Question 1

Which of the following is the smallest volume?

Accepted Answer

A) 11 cm3 
B) 0.25 dL 
C) 1.4 × 103 mL 
D) 2.5 × 107 nL 
A) 11 cm3 
B) 0.25 dL 
C) 1.4 × 103 mL 
D) 2.5 × 107 nL

Question 2

A tortoise moves at a speed of 454 cm/min.How fast is the tortoise in mph?

Accepted Answer

A) 0.17 mph 
B) 0.34 mph 
C) 17 mph 
D) 0.0017 mph 
A) 0.17 mph 
B) 0.34 mph 
C) 17 mph 
D) 0.0017 mph

Question 3

To the correct number of significant figures,what is the volume of the liquid in the graduated cylinder?

Accepted Answer

A) 7 mL 
B) 7.0 mL 
C) 7.7 mL 
D) 8 mL 
A) 7 mL 
B) 7.0 mL 
C) 7.7 mL 
D) 8 mL

Question 4

The density of copper is 8.96 g/cm3.What is the mass in mg of a cube of copper that measures 2.31 mm on each side?

Accepted Answer

A) 0.0207 g 
B) 0.110 g 
C) 2.07 g 
D) 110 g 
A) 0.0207 g 
B) 0.110 g 
C) 2.07 g 
D) 110 g

Question 5

The factor 106 corresponds to which prefix?

Accepted Answer

A) deka 
B) deci 
C) mega 
D) milli 
A) deka 
B) deci 
C) mega 
D) milli

Question 6

The average distance between nitrogen and oxygen atoms is 115 pm in a compound called nitric oxide.What is this distance in nanometers?

Accepted Answer

A) 1.15 × 10-2 nm 
B) 1.15 × 10-1 nm 
C) 1.15 × 1015 nm 
D) 1.15 × 1019 nm 
A) 1.15 × 10-2 nm 
B) 1.15 × 10-1 nm 
C) 1.15 × 1015 nm 
D) 1.15 × 1019 nm

Question 7

Without using a calculator,solve the following problem:

Accepted Answer

A) 1 × 102 
B) 1 × 108 
C) 1 × 1020 
D) 1 × 1026 
A) 1 × 102 
B) 1 × 108 
C) 1 × 1020 
D) 1 × 1026

Question 8

The density of mercury is 13.6 g/cm3.The mass of 38.0 cm3 of mercury is ________ g.

Accepted Answer

Question 9

A student measured the diameter of a sphere and determined the average value.His measurements are       and   If the true diameter is 6.18 cm,what can be said about the student's results?

Accepted Answer

A) It is accurate and precise. 
B) It is accurate but not precise. 
C) It is precise but not accurate. 
D) It is neither precise nor accurate. 
A) It is accurate and precise. 
B) It is accurate but not precise. 
C) It is precise but not accurate. 
D) It is neither precise nor accurate.

Question 10

Which of the following numbers has the greatest number of significant figures?

Accepted Answer

A) 0.8010 
B) 0.504 
C) 742000 
D) 9.05 × 1024 
A) 0.8010 
B) 0.504 
C) 742000 
D) 9.05 × 1024

Question 11

The estimated mass of the planet Jupiter is 1.90 × 1027 kg and the density is believed to be 1.34 g/cm3.If Jupiter were a perfect sphere,what would be its diameter?

Accepted Answer

A) 6.96 × 106 m 
B) 6.96 × 107 m 
C) 1.39 × 107 m 
D) 1.39 × 108 m 
A) 6.96 × 106 m 
B) 6.96 × 107 m 
C) 1.39 × 107 m 
D) 1.39 × 108 m

Question 12

The nutritionist unit Calorie is equal to ________ calories.

Accepted Answer

The answer of The nutritionist unit Calorie is equal to...

Question 13

A sailor circumnavigated the earth and covered 4,264,000 meters.Express this number in standard scientific notation.

Accepted Answer

A) 4.264 × 10-7 m 
B) 4.264 × 10-6 m 
C) 4.264 × 106 m 
D) 4.264 × 107 m 
A) 4.264 × 10-7 m 
B) 4.264 × 10-6 m 
C) 4.264 × 106 m 
D) 4.264 × 107 m

Question 14

How many of the following numbers contain 3 significant figures? 0.105 5.600 0.0300 7.00 × 102

Accepted Answer

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

Question 15

The average mass of an oxygen atom is 5.3 × 10-26 kg.Calculate the kinetic energy of a mole of oxygen atoms,all moving at a speed of 400 m/s (1000 mph).

Accepted Answer

A) 8.2 × 10-21 J 
B) 2600 J 
C) 5200 J 
D) 13,000 J 
A) 8.2 × 10-21 J 
B) 2600 J 
C) 5200 J 
D) 13,000 J

Question 16

What symbol is used to represent the factor 10-9?

