Question 1

What wavelength of light would you report in units of nm if the light had a wavelength of 7.60 × 10-10 m?

Accepted Answer

A)  7.60 × 10-3 nm 
B)  7.60 × 10-19 nm 
C)  1.32 nm 
D)  0.760 nm 
E)  760 nm 
A)  7.60 × 10-3 nm 
B)  7.60 × 10-19 nm 
C)  1.32 nm 
D)  0.760 nm 
E)  760 nm

Question 2

Which of the following is the greatest mass?

Accepted Answer

A)  1000 μg 
B)  1.000 × 10-4 kg 
C)  1.000 × 10-4 cg 
D)  1.000 × 10-8 mg 
A)  1000 μg 
B)  1.000 × 10-4 kg 
C)  1.000 × 10-4 cg 
D)  1.000 × 10-8 mg

Question 3

Which of the following is the lowest temperature?

Accepted Answer

A)  42 °C 
B)  57 °F 
C)  318 K 
D)  All of these temperatures are equal. 
A)  42 °C 
B)  57 °F 
C)  318 K 
D)  All of these temperatures are equal.

Question 4

How many significant figures are there in the answer to the following problem?

Accepted Answer

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

Question 5

Metre is a measure of ________.

Accepted Answer

A)  mass 
B)  time 
C)  temperature 
D)  length 
E)  volume 
A)  mass 
B)  time 
C)  temperature 
D)  length 
E)  volume

Question 6

Total energy of an object is best defined as the sum of ________.

Accepted Answer

A)  kinetic energy and potential energy 
B)  kinetic energy and thermal energy 
C)  chemical energy and potential energy 
D)  chemical energy and magnetic energy 
E)  potential energy and magnetic energy 
A)  kinetic energy and potential energy 
B)  kinetic energy and thermal energy 
C)  chemical energy and potential energy 
D)  chemical energy and magnetic energy 
E)  potential energy and magnetic energy

Question 7

What answer should be reported, with the correct number of significant figures, for the following calculation? (433.621 - 333.9) × 11.900

Accepted Answer

A)  1.19 × 103 
B)  1.187 × 103 
C)  1.1868 × 103 
D)  1.18680 × 103 
E)  1.186799 × 103 
A)  1.19 × 103 
B)  1.187 × 103 
C)  1.1868 × 103 
D)  1.18680 × 103 
E)  1.186799 × 103

Question 8

A solution has a temperature of 18.65 °C. What is the temperature in K?

Accepted Answer

A)  324.80 K 
B)  291.80 K 
C)  301.65 K 
D)  65.57 K 
E)  283.15 K 
A)  324.80 K 
B)  291.80 K 
C)  301.65 K 
D)  65.57 K 
E)  283.15 K

Question 9

A person has a mass of 77.1 kg. What is his weight in pounds?

Accepted Answer

A)  154 pounds 
B)  170 pounds 
C)  35.0 pounds 
D)  162 pounds 
A)  154 pounds 
B)  170 pounds 
C)  35.0 pounds 
D)  162 pounds

Question 10

What is the difference between a physical property and a chemical property? Give an example of each.

Accepted Answer

A physical property is something that ca

Question 11

If the speed limit is 65 miles per hour, calculate the speed limit in kilometres per hour. (1 mile = 1609 m)

Accepted Answer

A)  95 km h-1 
B)  105 km h-1 
C)  80 km h-1 
D)  65 km h-1 
E)  78 km h-1 
A)  95 km h-1 
B)  105 km h-1 
C)  80 km h-1 
D)  65 km h-1 
E)  78 km h-1

Question 12

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 13

What is the volume (in cm3) of a 43.6 g piece of metal with a density of 2.71 g cm-3?

Accepted Answer

A)  16.1 
B)  19.5 
C)  425 
D)  6.65 
E)  none of the above 
A)  16.1 
B)  19.5 
C)  425 
D)  6.65 
E)  none of the above

Question 14

A person is 1.890 yards tall. How tall is he in cm?

Accepted Answer

A)  172.8 cm 
B)  1.728 cm 
C)  2.232 cm 
D)  4.801 cm 
E)  14.40 cm 
A)  172.8 cm 
B)  1.728 cm 
C)  2.232 cm 
D)  4.801 cm 
E)  14.40 cm

Question 15

What decimal power does the abbreviation n represent?

