lakes 
E)  Ice caps 
A)  Rain clouds 
B)  Oceans 
C)  Ground water 
D)  Lakes 
E)  Ice caps

Question 15

"Blue baby" is caused by the presence of _____ in drinking water.

Accepted Answer

A)  benzene 
B)  nitrogen 
C)  organic contaminants 
D)  biological contaminants 
E)  nitrates 
A)  benzene 
B)  nitrogen 
C)  organic contaminants 
D)  biological contaminants 
E)  nitrates

Question 16

_____ is an example of a volatile organic contaminant.

Accepted Answer

A)  Ethylbenzene 
B)  Chlorobenzene 
C)  Trichloroethylene 
D)  Asbestos 
E)  Benzene 
A)  Ethylbenzene 
B)  Chlorobenzene 
C)  Trichloroethylene 
D)  Asbestos 
E)  Benzene

Question 17

Which of these is not a disadvantage of hard water?

Accepted Answer

A)  It leaves a layer of slimy, gray scum on the sides of bathtubs. 
B)  It causes skin disorders in humans. 
C)  It causes the formation of scaly deposits on pipes. 
D)  It decreases the effectiveness of soaps. 
E)  It leaves stains on utensils and dishes. 
A)  It leaves a layer of slimy, gray scum on the sides of bathtubs. 
B)  It causes skin disorders in humans. 
C)  It causes the formation of scaly deposits on pipes. 
D)  It decreases the effectiveness of soaps. 
E)  It leaves stains on utensils and dishes.

Question 18

Rank Ne, HBr, CH  3  OH, and Ar in order of increasing   strength of cohesive forces (least to greatest).

Accepted Answer

A)  Ne 3OH 3OH 3OH 
E)  Ar 3OH < HBr 
A)  Ne 3OH 3OH 3OH 
E)  Ar 3OH < HBr

Question 19

Which of these is/are an organic contaminant?

Accepted Answer

A)  Lead 
B)  Mercury 
C)  Asbestos 
D)  Nitrates 
E)  Gasoline 
A)  Lead 
B)  Mercury 
C)  Asbestos 
D)  Nitrates 
E)  Gasoline

Question 20

Which of these substances in its/their liquid form contain(s) hydrogen bonds?
I. Hg
II. H2O
III. C2H5OH
IV. CH3CH3

Accepted Answer

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

A 5% acetic acid solution contains _ grams of acetic acid per _ grams of solution.

Which of these substances would exhibit dipole forces?

Which of these correctly describes a solid with a well-ordered structure?

Which of these substances would exhibit dipole forces?

Ethylene glycol is the primary component in antifreeze. How many grams of ethylene glycol (C ₂ H ₄ (OH) ₂ ) are present in 394 mL of a 9.087 M solution of antifreeze (molar mass C ₂ H ₄ (OH) ₂ = 62 g/mol)?

How many grams of CaCl ₂ are present in 35.00 mL of a 0.237 M solution of CaCl ₂ (molar mass CaCl ₂ = 111 g/mol)?

Which of these substances is likely to have the strongest cohesive forces?

Which of these substances would have the strongest cohesive forces in combination with the greatest molecular mobility?

Which of these describes the process by which a liquid molecule at the surface of a liquid escapes to the gas phase?

Which of these factors does not affect the melting point of a substance?

Liquids that vaporize easily and have high vapor pressures are known as _____.

The dominant intermolecular attractive force(s) between CH ₃ Cl molecules is/are _____.

What fraction of water on the planet is in readily usable forms such as streams and lakes?

Which of these substances make(s) up the largest fraction of water on the planet?

"Blue baby" is caused by the presence of _____ in drinking water.

_____ is an example of a volatile organic contaminant.

Which of these is not a disadvantage of hard water?

Rank Ne, HBr, CH ₃ OH, and Ar in order of increasing strength of cohesive forces (least to greatest).

Which of these is/are an organic contaminant?

Which of these substances in its/their liquid form contain(s) hydrogen bonds? I. Hg II. H₂O III. C₂H₅OH IV. CH₃CH₃

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology Online Only

Filters

Exam 12: The Liquids and Solids Around Us: Especially Water

A 5% acetic acid solution contains _____ grams of acetic acid per _____ grams of solution.

Which of these substances would exhibit dipole forces?

Which of these correctly describes a solid with a well-ordered structure?

Which of these substances would exhibit dipole forces?

Ethylene glycol is the primary component in antifreeze. How many grams of ethylene glycol (C 2 H 4 (OH) 2 ) are present in 394 mL of a 9.087 M solution of antifreeze (molar mass C 2 H 4 (OH) 2 = 62 g/mol)?

How many grams of CaCl 2 are present in 35.00 mL of a 0.237 M solution of CaCl 2 (molar mass CaCl 2 = 111 g/mol)?

Which of these substances is likely to have the strongest cohesive forces?

Which of these substances would have the strongest cohesive forces in combination with the greatest molecular mobility?

Which of these describes the process by which a liquid molecule at the surface of a liquid escapes to the gas phase?

Which of these factors does not affect the melting point of a substance?

Liquids that vaporize easily and have high vapor pressures are known as _____.

The dominant intermolecular attractive force(s) between CH 3 Cl molecules is/are _____.

What fraction of water on the planet is in readily usable forms such as streams and lakes?

Which of these substances make(s) up the largest fraction of water on the planet?

"Blue baby" is caused by the presence of _____ in drinking water.

_____ is an example of a volatile organic contaminant.

Which of these is not a disadvantage of hard water?

Rank Ne, HBr, CH 3 OH, and Ar in order of increasing strength of cohesive forces (least to greatest).

Which of these is/are an organic contaminant?

Which of these substances in its/their liquid form contain(s) hydrogen bonds? I. Hg II. H2O III. C2H5OH IV. CH3CH3

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology Online Only

Filters

A 5% acetic acid solution contains _ grams of acetic acid per _ grams of solution.

Ethylene glycol is the primary component in antifreeze. How many grams of ethylene glycol (C ₂ H ₄ (OH) ₂ ) are present in 394 mL of a 9.087 M solution of antifreeze (molar mass C ₂ H ₄ (OH) ₂ = 62 g/mol)?

How many grams of CaCl ₂ are present in 35.00 mL of a 0.237 M solution of CaCl ₂ (molar mass CaCl ₂ = 111 g/mol)?

The dominant intermolecular attractive force(s) between CH ₃ Cl molecules is/are _____.

Rank Ne, HBr, CH ₃ OH, and Ar in order of increasing strength of cohesive forces (least to greatest).

Which of these substances in its/their liquid form contain(s) hydrogen bonds? I. Hg II. H₂O III. C₂H₅OH IV. CH₃CH₃