Question 1

Predict the physical state of argon at -197 °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 2

An unknown hydrate of sodium dichromate,Na₂Cr₂O₇ • XH₂O,is heated to give 12.1% water.What is the water of crystallization (X)for the hydrate?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 12 
A) 1 
B) 2 
C) 3 
D) 4 
E) 12

Question 3

Which of the following types of crystalline solids is malleable,ductile,and a conductor of electricity?

Accepted Answer

A) ionic 
B) metallic 
C) molecular 
D) all of the above 
E) none of the above 
A) ionic 
B) metallic 
C) molecular 
D) all of the above 
E) none of the above

Question 4

Consider the following liquids with similar molar masses.Predict which has the weakest intermolecular attraction based only on boiling point data.

Accepted Answer

A) acetic acid (Bp @ 760 mm Hg = 118 °
C)  
B) butane (Bp @ 760 mm Hg = -0.5 °
C)  
C) ethyl chloride (Bp @ 760 mm Hg = 12 °
C)  
D) ethyl methyl ether (Bp @ 760 mm Hg = 11 °
C)  
E) propyl alcohol (Bp @ 760 mm Hg = 97 °
C)  
A) acetic acid (Bp @ 760 mm Hg = 118 °
C)  
B) butane (Bp @ 760 mm Hg = -0.5 °
C)  
C) ethyl chloride (Bp @ 760 mm Hg = 12 °
C)  
D) ethyl methyl ether (Bp @ 760 mm Hg = 11 °
C)  
E) propyl alcohol (Bp @ 760 mm Hg = 97 °
C)

Question 5

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

Accepted Answer

A) acetic acid (Bp @ 760 mm Hg = 118 °
C)  
B) butane (Bp @ 760 mm Hg = -0.5 °
C)  
C) ethyl chloride (Bp @ 760 mm Hg = 12 °
C)  
D) ethyl methyl ether (Bp @ 760 mm Hg = 11 °
C)  
E) propyl alcohol (Bp @ 760 mm Hg = 97 °
C)  
A) acetic acid (Bp @ 760 mm Hg = 118 °
C)  
B) butane (Bp @ 760 mm Hg = -0.5 °
C)  
C) ethyl chloride (Bp @ 760 mm Hg = 12 °
C)  
D) ethyl methyl ether (Bp @ 760 mm Hg = 11 °
C)  
E) propyl alcohol (Bp @ 760 mm Hg = 97 °
C)

Question 6

What is the term for the temperature at which the vapor pressure of a liquid is equal to the atmospheric pressure?

Accepted Answer

A) absolute zero 
B) boiling point 
C) critical point 
D) vapor point 
E) none of the above 
A) absolute zero 
B) boiling point 
C) critical point 
D) vapor point 
E) none of the above

Question 7

How many dipoles are in a water molecule?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 
B) 1 
C) 2 
D) 3 
E) 4

Question 8

Complete the following chemical reaction and indicate the products. C₂H₄(g)+ O₂(g)

Accepted Answer

A) C + H₂O 
B) CO + H₂ 
C) CO + H₂O 
D) CO₂ + H₂ 
E) CO₂ + H₂O 
A) C + H₂O 
B) CO + H₂ 
C) CO + H₂O 
D) CO₂ + H₂ 
E) CO₂ + H₂O

Question 9

What are the products from a neutralization reaction?

Accepted Answer

A) metal oxide and water 
B) nonmetal oxide and hydrogen 
C) salt and water 
D) salt and hydrogen 
E) none of the above 
A) metal oxide and water 
B) nonmetal oxide and hydrogen 
C) salt and water 
D) salt and hydrogen 
E) none of the above

Question 10

Calculate the heat released when 25.0 g of water at 0 °C crystallizes to ice at the same temperature.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) 3.20 cal 
B) 21.6 cal 
C) 25.0 cal 
D) 2.00 x 103 cal 
E) 1.35 x 104 cal 
A) 3.20 cal 
B) 21.6 cal 
C) 25.0 cal 
D) 2.00 x 103 cal 
E) 1.35 x 104 cal

Question 11

An unknown hydrate of chromium(III)acetate,Cr(C₂H₃O₂)3 • XH₂O,is heated to give 7.29% water.What is the water of crystallization (X)for the hydrate?

Accepted Answer

A) 1 
B) 4 
C) 6 
D) 8 
E) 12 
A) 1 
B) 4 
C) 6 
D) 8 
E) 12

Question 12

What is the chemical formula for strontium nitrate hexahydrate?

Accepted Answer

A) Sr(NO₂)2 • H₂O 
B) Sr(NO₂)2 • 6H₂O 
C) Sr(NO₃)2 • H₂O 
D) Sr(NO₃)2 • 6H₂O 
E) Sr(NO₃)2 • 7H₂O 
A) Sr(NO₂)2 • H₂O 
B) Sr(NO₂)2 • 6H₂O 
C) Sr(NO₃)2 • H₂O 
D) Sr(NO₃)2 • 6H₂O 
E) Sr(NO₃)2 • 7H₂O

Question 13

If the molecules in a liquid have a strong attraction for each other,which of the following properties has a relatively low value?

