Question 1

An unknown hydrate of iron(II)sulfate,FeSO₄ • XH₂O,is heated to give 45.3% water.What is the water of crystallization (X)for the hydrate?

Accepted Answer

A) 1 
B) 4 
C) 6 
D) 7 
E) 10 
A) 1 
B) 4 
C) 6 
D) 7 
E) 10

Question 2

Consider the following liquids with similar molar masses.Predict which liquid has the weakest 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 3

Calculate the heat necessary to convert 10.0 g of solid benzene at its melting point to vapor at its boiling point.The specific heat of liquid benzene is 0.580 cal/(g x °C),the heat of fusion for benzene is 31.0 cal/g,and the heat of vaporization is 94.0 cal/g.The melting point of benzene is 5.5 °C and the boiling point is 80.1 °C.

Accepted Answer

A) 430 cal 
B) 740 cal 
C) 1250 cal 
D) 1293 cal 
E) 1683 cal 
A) 430 cal 
B) 740 cal 
C) 1250 cal 
D) 1293 cal 
E) 1683 cal

Question 4

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

Accepted Answer

A) Nonpolar molecules are attracted by dispersion forces. 
B) Nonpolar molecules are attracted by dipole forces. 
C) Nonpolar molecules are attracted by hydrogen bonds. 
D) all of the above 
E) none of the above 
A) Nonpolar molecules are attracted by dispersion forces. 
B) Nonpolar molecules are attracted by dipole forces. 
C) Nonpolar molecules are attracted by hydrogen bonds. 
D) all of the above 
E) none of the above

Question 5

Which of the following is an observed property of solids?

Accepted Answer

A) Solids have a fixed shape and fixed volume. 
B) Solids can be crystalline or noncrystalline. 
C) Solids do not compress or expand significantly. 
D) Solids are usually more dense than liquids. 
E) all of the above 
A) Solids have a fixed shape and fixed volume. 
B) Solids can be crystalline or noncrystalline. 
C) Solids do not compress or expand significantly. 
D) Solids are usually more dense than liquids. 
E) all of the above

Question 6

Which of the following explains why ice floats on water?

Accepted Answer

A) Ice has a greater density than water. 
B) Ice has a greater heat of fusion than water. 
C) Ice has a greater molar mass than water. 
D) Ice has a greater specific heat than water. 
E) Ice has a greater volume than an equal mass of water. 
A) Ice has a greater density than water. 
B) Ice has a greater heat of fusion than water. 
C) Ice has a greater molar mass than water. 
D) Ice has a greater specific heat than water. 
E) Ice has a greater volume than an equal mass of water.

Question 7

Which of the following describes a molecular liquid conceptually?

Accepted Answer

A) Molecules move about randomly. 
B) Molecules are attracted to each other. 
C) Molecules at the surface may vaporize. 
D) Molecules are in contact with each other. 
E) all of the above 
A) Molecules move about randomly. 
B) Molecules are attracted to each other. 
C) Molecules at the surface may vaporize. 
D) Molecules are in contact with each other. 
E) all of the above

Question 8

Calculate the heat required to convert 10.0 g of ice at 0.0 °C to steam at 100.0 °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) 1.80 x 103 cal 
B) 5.40 x 103 cal 
C) 6.20 x 103 cal 
D) 6.40 x 103 cal 
E) 7.20 x 103 cal 
A) 1.80 x 103 cal 
B) 5.40 x 103 cal 
C) 6.20 x 103 cal 
D) 6.40 x 103 cal 
E) 7.20 x 103 cal

Question 9

Calculate the heat required to convert 10.0 g of water at 25.0 °C to steam at 100.0 °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) 7.50 x 102 cal 
B) 8.00 x 102 cal 
C) 1.05 x 103 cal 
D) 1.55 x 103 cal 
E) 6.15 x 103 cal 
A) 7.50 x 102 cal 
B) 8.00 x 102 cal 
C) 1.05 x 103 cal 
D) 1.55 x 103 cal 
E) 6.15 x 103 cal

Question 10

What is the term for a crystalline solid composed of metal atoms which repeat in a regular pattern?

Accepted Answer

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

Question 11

What is the term for the resistance of a liquid to spread and its tendency to form spherical droplets?

Accepted Answer

A) dipole attraction 
B) dispersion forces 
C) surface tension 
D) viscosity 
E) none of the above 
A) dipole attraction 
B) dispersion forces 
C) surface tension 
D) viscosity 
E) none of the above

Question 12

What is the difference between bottled water and tap water?

Accepted Answer

A) Bottled water is distilled water. 
B) Bottled water is deionized water. 
C) Bottled water has minerals added. 
D) Bottled water originates from natural springs. 
E) Bottled water varies with its source. 
A) Bottled water is distilled water. 
B) Bottled water is deionized water. 
C) Bottled water has minerals added. 
D) Bottled water originates from natural springs. 
E) Bottled water varies with its source.

