Question 1

Gasoline is an example of

Accepted Answer

A) a compound. 
B) an element. 
C) a heterogeneous mixture. 
D) a homogeneous mixture. 
A) a compound. 
B) an element. 
C) a heterogeneous mixture. 
D) a homogeneous mixture.

Question 2

Gold is an example of

Accepted Answer

A) a compound. 
B) an element. 
C) a heterogeneous mixture. 
D) a homogeneous mixture. 
A) a compound. 
B) an element. 
C) a heterogeneous mixture. 
D) a homogeneous mixture.

Question 3

Gas is sold for $1.399 per liter in Toronto,Canada.Your car needs 12.00 gallons.How much will your credit card be charged in dollars?

Accepted Answer

A) $16.79 
B) $67.15 
C) $4.44 
D) $63.54 
A) $16.79 
B) $67.15 
C) $4.44 
D) $63.54

Question 4

Two or more substances in variable proportions,where the composition is constant throughout are considered

Accepted Answer

A) a compound. 
B) an element. 
C) a heterogeneous mixture. 
D) a homogeneous mixture. 
E) a crystalline solid. 
A) a compound. 
B) an element. 
C) a heterogeneous mixture. 
D) a homogeneous mixture. 
E) a crystalline solid.

Question 5

If the temperature is 178°F,what is the temperature in degrees Celsius?

Accepted Answer

A) 352°C 
B) 451°C 
C) 67°C 
D) 81.1°C 
E) 378°C 
A) 352°C 
B) 451°C 
C) 67°C 
D) 81.1°C 
E) 378°C

Question 6

The density of air under ordinary conditions at 25°C is 1.19 g/L.How many kilograms of air are in a room that measures 11.0 ft × 11.0 ft and has a(n)10.0 ft ceiling? 1 in.= 2.54 cm (exactly);1 L = 103 cm3.

Accepted Answer

A) 3.66 
B) 0.152 
C) 4.08 × 104 
D) 0.0962 
E) 40.8 
A) 3.66 
B) 0.152 
C) 4.08 × 104 
D) 0.0962 
E) 40.8

Question 7

All of the following are SI units of measurement,except

Accepted Answer

A) meter. 
B) gram. 
C) second. 
D) kelvin. 
E) mole. 
A) meter. 
B) gram. 
C) second. 
D) kelvin. 
E) mole.

Question 8

Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.Calculate the approximate number of liters required for a person to walk 10.kilometers in Death Valley.

Accepted Answer

A) 2.9 L 
B) 12 L 
C) 30 L 
D) 47 L 
A) 2.9 L 
B) 12 L 
C) 30 L 
D) 47 L

Question 9

Which of the following represents a physical property?

Accepted Answer

A) Sodium metal is extremely reactive with chlorine gas. 
B) Mercury is a silver liquid at room temperature. 
C) the tendency of aluminum to "rust" 
D) the flammability of butane fuel 
E) the unreactive nature of argon gas 
A) Sodium metal is extremely reactive with chlorine gas. 
B) Mercury is a silver liquid at room temperature. 
C) the tendency of aluminum to "rust" 
D) the flammability of butane fuel 
E) the unreactive nature of argon gas

Question 10

Read the length of the metal bar with the correct number of significant figures.

Accepted Answer

A) 20 cm 
B) 15 cm 
C) 15.0 cm 
D) 15.00 cm 
E) 15.000 cm 
A) 20 cm 
B) 15 cm 
C) 15.0 cm 
D) 15.00 cm 
E) 15.000 cm

Question 11

A student weighed 30.00 μg of sulfur in the lab.This is the same mass as

Accepted Answer

A) 3.000 × 10-8 g. 
B) 3.000 × 10-5 kg. 
C) 3.000 × 10-5 mg. 
D) 3.000 × 104 ng. 
A) 3.000 × 10-8 g. 
B) 3.000 × 10-5 kg. 
C) 3.000 × 10-5 mg. 
D) 3.000 × 104 ng.

Question 12

Convert 10 cm3 to m3.

Accepted Answer

A) 1 × 10-5 m3 
B) 1 × 10-1 m3 
C) 1 × 103 m3 
D) 1 × 107 m3 
A) 1 × 10-5 m3 
B) 1 × 10-1 m3 
C) 1 × 103 m3 
D) 1 × 107 m3

Question 13

Read the length of the metal bar with the correct number of significant figures.

Accepted Answer

A) 20 cm 
B) 15 cm 
C) 15.0 cm 
D) 15.00 cm 
E) 15.000 cm 
A) 20 cm 
B) 15 cm 
C) 15.0 cm 
D) 15.00 cm 
E) 15.000 cm

Question 14

A piece of metal ore weighs 8.25 g.When a student places it into a graduated cylinder containing water,the liquid level rises from 21.25 mL to 26.47 mL.What is the density of the ore?

Accepted Answer

A) 0.312 g/mL 
B) 0.633 g/mL 
C) 1.58 g/mL 
D) 3.21 g/mL 
A) 0.312 g/mL 
B) 0.633 g/mL 
C) 1.58 g/mL 
D) 3.21 g/mL

Question 15

Dalton's Atomic Theory states

Accepted Answer

A) that all elements have several isotopes. 
B) that matter is composed of small indestructible particles. 
C) that the properties of matter are determined by the properties of atoms. 
D) that energy is neither created nor destroyed during a chemical reaction. 
E) that an atom is predominantly empty space. 
A) that all elements have several isotopes. 
B) that matter is composed of small indestructible particles. 
C) that the properties of matter are determined by the properties of atoms. 
D) that energy is neither created nor destroyed during a chemical reaction. 
E) that an atom is predominantly empty space.