Accepted Answer

A) boiling point 
B) surface tension 
C) vapor pressure 
D) viscosity 
E) all of the above 
A) boiling point 
B) surface tension 
C) vapor pressure 
D) viscosity 
E) all of the above

Question 14

Complete the following chemical reaction and indicate the products. HNO₃(aq)+ Ca(OH)2(aq)→

Accepted Answer

A) Ca(NO₂)2 and H₂ 
B) Ca(NO₂)2 and H₂O 
C) Ca(NO₃)2 and H₂ 
D) Ca(NO₃)2 and O₂ 
E) Ca(NO₃)2 and H₂O 
A) Ca(NO₂)2 and H₂ 
B) Ca(NO₂)2 and H₂O 
C) Ca(NO₃)2 and H₂ 
D) Ca(NO₃)2 and O₂ 
E) Ca(NO₃)2 and H₂O

Question 15

Which of the following anions is found in soft water?

Accepted Answer

A) Cl- 
B) CO₃2- 
C) PO₄3- 
D) SO₄2- 
E) all of the above 
A) Cl- 
B) CO₃2- 
C) PO₄3- 
D) SO₄2- 
E) all of the above

Question 16

What is the approximate percentage of all Americans who drink bottled water?

Accepted Answer

A) 1% 
B) 5% 
C) 50% 
D) 75% 
E) 100% 
A) 1% 
B) 5% 
C) 50% 
D) 75% 
E) 100%

Question 17

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

Accepted Answer

A) butyl alcohol (viscosity @ 20 °C = 2.95 centipoise) 
B) ethyl ether (viscosity @ 20 °C = 0.23 centipoise) 
C) ethyl formate (viscosity @ 20 °C = 0.40 centipoise) 
D) propionic acid (viscosity @ 20 °C = 1.10 centipoise) 
E) propyl chloride (viscosity @ 20 °C = 0.35 centipoise) 
A) butyl alcohol (viscosity @ 20 °C = 2.95 centipoise) 
B) ethyl ether (viscosity @ 20 °C = 0.23 centipoise) 
C) ethyl formate (viscosity @ 20 °C = 0.40 centipoise) 
D) propionic acid (viscosity @ 20 °C = 1.10 centipoise) 
E) propyl chloride (viscosity @ 20 °C = 0.35 centipoise)

Question 18

What is the term for water containing a variety of different cations and anions?

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

Question 19

What is the strongest intermolecular force in a liquid containing molecules with nonpolar bonds?

Accepted Answer

A) covalent bonds 
B) dipole forces 
C) dispersion forces 
D) hydrogen bonds 
E) none of the above 
A) covalent bonds 
B) dipole forces 
C) dispersion forces 
D) hydrogen bonds 
E) none of the above

Question 20

What is the term for the number of water molecules in a hydrate?

Accepted Answer

A) anhydrous water 
B) deliquescent water 
C) efflorescent water 
D) water of hydration 
E) none of the above 
A) anhydrous water 
B) deliquescent water 
C) efflorescent water 
D) water of hydration 
E) none of the above

Exam 11: Liquids and Solids

Predict the physical state of argon at -197 °C (Mp = -189 °C,Bp = -186 °C)and normal atmospheric pressure.

An unknown hydrate of sodium dichromate,Na₂Cr₂O₇ • XH₂O,is heated to give 12.1% water.What is the water of crystallization (X)for the hydrate?

Which of the following types of crystalline solids is malleable,ductile,and a conductor of electricity?

Consider the following liquids with similar molar masses.Predict which has the weakest intermolecular attraction based only on boiling point data.

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

What is the term for the temperature at which the vapor pressure of a liquid is equal to the atmospheric pressure?

How many dipoles are in a water molecule?

Complete the following chemical reaction and indicate the products. C₂H₄(g)+ O₂(g)

What are the products from a neutralization reaction?

Calculate the heat released when 25.0 g of water at 0 °C crystallizes to ice at the same temperature.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.

An unknown hydrate of chromium(III)acetate,Cr(C₂H₃O₂)3 • XH₂O,is heated to give 7.29% water.What is the water of crystallization (X)for the hydrate?

What is the chemical formula for strontium nitrate hexahydrate?

If the molecules in a liquid have a strong attraction for each other,which of the following properties has a relatively low value?

Complete the following chemical reaction and indicate the products. HNO₃(aq)+ Ca(OH)2(aq)→

Which of the following anions is found in soft water?

What is the approximate percentage of all Americans who drink bottled water?

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

What is the term for water containing a variety of different cations and anions?

What is the strongest intermolecular force in a liquid containing molecules with nonpolar bonds?

What is the term for the number of water molecules in a hydrate?

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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