Accepted Answer

A) G 
B) c 
C) μ 
D) n 
A) G 
B) c 
C) μ 
D) n

Question 17

A fishing boat accidentally spills 15 barrels of diesel oil into the ocean.Each barrel contains 42 gallons.If the oil film on the ocean is 2.5 × 102 nm thick,how many square meters will the oil slick cover?

Accepted Answer

A) 9.5 × 10-3 m2 
B) 9.5 × 106 m2 
C) 9.5 × 107 m2 
D) none of these 
A) 9.5 × 10-3 m2 
B) 9.5 × 106 m2 
C) 9.5 × 107 m2 
D) none of these

Question 18

Convert 55 m3 to liters.

Accepted Answer

A) 5.5 × 10-2 L 
B) 5.5 L 
C) 5.5 × 102 L 
D) 5.5 × 104 L 
A) 5.5 × 10-2 L 
B) 5.5 L 
C) 5.5 × 102 L 
D) 5.5 × 104 L

Question 19

A motorcycle emits 9.5 g of carbon monoxide per kilometer driven.How many pounds of carbon monoxide does the motorcycle generate over 5.0 years if the motorcycle is driven 15,000 miles per year?

Accepted Answer

A) 8.9 × 101 lb CO 
B) 9.8 × 102 lb CO 
C) 2.5 × 103 lb CO 
D) 2.3 × 104 lb CO 
A) 8.9 × 101 lb CO 
B) 9.8 × 102 lb CO 
C) 2.5 × 103 lb CO 
D) 2.3 × 104 lb CO

Question 20

One kilogram is slightly more than ________ U.S.pounds.

Accepted Answer

A) 0.5 
B) 1 
C) 2 
D) 5 
A) 0.5 
B) 1 
C) 2 
D) 5

Exam 1: Chemical Tools: Experimentation and Measurement

Which of the following is the smallest volume?

A tortoise moves at a speed of 454 cm/min.How fast is the tortoise in mph?

To the correct number of significant figures,what is the volume of the liquid in the graduated cylinder?

The density of copper is 8.96 g/cm3.What is the mass in mg of a cube of copper that measures 2.31 mm on each side?

The factor 106 corresponds to which prefix?

The average distance between nitrogen and oxygen atoms is 115 pm in a compound called nitric oxide.What is this distance in nanometers?

Without using a calculator,solve the following problem:

The density of mercury is 13.6 g/cm3.The mass of 38.0 cm3 of mercury is ________ g.

A student measured the diameter of a sphere and determined the average value.His measurements are and If the true diameter is 6.18 cm,what can be said about the student's results?

Which of the following numbers has the greatest number of significant figures?

The estimated mass of the planet Jupiter is 1.90 × 1027 kg and the density is believed to be 1.34 g/cm3.If Jupiter were a perfect sphere,what would be its diameter?

The nutritionist unit Calorie is equal to ________ calories.

A sailor circumnavigated the earth and covered 4,264,000 meters.Express this number in standard scientific notation.

How many of the following numbers contain 3 significant figures? 0.105 5.600 0.0300 7.00 × 102

The average mass of an oxygen atom is 5.3 × 10-26 kg.Calculate the kinetic energy of a mole of oxygen atoms,all moving at a speed of 400 m/s (1000 mph).

What symbol is used to represent the factor 10-9?

A fishing boat accidentally spills 15 barrels of diesel oil into the ocean.Each barrel contains 42 gallons.If the oil film on the ocean is 2.5 × 102 nm thick,how many square meters will the oil slick cover?

Convert 55 m3 to liters.

A motorcycle emits 9.5 g of carbon monoxide per kilometer driven.How many pounds of carbon monoxide does the motorcycle generate over 5.0 years if the motorcycle is driven 15,000 miles per year?

One kilogram is slightly more than ________ U.S.pounds.

Atoms, molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids, solids, and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

The Main-Group Elements

Connections to Organic and Biological Chemistry

Filters

The density of copper is 8.96 g/cm³.What is the mass in mg of a cube of copper that measures 2.31 mm on each side?

The factor 10⁶ corresponds to which prefix?

The density of mercury is 13.6 g/cm³.The mass of 38.0 cm³ of mercury is ________ g.

The estimated mass of the planet Jupiter is 1.90 × 10²⁷ kg and the density is believed to be 1.34 g/cm³.If Jupiter were a perfect sphere,what would be its diameter?

How many of the following numbers contain 3 significant figures? 0.105 5.600 0.0300 7.00 × 10²

The average mass of an oxygen atom is 5.3 × 10^-26 kg.Calculate the kinetic energy of a mole of oxygen atoms,all moving at a speed of 400 m/s (1000 mph).

What symbol is used to represent the factor 10^-9?

A fishing boat accidentally spills 15 barrels of diesel oil into the ocean.Each barrel contains 42 gallons.If the oil film on the ocean is 2.5 × 10² nm thick,how many square meters will the oil slick cover?

Convert 55 m³ to liters.