Question 13

What are the products from the decomposition of a hydrate?

Accepted Answer

A) anhydrous compound and hydrogen 
B) anhydrous compound and oxygen 
C) anhydrous compound and water 
D) metal hydroxide and hydrogen 
E) metal hydroxide and water 
A) anhydrous compound and hydrogen 
B) anhydrous compound and oxygen 
C) anhydrous compound and water 
D) metal hydroxide and hydrogen 
E) metal hydroxide and water

Question 14

What is the term that describes a compound which has lost water of hydration?

Accepted Answer

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

Question 15

Which of the following illustrates the bond polarity between H-O in water?

Accepted Answer

A) (δ+)H-O (δ+) 
B) (δ+)H-O (δ-) 
C) (δ-)H-O (δ+) 
D) (δ-)H-O (δ-) 
E) (δ)H-O (δ) 
A) (δ+)H-O (δ+) 
B) (δ+)H-O (δ-) 
C) (δ-)H-O (δ+) 
D) (δ-)H-O (δ-) 
E) (δ)H-O (δ)

Question 16

How many pairs of bonding electrons 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 17

Which of the following accounts for the unusually high heat of fusion for ice?

Accepted Answer

A) the crystalline structure of ice 
B) the density of ice 
C) the hydrogen bonds in ice 
D) the molar mass of ice 
E) the specific heat of ice 
A) the crystalline structure of ice 
B) the density of ice 
C) the hydrogen bonds in ice 
D) the molar mass of ice 
E) the specific heat of ice

Question 18

Predict the physical state of krypton at -175 °C (Mp = -157 °C,Bp = -152 °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 19

Complete the following chemical reaction and indicate the products. CH₄(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 20

Calculate the heat absorbed when 10.0 g of ice at 0 °C melts to water at the same temperature.The specific heat of water is 1.00 cal/(g x °C);the heat of fusion is 80.0cal/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

An unknown hydrate of iron(II)sulfate,FeSO₄ • XH₂O,is heated to give 45.3% water.What is the water of crystallization (X)for the hydrate?

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

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

Which of the following is an observed property of solids?

Which of the following explains why ice floats on water?

Which of the following describes a molecular liquid conceptually?

Calculate the heat required to convert 10.0 g of ice at 0.0 °C to steam at 100.0 °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.

Calculate the heat required to convert 10.0 g of water at 25.0 °C to steam at 100.0 °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.

What is the term for a crystalline solid composed of metal atoms which repeat in a regular pattern?

What is the term for the resistance of a liquid to spread and its tendency to form spherical droplets?

What is the difference between bottled water and tap water?

What are the products from the decomposition of a hydrate?

What is the term that describes a compound which has lost water of hydration?

Which of the following illustrates the bond polarity between H-O in water?

How many pairs of bonding electrons are in a water molecule?

Which of the following accounts for the unusually high heat of fusion for ice?

Predict the physical state of krypton at -175 °C (Mp = -157 °C,Bp = -152 °C)and normal atmospheric pressure.

Complete the following chemical reaction and indicate the products. CH₄(g)+ O₂(g)

Calculate the heat absorbed when 10.0 g of ice at 0 °C melts to water at the same temperature.The specific heat of water is 1.00 cal/(g x °C);the heat of fusion is 80.0cal/g;and the heat of vaporization is 540.0 cal/g.

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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Exam 11: Liquids and Solids

An unknown hydrate of iron(II)sulfate,FeSO₄ • XH₂O,is heated to give 45.3% water.What is the water of crystallization (X)for the hydrate?

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

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

Which of the following is an observed property of solids?

Which of the following explains why ice floats on water?

Which of the following describes a molecular liquid conceptually?

Calculate the heat required to convert 10.0 g of ice at 0.0 °C to steam at 100.0 °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.

Calculate the heat required to convert 10.0 g of water at 25.0 °C to steam at 100.0 °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.

What is the term for a crystalline solid composed of metal atoms which repeat in a regular pattern?

What is the term for the resistance of a liquid to spread and its tendency to form spherical droplets?

What is the difference between bottled water and tap water?

What are the products from the decomposition of a hydrate?

What is the term that describes a compound which has lost water of hydration?

Which of the following illustrates the bond polarity between H-O in water?

How many pairs of bonding electrons are in a water molecule?

Which of the following accounts for the unusually high heat of fusion for ice?

Predict the physical state of krypton at -175 °C (Mp = -157 °C,Bp = -152 °C)and normal atmospheric pressure.

Complete the following chemical reaction and indicate the products. CH₄(g)+ O₂(g)

Calculate the heat absorbed when 10.0 g of ice at 0 °C melts to water at the same temperature.The specific heat of water is 1.00 cal/(g x °C);the heat of fusion is 80.0cal/g;and the heat of vaporization is 540.0 cal/g.

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