Question 1

What is the type of bond between H-O in a water molecule?

Accepted Answer

A) coordinate covalent bond 
B) hydrogen bond 
C) nonpolar covalent bond 
D) polar covalent bond 
E) none of the above 
A) coordinate covalent bond 
B) hydrogen bond 
C) nonpolar covalent bond 
D) polar covalent bond 
E) none of the above D

Question 2

Consider the following liquids with similar molar masses.Predict which has the strongest intermolecular attraction based only on vapor pressure data.

Accepted Answer

A) acetic acid (vapor pressure @ 20 °C = 14 mm Hg) 
B) butane (vapor pressure @ 20 °C = 1550 mm Hg) 
C) ethyl chloride (vapor pressure @ 20 °C = 1050 mm Hg) 
D) ethyl methyl ether (vapor pressure @ 20 °C = 1260 mm Hg) 
E) isopropyl alcohol (vapor pressure @ 20 °C = 35 mm Hg) 
A) acetic acid (vapor pressure @ 20 °C = 14 mm Hg) 
B) butane (vapor pressure @ 20 °C = 1550 mm Hg) 
C) ethyl chloride (vapor pressure @ 20 °C = 1050 mm Hg) 
D) ethyl methyl ether (vapor pressure @ 20 °C = 1260 mm Hg) 
E) isopropyl alcohol (vapor pressure @ 20 °C = 35 mm Hg) A

Question 3

Complete the following chemical equation and indicate the products. K(s)+ H₂O(l)→

Accepted Answer

A) k₂O + H₂ 
B) k₂O + H₂O₂ 
C) KOH + H₂ 
D) KOH + O₂ 
E) KOH + H₂O₂ 
A) k₂O + H₂ 
B) k₂O + H₂O₂ 
C) KOH + H₂ 
D) KOH + O₂ 
E) KOH + H₂O₂ C

Question 4

What are the products from the reaction of water and an active metal?

Accepted Answer

A) a metal oxide and hydrogen gas 
B) a metal oxide and oxygen gas 
C) a metal hydroxide and hydrogen gas 
D) a metal hydroxide and oxygen gas 
E) none of the above 
A) a metal oxide and hydrogen gas 
B) a metal oxide and oxygen gas 
C) a metal hydroxide and hydrogen gas 
D) a metal hydroxide and oxygen gas 
E) none of the above

Question 5

Complete the following chemical reaction and indicate the products. HC₂H₃O₂(aq)+ KOH(aq)→

Accepted Answer

A) KHCO₃ and H₂ 
B) KHCO₃ and H₂O 
C) KC₂H₃O₂ and H₂ 
D) KC₂H₃O₂ and O₂ 
E) KC₂H₃O₂ and H₂O 
A) KHCO₃ and H₂ 
B) KHCO₃ and H₂O 
C) KC₂H₃O₂ and H₂ 
D) KC₂H₃O₂ and O₂ 
E) KC₂H₃O₂ and H₂O

Question 6

Complete the following chemical equation and indicate the product(s). MgO(s)+ H₂O(l)→

Accepted Answer

A) Mg(OH)2 
B) Mg(OH)2 + H₂ 
C) Mg(OH)2 + O₂ 
D) Mg(OH)2 + O₃ 
E) Mg(OH)2 + H₂O₂ 
A) Mg(OH)2 
B) Mg(OH)2 + H₂ 
C) Mg(OH)2 + O₂ 
D) Mg(OH)2 + O₃ 
E) Mg(OH)2 + H₂O₂

Question 7

Which of the following is an example of a molecular crystalline solid?

Accepted Answer

A) DDT,C14H9Cl5 
B) ice,H₂O 
C) sulfur,S8 
D) vitamin D,C₂7H₄4O 
E) all of the above 
A) DDT,C14H9Cl5 
B) ice,H₂O 
C) sulfur,S8 
D) vitamin D,C₂7H₄4O 
E) all of the above

Question 8

Consider the following liquids with similar molar masses.Predict which liquid has the highest boiling point based only on vapor pressure data.

