Question 1

Complete the following chemical equation and indicate the products. H₂O(l)

Accepted Answer

A) H + O 
B) H₂ + O₂ 
C) H₂ + O₃ 
D) H₂O₂ + O₂ 
E) H₂O₂ + O₃ 
A) H + O 
B) H₂ + O₂ 
C) H₂ + O₃ 
D) H₂O₂ + O₂ 
E) H₂O₂ + O₃

Question 2

What is the chemical formula for sodium chromate tetrahydrate?

Accepted Answer

A) Na₂CrO₄ • 2H₂O 
B) Na₂CrO₄ • 3H₂O 
C) Na₂CrO₄ • 4H₂O 
D) Na₂Cr₂O₇ • 3H₂O 
E) Na₂Cr₂O₇ • 4H₂O 
A) Na₂CrO₄ • 2H₂O 
B) Na₂CrO₄ • 3H₂O 
C) Na₂CrO₄ • 4H₂O 
D) Na₂Cr₂O₇ • 3H₂O 
E) Na₂Cr₂O₇ • 4H₂O

Question 3

What is the term for the heat required to convert a solid to a liquid at its melting point?

Accepted Answer

A) heat of crystallization 
B) heat of fusion 
C) heat of vaporization 
D) specific heat 
E) none of the above 
A) heat of crystallization 
B) heat of fusion 
C) heat of vaporization 
D) specific heat 
E) none of the above

Question 4

Complete the following chemical reaction and indicate the products. C₂H5OH(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 5

Calculate the number of calories required to raise 10.0 g of water from 25.0 °C to 75.0 °C.The specific heat of water is 1.00 cal/(g x °C).

Accepted Answer

A) 10.0 cal 
B) 50.0 cal 
C) 2.50 x 102 cal 
D) 5.00 x 102 cal 
E) 7.50 x 102 cal 
A) 10.0 cal 
B) 50.0 cal 
C) 2.50 x 102 cal 
D) 5.00 x 102 cal 
E) 7.50 x 102 cal

Question 6

Which of the following types of crystalline solids have molecules arranged in regular geometric patterns?

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 7

Which of the following accounts for the high heat of vaporization for water?

Accepted Answer

A) the density of water 
B) the hydrogen bonds in water 
C) the molar mass of water 
D) the specific heat of water 
E) the surface tension in water 
A) the density of water 
B) the hydrogen bonds in water 
C) the molar mass of water 
D) the specific heat of water 
E) the surface tension in water

Question 8

Which of the following is an intermolecular bond between water molecules?

Accepted Answer

A) coordinate covalent bond 
B) hydrogen bond 
C) nonpolar covalent bond 
D) polar covalent bond 
E) all of the above 
A) coordinate covalent bond 
B) hydrogen bond 
C) nonpolar covalent bond 
D) polar covalent bond 
E) all of the above

Question 9

What is the term for the heat required to convert a liquid to a gas at its boiling point?

Accepted Answer

A) heat of crystallization 
B) heat of fusion 
C) heat of vaporization 
D) specific heat 
E) none of the above 
A) heat of crystallization 
B) heat of fusion 
C) heat of vaporization 
D) specific heat 
E) none of the above

Question 10

Consider the following liquids with similar molar masses.Predict which liquid has the lowest 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 11

Predict the physical state of helium at 4 K (Bp = 4 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 12

Complete the following chemical equation and indicate the product(s). SO₃(g)+ H₂O(l)→

Accepted Answer

A) H₂SO₃ 
B) H₂SO₄ 
C) H₂S + H₂O₂ 
D) SO₂ + H₂O₂ 
E) SO₃ + H₂ 
A) H₂SO₃ 
B) H₂SO₄ 
C) H₂S + H₂O₂ 
D) SO₂ + H₂O₂ 
E) SO₃ + H₂

Question 13

Complete the following chemical reaction and indicate the products. Ni(NO₃)2 • 6H₂O(s)

Accepted Answer

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

Question 14

Plaster of Paris is a hydrate of calcium sulfate.If the hydrate is 6.20% water,what is the chemical formula for Plaster of Paris?

Accepted Answer

A) CaSO₄ • 1/2H₂O 
B) CaSO₄ • 1H₂O 
C) CaSO₄ • 2H₂O 
D) CaSO₄ • 3H₂O 
E) CaSO₄ • 15H₂O 
A) CaSO₄ • 1/2H₂O 
B) CaSO₄ • 1H₂O 
C) CaSO₄ • 2H₂O 
D) CaSO₄ • 3H₂O 
E) CaSO₄ • 15H₂O

Question 15

Based only on intermolecular attraction,predict which of the following liquids has the highest surface tension.

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 16

Calculate the heat required to convert 10.0 g of water at 100 °C to steam at 100 °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) 8.0 cal 
B) 10.0 cal 
C) 54.0 cal 
D) 8.00 x 102 cal 
E) 5.40 x 103 cal 
A) 8.0 cal 
B) 10.0 cal 
C) 54.0 cal 
D) 8.00 x 102 cal 
E) 5.40 x 103 cal

Question 17

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

Accepted Answer

A) boiling point 
B) viscosity 
C) surface tension 
D) all of the above 
E) none of the above 
A) boiling point 
B) viscosity 
C) surface tension 
D) all of the above 
E) none of the above

Question 18

Which of the following cations is found in deionized water?

Accepted Answer

A) Na+ 
B) Mg₂+ 
C) Ca2+ 
D) Fe₃+ 
E) none of the above 
A) Na+ 
B) Mg₂+ 
C) Ca2+ 
D) Fe₃+ 
E) none of the above

Question 19

Which of the following is responsible for bubbles in sparkling mineral water?

Accepted Answer

A) carbon dioxide 
B) air 
C) chlorine 
D) oxygen 
E) none of the above 
A) carbon dioxide 
B) air 
C) chlorine 
D) oxygen 
E) none of the above

Question 20

Which of the following types of crystalline solids have ions arranged in regular geometric patterns?

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

Exam 11: Liquids and Solids

Complete the following chemical equation and indicate the products. H₂O(l)

What is the chemical formula for sodium chromate tetrahydrate?

What is the term for the heat required to convert a solid to a liquid at its melting point?

Complete the following chemical reaction and indicate the products. C₂H5OH(g)+ O₂(g)

Calculate the number of calories required to raise 10.0 g of water from 25.0 °C to 75.0 °C.The specific heat of water is 1.00 cal/(g x °C).

Which of the following types of crystalline solids have molecules arranged in regular geometric patterns?

Which of the following accounts for the high heat of vaporization for water?

Which of the following is an intermolecular bond between water molecules?

What is the term for the heat required to convert a liquid to a gas at its boiling point?

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

Predict the physical state of helium at 4 K (Bp = 4 K)and 1.1 atm pressure.

Complete the following chemical equation and indicate the product(s). SO₃(g)+ H₂O(l)→

Complete the following chemical reaction and indicate the products. Ni(NO₃)2 • 6H₂O(s)

Plaster of Paris is a hydrate of calcium sulfate.If the hydrate is 6.20% water,what is the chemical formula for Plaster of Paris?

Based only on intermolecular attraction,predict which of the following liquids has the highest surface tension.

Calculate the heat required to convert 10.0 g of water at 100 °C to steam at 100 °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.

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

Which of the following cations is found in deionized water?

Which of the following is responsible for bubbles in sparkling mineral water?

Which of the following types of crystalline solids have ions arranged in regular geometric patterns?

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

Filters