Accepted Answer

A)  1 × 1015 
B)  1 × 102 
C)  1 × 10-1 
D)  1 × 10-9 
E)  1 × 10-12 
A)  1 × 1015 
B)  1 × 102 
C)  1 × 10-1 
D)  1 × 10-9 
E)  1 × 10-12

Question 16

Match the following.
-milli

Accepted Answer

A) 10-9 
B) 103 
C) 10-6 
D) 106 
E) 10-1
F)10-3
G)10-2 
A) 10-9 
B) 103 
C) 10-6 
D) 106 
E) 10-1
F)10-3
G)10-2

Question 17

Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when placed in a graduated cylinder.

Accepted Answer

A)  8.08 g mL-1 
B)  1.38 g mL-1 
C)  12 .4 g mL-1 
D)  18.1 g mL-1 
E)  11.4 g mL-1 
A)  8.08 g mL-1 
B)  1.38 g mL-1 
C)  12 .4 g mL-1 
D)  18.1 g mL-1 
E)  11.4 g mL-1

Question 18

A physical change ________.

Accepted Answer

A)  occurs when iron rusts 
B)  occurs when sugar is heated into caramel 
C)  occurs when glucose is converted into energy within your cells 
D)  occurs when water is evaporated 
E)  occurs when propane is burned for heat 
A)  occurs when iron rusts 
B)  occurs when sugar is heated into caramel 
C)  occurs when glucose is converted into energy within your cells 
D)  occurs when water is evaporated 
E)  occurs when propane is burned for heat

Question 19

Which of the following is an example of a chemical change?

Accepted Answer

A)  Copper building materials develop a green patina over time. 
B)  Solid ice melts. 
C)  Ethanol evaporates. 
D)  Brewing tea. 
A)  Copper building materials develop a green patina over time. 
B)  Solid ice melts. 
C)  Ethanol evaporates. 
D)  Brewing tea.

Question 20

If a room requires 25.4 square yards of carpeting, what is the area of the floor in units of ft2? (3 ft = 1 yd)

Accepted Answer

A)  76.2 ft2 
B)  8.47 ft2 
C)  282 ft2 
D)  229 ft2 
E)  68.6 ft2 
A)  76.2 ft2 
B)  8.47 ft2 
C)  282 ft2 
D)  229 ft2 
E)  68.6 ft2

Exam 1: Units of Measurement for Physical and Chemical Change

What wavelength of light would you report in units of nm if the light had a wavelength of 7.60 × 10-10 m?

Which of the following is the greatest mass?

Which of the following is the lowest temperature?

How many significant figures are there in the answer to the following problem?

Metre is a measure of ________.

Total energy of an object is best defined as the sum of ________.

What answer should be reported, with the correct number of significant figures, for the following calculation? (433.621 - 333.9) × 11.900

A solution has a temperature of 18.65 °C. What is the temperature in K?

A person has a mass of 77.1 kg. What is his weight in pounds?

What is the difference between a physical property and a chemical property? Give an example of each.

If the speed limit is 65 miles per hour, calculate the speed limit in kilometres per hour. (1 mile = 1609 m)

How many cm3 are contained in 3.77 × 104 mm3?

What is the volume (in cm3) of a 43.6 g piece of metal with a density of 2.71 g cm-3?

A person is 1.890 yards tall. How tall is he in cm?

What decimal power does the abbreviation n represent?

Match the following. -milli

Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when placed in a graduated cylinder.

A physical change ________.

Which of the following is an example of a chemical change?

If a room requires 25.4 square yards of carpeting, what is the area of the floor in units of ft2? (3 ft = 1 yd)

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

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 Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

What wavelength of light would you report in units of nm if the light had a wavelength of 7.60 × 10^-10 m?

How many cm³ are contained in 3.77 × 10⁴ mm³?

What is the volume (in cm³) of a 43.6 g piece of metal with a density of 2.71 g cm^-3?

If a room requires 25.4 square yards of carpeting, what is the area of the floor in units of ft²? (3 ft = 1 yd)