Accepted Answer

A) acetic acid (vapor pressure @ 20 °C = 14 mm Hg) 
B) butane (vapor pressure @ 20 °C = 1550 mm Hg) 
C) ethyl chloride (vapor pressure @ 20 °C = 1050 mm Hg) 
D) ethyl methyl ether (vapor pressure @ 20 °C = 1260 mm Hg) 
E) isopropyl alcohol (vapor pressure @ 20 °C = 35 mm Hg) 
A) acetic acid (vapor pressure @ 20 °C = 14 mm Hg) 
B) butane (vapor pressure @ 20 °C = 1550 mm Hg) 
C) ethyl chloride (vapor pressure @ 20 °C = 1050 mm Hg) 
D) ethyl methyl ether (vapor pressure @ 20 °C = 1260 mm Hg) 
E) isopropyl alcohol (vapor pressure @ 20 °C = 35 mm Hg)

Question 9

Predict the physical state of nitrogen at 77 K (Bp = 77 K)and 1.1 atm pressure.

Accepted Answer

A) solid 
B) liquid 
C) gas 
D) all of the above 
E) none of the above 
A) solid 
B) liquid 
C) gas 
D) all of the above 
E) none of the above

Question 10

Predict the physical state of argon at -187 °C (Mp = -189 °C,Bp = -186 °C)and normal atmospheric pressure.

Accepted Answer

A) solid 
B) liquid 
C) gas 
D) solid and liquid 
E) liquid and gas 
A) solid 
B) liquid 
C) gas 
D) solid and liquid 
E) liquid and gas

Question 11

Calculate the heat released when 10.0 g of water at 25.0 °C cools to ice at 0.0 °C.The specific heat of water is 1.00 cal/(g x °C);the heat of fusion is 80.0 cal/g;and the heat of vaporization is 540.0 cal/g.

Accepted Answer

A) 2.50 x 102 cal 
B) 1.05 x 103 cal 
C) 5.15 x 103 cal 
D) 5.40 x 103 cal 
E) 5.65 x 103 cal 
A) 2.50 x 102 cal 
B) 1.05 x 103 cal 
C) 5.15 x 103 cal 
D) 5.40 x 103 cal 
E) 5.65 x 103 cal

Question 12

The vapor pressure of chloroform is 0.001 atm at -58 °C;0.132 atm at 10 °C;0.526 atm at 43 °C;1.00 atm at 61 °C;2.00 atm at 84 °C.What is the normal boiling point of chloroform?

Accepted Answer

A) -58 °C 
B) 10 °C 
C) 43 °C 
D) 61 °C 
E) 84 °C 
A) -58 °C 
B) 10 °C 
C) 43 °C 
D) 61 °C 
E) 84 °C

Question 13

Consider the following liquids with similar molar masses.Predict which liquid has the strongest intermolecular attraction based on surface tension data.

Accepted Answer

A) butyl alcohol (surface tension @ 20 °C = 25 dynes/cm) 
B) ethyl ether (surface tension @ 20 °C = 17 dynes/cm) 
C) ethyl formate (surface tension @ 20 °C = 24 dynes/cm) 
D) propionic acid (surface tension @ 20 °C = 27 dynes/cm) 
E) propyl chloride (surface tension @ 20 °C = 18 dynes/cm) 
A) butyl alcohol (surface tension @ 20 °C = 25 dynes/cm) 
B) ethyl ether (surface tension @ 20 °C = 17 dynes/cm) 
C) ethyl formate (surface tension @ 20 °C = 24 dynes/cm) 
D) propionic acid (surface tension @ 20 °C = 27 dynes/cm) 
E) propyl chloride (surface tension @ 20 °C = 18 dynes/cm)

Question 14

The vapor pressure of a chlorofluorocarbon (CFC)is 0.193 psi at -98 °C;1.91 psi at -70 °C;14.7 psi at -30 °C;29.4 psi at -12 °C;73.5 psi at 16 °C.What is the normal boiling point of the CFC?

Accepted Answer

A) -98 °C 
B) -69 °C 
C) -30 °C 
D) -12 °C 
E) 16 °C 
A) -98 °C 
B) -69 °C 
C) -30 °C 
D) -12 °C 
E) 16 °C

Question 15

What is(are)the product(s)from the reaction of water and a metal oxide?

Accepted Answer

A) a metal hydroxide 
B) a metal hydroxide and hydrogen peroxide 
C) a metal hydroxide and hydrogen gas 
D) a metal hydroxide and oxygen gas 
E) none of the above 
A) a metal hydroxide 
B) a metal hydroxide and hydrogen peroxide 
C) a metal hydroxide and hydrogen gas 
D) a metal hydroxide and oxygen gas 
E) none of the above

Question 16

Which physical state is described by the following analogy? A beehive is surrounded by flying honey bees.When approached
With a lit torch,the honey bees move about much faster.