Question 16

What answer should be reported,with the correct number of significant figures,for the following calculation? (249.362 + 41)/ 63.498

Accepted Answer

A) 4.6 
B) 4.57 
C) 4.573 
D) 4.5728 
E) 4.57277 
A) 4.6 
B) 4.57 
C) 4.573 
D) 4.5728 
E) 4.57277

Question 17

How many cm3 are contained in 3.77 × 104 mm3?

Accepted Answer

A) 3.77 × 104 cm3 
B) 3.77 × 101 cm3 
C) 3.77 × 10-10 cm3 
D) 3.77 × 1020 cm3 
E) 3.77 × 106 cm3 
A) 3.77 × 104 cm3 
B) 3.77 × 101 cm3 
C) 3.77 × 10-10 cm3 
D) 3.77 × 1020 cm3 
E) 3.77 × 106 cm3

Question 18

Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3.

Accepted Answer

A) 87.9 mL 
B) 42.4 mL 
C) 18.5 mL 
D) 23.6 mL 
E) 31.2 mL 
A) 87.9 mL 
B) 42.4 mL 
C) 18.5 mL 
D) 23.6 mL 
E) 31.2 mL

Question 19

How many liters of air are in a room that measures 10.0 ft × 11.0 ft and has a(n)8.00 ft ceiling?
1 in.= 2.54 cm (exactly);1 L = 103 cm3.

Accepted Answer

A) 2.49 × 104 
B) 92.8 
C) 26.8 
D) 2.68 × 107 
E) 8.84 × 105 
A) 2.49 × 104 
B) 92.8 
C) 26.8 
D) 2.68 × 107 
E) 8.84 × 105

Question 20

How many of the following numbers contain 3 significant figures?
0.408 9.040 0.0400 9.05 × 1024

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Gasoline is an example of

Gold is an example of

Gas is sold for $1.399 per liter in Toronto,Canada.Your car needs 12.00 gallons.How much will your credit card be charged in dollars?

Two or more substances in variable proportions,where the composition is constant throughout are considered

If the temperature is 178°F,what is the temperature in degrees Celsius?

The density of air under ordinary conditions at 25°C is 1.19 g/L.How many kilograms of air are in a room that measures 11.0 ft × 11.0 ft and has a(n)10.0 ft ceiling? 1 in.= 2.54 cm (exactly);1 L = 10³cm³.

All of the following are SI units of measurement,except

Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.Calculate the approximate number of liters required for a person to walk 10.kilometers in Death Valley.

Which of the following represents a physical property?

Read the length of the metal bar with the correct number of significant figures.

A student weighed 30.00 μg of sulfur in the lab.This is the same mass as

Convert 10 cm³ to m³.

Read the length of the metal bar with the correct number of significant figures.

A piece of metal ore weighs 8.25 g.When a student places it into a graduated cylinder containing water,the liquid level rises from 21.25 mL to 26.47 mL.What is the density of the ore?

Dalton's Atomic Theory states

What answer should be reported,with the correct number of significant figures,for the following calculation? (249.362 + 41)/ 63.498

How many cm³ are contained in 3.77 × 10⁴ mm³?

Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm³.

How many liters of air are in a room that measures 10.0 ft × 11.0 ft and has a(n)8.00 ft ceiling? 1 in.= 2.54 cm (exactly);1 L = 10³cm³.

How many of the following numbers contain 3 significant figures? 0.408 9.040 0.0400 9.05 × 10²⁴

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

Exam 1: Matter, Measurement, and Problem Solving

Gasoline is an example of

Gold is an example of

Gas is sold for $1.399 per liter in Toronto,Canada.Your car needs 12.00 gallons.How much will your credit card be charged in dollars?

Two or more substances in variable proportions,where the composition is constant throughout are considered

If the temperature is 178°F,what is the temperature in degrees Celsius?

The density of air under ordinary conditions at 25°C is 1.19 g/L.How many kilograms of air are in a room that measures 11.0 ft × 11.0 ft and has a(n)10.0 ft ceiling? 1 in.= 2.54 cm (exactly);1 L = 103 cm3.

All of the following are SI units of measurement,except

Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.Calculate the approximate number of liters required for a person to walk 10.kilometers in Death Valley.

Which of the following represents a physical property?

Read the length of the metal bar with the correct number of significant figures.

A student weighed 30.00 μg of sulfur in the lab.This is the same mass as

Convert 10 cm3 to m3.

Read the length of the metal bar with the correct number of significant figures.

A piece of metal ore weighs 8.25 g.When a student places it into a graduated cylinder containing water,the liquid level rises from 21.25 mL to 26.47 mL.What is the density of the ore?

Dalton's Atomic Theory states

What answer should be reported,with the correct number of significant figures,for the following calculation? (249.362 + 41)/ 63.498

How many cm3 are contained in 3.77 × 104 mm3?

Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3.

How many liters of air are in a room that measures 10.0 ft × 11.0 ft and has a(n)8.00 ft ceiling? 1 in.= 2.54 cm (exactly);1 L = 103 cm3.

How many of the following numbers contain 3 significant figures? 0.408 9.040 0.0400 9.05 × 1024

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

The density of air under ordinary conditions at 25°C is 1.19 g/L.How many kilograms of air are in a room that measures 11.0 ft × 11.0 ft and has a(n)10.0 ft ceiling? 1 in.= 2.54 cm (exactly);1 L = 10³cm³.

Convert 10 cm³ to m³.

How many cm³ are contained in 3.77 × 10⁴ mm³?

Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm³.

How many liters of air are in a room that measures 10.0 ft × 11.0 ft and has a(n)8.00 ft ceiling? 1 in.= 2.54 cm (exactly);1 L = 10³cm³.

How many of the following numbers contain 3 significant figures? 0.408 9.040 0.0400 9.05 × 10²⁴