Question 1

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

Accepted Answer

A) butyl alcohol (vapor pressure @ 20 °C = 6 mm Hg) 
B) ethyl ether (vapor pressure @ 20 °C = 450 mm Hg) 
C) pentane (vapor pressure @ 20 °C = 430 mm Hg) 
D) propionic acid (vapor pressure @ 20 °C = 5 mm Hg) 
E) propyl chloride (vapor pressure @ 20 °C = 300 mm Hg) 
A) butyl alcohol (vapor pressure @ 20 °C = 6 mm Hg) 
B) ethyl ether (vapor pressure @ 20 °C = 450 mm Hg) 
C) pentane (vapor pressure @ 20 °C = 430 mm Hg) 
D) propionic acid (vapor pressure @ 20 °C = 5 mm Hg) 
E) propyl chloride (vapor pressure @ 20 °C = 300 mm Hg)

Question 2

What is the term for water purified by an ion exchange method?

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 3

What is the systematic name for CoCl3 • 6H₂O?

Accepted Answer

A) cobalt chloride hydrate 
B) cobalt chloride hexahydrate 
C) cobalt(III)chloride hydrate 
D) cobalt(III)chloride trihydrate 
E) cobalt(III)chloride hexahydrate 
A) cobalt chloride hydrate 
B) cobalt chloride hexahydrate 
C) cobalt(III)chloride hydrate 
D) cobalt(III)chloride trihydrate 
E) cobalt(III)chloride hexahydrate

Question 4

Complete the following chemical equation and indicate the product(s). CO₂(g)+ H₂O(l)→

Accepted Answer

A) CH₃OH 
B) HC₂H₃O₂ 
C) H₂CO₃ 
D) CO + H₂O₂ 
E) CO + H₂ + O₂ 
A) CH₃OH 
B) HC₂H₃O₂ 
C) H₂CO₃ 
D) CO + H₂O₂ 
E) CO + H₂ + O₂

Question 5

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

Accepted Answer

A) SrO + H₂ 
B) SrO + H₂O₂ 
C) Sr(OH)2 + H₂ 
D) Sr(OH)2 + O₂ 
E) Sr(OH)2 + H₂O₂ 
A) SrO + H₂ 
B) SrO + H₂O₂ 
C) Sr(OH)2 + H₂ 
D) Sr(OH)2 + O₂ 
E) Sr(OH)2 + H₂O₂

Question 6

What are the products from the complete combustion of a hydrocarbon?

Accepted Answer

A) carbon and water 
B) carbon monoxide and hydrogen 
C) carbon monoxide and water 
D) carbon dioxide and hydrogen 
E) carbon dioxide and water 
A) carbon and water 
B) carbon monoxide and hydrogen 
C) carbon monoxide and water 
D) carbon dioxide and hydrogen 
E) carbon dioxide and water

Question 7

Which of the following are types of crystalline solids?

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 8

Which of the following types of crystalline solids is hard and brittle,has a high melting point,and conducts electricity only when melted?

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 9

If the molecules in a liquid have a weak attraction for each other,which of the following properties has a relatively high 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 10

What is the percentage of water in Ni(NO₃)2 • 2H₂O?

Accepted Answer

A) 8.23% 
B) 8.97% 
C) 9.85% 
D) 16.5% 
E) 19.7% 
A) 8.23% 
B) 8.97% 
C) 9.85% 
D) 16.5% 
E) 19.7%

Question 11

What is the percentage of water in NiCl₂ • 2H₂O?

Accepted Answer

A) 10.8% 
B) 12.2% 
C) 13.8% 
D) 21.8% 
E) 27.7% 
A) 10.8% 
B) 12.2% 
C) 13.8% 
D) 21.8% 
E) 27.7%

Question 12

What is the term for the angle formed by two atoms bonded to the central atom in a molecule?

Accepted Answer

A) atomic angle 
B) bond angle 
C) central angle 
D) molecular angle 
E) none of the above 
A) atomic angle 
B) bond angle 
C) central angle 
D) molecular angle 
E) none of the above

Question 13

Which of the following anions is found in hard 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 14

Which of the following is an observed property of liquids?