Accepted Answer

A) solid 
B) liquid 
C) gas 
D) all of the above 
E) none of the above 
A) solid 
B) liquid 
C) gas 
D) all of the above 
E) none of the above

Question 17

Predict the physical state of ammonia at -15 °C (Mp = -77 °C,Bp = -33 °C)and normal atmospheric pressure.

Accepted Answer

A) solid 
B) liquid 
C) gas 
D) solid and liquid 
E) liquid and gas 
A) solid 
B) liquid 
C) gas 
D) solid and liquid 
E) liquid and gas

Question 18

Which of the following is true of bottled water?

Accepted Answer

A) Bottled water is superior in terms of purity. 
B) Bottled water is superior in terms health benefits. 
C) Bottled water is more strictly regulated by the EPA. 
D) Bottled water has lower levels of bacteria. 
E) none of the above 
A) Bottled water is superior in terms of purity. 
B) Bottled water is superior in terms health benefits. 
C) Bottled water is more strictly regulated by the EPA. 
D) Bottled water has lower levels of bacteria. 
E) none of the above

Question 19

Predict the physical state of argon at -100 °C (Mp = -189 °C,Bp = -186 °C)and normal atmospheric pressure.

Accepted Answer

A) solid 
B) liquid 
C) gas 
D) solid and liquid 
E) liquid and gas 
A) solid 
B) liquid 
C) gas 
D) solid and liquid 
E) liquid and gas

Question 20

What is the term for water purified by boiling and collecting the condensed vapor?

Accepted Answer

A) deionized water 
B) distilled water 
C) hard water 
D) soft water 
E) none of the above 
A) deionized water 
B) distilled water 
C) hard water 
D) soft water 
E) none of the above

Exam 11: Liquids and Solids

What is the type of bond between H-O in a water molecule?

Consider the following liquids with similar molar masses.Predict which has the strongest intermolecular attraction based only on vapor pressure data.

Complete the following chemical equation and indicate the products. K(s)+ H₂O(l)→

What are the products from the reaction of water and an active metal?

Complete the following chemical reaction and indicate the products. HC₂H₃O₂(aq)+ KOH(aq)→

Complete the following chemical equation and indicate the product(s). MgO(s)+ H₂O(l)→

Which of the following is an example of a molecular crystalline solid?

Consider the following liquids with similar molar masses.Predict which liquid has the highest boiling point based only on vapor pressure data.

Predict the physical state of nitrogen at 77 K (Bp = 77 K)and 1.1 atm pressure.

Predict the physical state of argon at -187 °C (Mp = -189 °C,Bp = -186 °C)and normal atmospheric pressure.

Calculate the heat released when 10.0 g of water at 25.0 °C cools to ice at 0.0 °C.The specific heat of water is 1.00 cal/(g x °C);the heat of fusion is 80.0 cal/g;and the heat of vaporization is 540.0 cal/g.

The vapor pressure of chloroform is 0.001 atm at -58 °C;0.132 atm at 10 °C;0.526 atm at 43 °C;1.00 atm at 61 °C;2.00 atm at 84 °C.What is the normal boiling point of chloroform?

Consider the following liquids with similar molar masses.Predict which liquid has the strongest intermolecular attraction based on surface tension data.

The vapor pressure of a chlorofluorocarbon (CFC)is 0.193 psi at -98 °C;1.91 psi at -70 °C;14.7 psi at -30 °C;29.4 psi at -12 °C;73.5 psi at 16 °C.What is the normal boiling point of the CFC?

What is(are)the product(s)from the reaction of water and a metal oxide?

Which physical state is described by the following analogy? A beehive is surrounded by flying honey bees.When approached With a lit torch,the honey bees move about much faster.

Predict the physical state of ammonia at -15 °C (Mp = -77 °C,Bp = -33 °C)and normal atmospheric pressure.

Which of the following is true of bottled water?

Predict the physical state of argon at -100 °C (Mp = -189 °C,Bp = -186 °C)and normal atmospheric pressure.

What is the term for water purified by boiling and collecting the condensed vapor?

Introduction to Chemistry

The Metric System

Matter and Energy

Models of the Atom

The Periodic Table

Language of Chemistry

Chemical Reactions

The Mole Concept

Chemical Equation Calculations

Gases

Chemical Bonding

Solutions

Acids and Bases

Advanced Problem Solving

Chemical Equilibrium

Oxidation and Reduction

Nuclear Chemistry

Organic Chemistry

Biochemistry

Interlude: Prerequisite Science Skills

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