Accepted Answer

A) Liquids have a fixed shape and variable volume. 
B) Liquids that are soluble mix homogeneously. 
C) Liquids compress and expand significantly. 
D) Liquids are less dense than gases. 
E) none of the above 
A) Liquids have a fixed shape and variable volume. 
B) Liquids that are soluble mix homogeneously. 
C) Liquids compress and expand significantly. 
D) Liquids are less dense than gases. 
E) none of the above

Question 15

Which of the following is true of the intermolecular attractions in liquids?

Accepted Answer

A) Nonpolar molecules are attracted by temporary dipole forces. 
B) Polar molecules are attracted by temporary dipole forces. 
C) Polar molecules are attracted by permanent dipole forces. 
D) all of the above 
E) none of the above 
A) Nonpolar molecules are attracted by temporary dipole forces. 
B) Polar molecules are attracted by temporary dipole forces. 
C) Polar molecules are attracted by permanent dipole forces. 
D) all of the above 
E) none of the above

Question 16

Which of the following types of crystalline solids has a low melting point,is generally insoluble in water,and is a nonconductor 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 17

Based only on intermolecular attraction,predict which of the following liquids has the highest boiling point.

Accepted Answer

A) CH₃-CO-OH 
B) CH₃-CH₂-O-CH₃ 
C) CH₃-CH₂-S-CH₃ 
D) CH₃-CH₂-CH₂-Cl 
E) CH₃-CH₂-CH₂-CH₂-CH₃ 
A) CH₃-CO-OH 
B) CH₃-CH₂-O-CH₃ 
C) CH₃-CH₂-S-CH₃ 
D) CH₃-CH₂-CH₂-Cl 
E) CH₃-CH₂-CH₂-CH₂-CH₃

Question 18

Complete the following chemical reaction and indicate the products. HCl(aq)+ NH₄OH(aq)→

Accepted Answer

A) NH₄Cl and O₂ 
B) NH₄Cl and H₂O 
C) NH₄Cl and H₂O₂ 
D) NH₃,Cl₂,and H₂O 
E) NH₃,HCl,and H₂O 
A) NH₄Cl and O₂ 
B) NH₄Cl and H₂O 
C) NH₄Cl and H₂O₂ 
D) NH₃,Cl₂,and H₂O 
E) NH₃,HCl,and H₂O

Question 19

What are the products from the electrolysis of water?

Accepted Answer

A) hydrogen and oxygen 
B) hydrogen and ozone 
C) hydrogen and hydrogen peroxide 
D) hydrogen peroxide and oxygen 
E) none of the above 
A) hydrogen and oxygen 
B) hydrogen and ozone 
C) hydrogen and hydrogen peroxide 
D) hydrogen peroxide and oxygen 
E) none of the above

Question 20

Which of the following is an example of an ionic crystalline solid?

Accepted Answer

A) calcite,CaCO₃ 
B) fluorite,CaF2 
C) iron pyrite,FeS₂ 
D) silver chloride,AgCl 
E) all of the above 
A) calcite,CaCO₃ 
B) fluorite,CaF2 
C) iron pyrite,FeS₂ 
D) silver chloride,AgCl 
E) all of the above

Exam 11: Liquids and Solids

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

What is the term for water purified by an ion exchange method?

What is the systematic name for CoCl3 • 6H₂O?

Complete the following chemical equation and indicate the product(s). CO₂(g)+ H₂O(l)→

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

What are the products from the complete combustion of a hydrocarbon?

Which of the following are types of crystalline solids?

Which of the following types of crystalline solids is hard and brittle,has a high melting point,and conducts electricity only when melted?

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

What is the percentage of water in Ni(NO₃)2 • 2H₂O?

What is the percentage of water in NiCl₂ • 2H₂O?

What is the term for the angle formed by two atoms bonded to the central atom in a molecule?

Which of the following anions is found in hard water?

Which of the following is an observed property of liquids?

Which of the following is true of the intermolecular attractions in liquids?

Which of the following types of crystalline solids has a low melting point,is generally insoluble in water,and is a nonconductor of electricity?

Based only on intermolecular attraction,predict which of the following liquids has the highest boiling point.

Complete the following chemical reaction and indicate the products. HCl(aq)+ NH₄OH(aq)→

What are the products from the electrolysis of water?

Which of the following is an example of an ionic crystalline solid?

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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