Question 1

Of the following, ________ is the smallest mass.

Accepted Answer

A) 55 kg 
B) 55 mg 
C) 55 pg 
D) 55 fg 
E) 55 ng 
A) 55 kg 
B) 55 mg 
C) 55 pg 
D) 55 fg 
E) 55 ng

Question 2

If an object is accelerating at a rate of 25 m/s2, how fast will it be moving (in m/s)after 1.50 min? (Assume an initial velocity of zero.)

Accepted Answer

A) 17 
B) 3.6 
C) 38 
D) 2.3 × 103 
E) 0.060 
A) 17 
B) 3.6 
C) 38 
D) 2.3 × 103 
E) 0.060

Question 3

Precision refers to ________.

Accepted Answer

A) how close a measured number is to other measured numbers 
B) how close a measured number is to the true value 
C) how close a measured number is to the calculated value 
D) how close a measured number is to zero 
E) how close a measured number is to infinity 
A) how close a measured number is to other measured numbers 
B) how close a measured number is to the true value 
C) how close a measured number is to the calculated value 
D) how close a measured number is to zero 
E) how close a measured number is to infinity

Question 4

A wooden object has a mass of 10.782 g and occupies a volume of 13.72 mL. What is the density of the object determined to an appropriate number of significant figures?

Accepted Answer

A) 8 × 10-1 g/mL 
B) 7.9 × 10-1 g/mL 
C) 7.86 × 10-1 g/mL 
D) 7.859 × 10-1 g/mL 
E) 7.8586 × 10-1 g/mL 
A) 8 × 10-1 g/mL 
B) 7.9 × 10-1 g/mL 
C) 7.86 × 10-1 g/mL 
D) 7.859 × 10-1 g/mL 
E) 7.8586 × 10-1 g/mL

Question 5

Which one of the following is not an intensive property?

Accepted Answer

A) density 
B) temperature 
C) melting point 
D) mass 
E) boiling point 
A) density 
B) temperature 
C) melting point 
D) mass 
E) boiling point

Question 6

A rectangular water tank is 14.5 cm long and 4.63 cm wide. If 368.5 g of water completely fills the tank, the height of the tank is ________ cm. (Assume the density of water is 1.000 g/ml.)

Accepted Answer

A) 6.45 
B) 5.49 
C) 14.0 
D) 3.68 
E) 4.62 
A) 6.45 
B) 5.49 
C) 14.0 
D) 3.68 
E) 4.62

Question 7

Gases and liquids share the property of ________.

Accepted Answer

A) compressibility 
B) definite volume 
C) incompressibility 
D) indefinite shape 
E) definite shape 
A) compressibility 
B) definite volume 
C) incompressibility 
D) indefinite shape 
E) definite shape

Question 8

A temperature of 10.00 °C is the same as ________ °F.

Accepted Answer

A) 50.00 
B) 32.18 
C) -12.22 
D) 283.15 
E) -263.15 
A) 50.00 
B) 32.18 
C) -12.22 
D) 283.15 
E) -263.15

Question 9

Of the following, only ________ is a chemical reaction.

Accepted Answer

A) melting of lead 
B) dissolving sugar in water 
C) tarnishing of silver 
D) crushing of stone 
E) dropping a penny into a glass of water 
A) melting of lead 
B) dissolving sugar in water 
C) tarnishing of silver 
D) crushing of stone 
E) dropping a penny into a glass of water

Question 10

A temperature of ________ K is the same as 63 °F.

Accepted Answer

A) 17 
B) 276 
C) 290 
D) 29 
E) 336 
A) 17 
B) 276 
C) 290 
D) 29 
E) 336

Question 11

Si is the symbol for the element ________.

Accepted Answer

The answer of Si is the symbol for the element...

Question 12

The volume of a regular cylinder is V =πr2h. Using the value 3.1416 for the constant π, the volume (cm3)of a cylinder of radius 2.34 cm and height 19.91 cm expressed to the correct number of significant figures is ________.

Accepted Answer

A) 342.49471 
B) 342.495 
C) 342.49 
D) 343 
E) 342 
A) 342.49471 
B) 342.495 
C) 342.49 
D) 343 
E) 342

Question 13

Which of the following is not an exact number?

Accepted Answer

A) the number of seconds in a year 
B) the number of millimeters in a kilometer 
C) the number of liters in a gallon 
D) the number of centimeters in an inch 
E) the number of grams in a kilogram 
A) the number of seconds in a year 
B) the number of millimeters in a kilometer 
C) the number of liters in a gallon 
D) the number of centimeters in an inch 
E) the number of grams in a kilogram

Question 14

There are 6 significant figures in the number 0.003702.

Accepted Answer

A) True 
 B)False

Question 15

How many liters of wine can be held in a wine barrel whose capacity is 30.0 gal?

Accepted Answer

A) 1.26 × 10-4 
B) 0.126 
C) 114 
D) 7.93 × 103 
E) 7.93 
A) 1.26 × 10-4 
B) 0.126 
C) 114 
D) 7.93 × 103 
E) 7.93

Question 16

The symbol for the element neon is ________.

Accepted Answer

A) Rb 
B) Si 
C) Mg 
D) Mn 
E) Ne 
A) Rb 
B) Si 
C) Mg 
D) Mn 
E) Ne

Question 17

How many Significant Figures does the number 0.005000 have?

Accepted Answer

A) 4 
B) 5 
C) 1 
D) 2 
E) 3 
A) 4 
B) 5 
C) 1 
D) 2 
E) 3

Question 18

One side of a cube measures 1.55 m. The volume of this cube is ________ cm3.

Accepted Answer

A) 2.40 × 104 
B) 3.72 × 106 
C) 2.40 
D) 3.72 
E) 155 
A) 2.40 × 104 
B) 3.72 × 106 
C) 2.40 
D) 3.72 
E) 155

Question 19

The symbol for the element phosphorus is ________.

Accepted Answer

A) Pt 
B) K 
C) P 
D) S 
E) Ca 
A) Pt 
B) K 
C) P 
D) S 
E) Ca

Question 20

The estimated costs for remodelling the interior of an apartment are: three 1-gallon cans of paint at $15.44 each, two paint brushes at $12.22 each, and $145 for a helper. The total estimated cost with the appropriate significant figures is $________.

Accepted Answer

A) 215.76 
B) 2.2 × 102 
C) 216 
D) 2 × 102 
E) 215.8 
A) 215.76 
B) 2.2 × 102 
C) 216 
D) 2 × 102 
E) 215.8

Exam 1: Introduction: Matter and Measurement

Of the following, ________ is the smallest mass.

If an object is accelerating at a rate of 25 m/s2, how fast will it be moving (in m/s)after 1.50 min? (Assume an initial velocity of zero.)

Precision refers to ________.

A wooden object has a mass of 10.782 g and occupies a volume of 13.72 mL. What is the density of the object determined to an appropriate number of significant figures?

Which one of the following is not an intensive property?

A rectangular water tank is 14.5 cm long and 4.63 cm wide. If 368.5 g of water completely fills the tank, the height of the tank is ________ cm. (Assume the density of water is 1.000 g/ml.)

Gases and liquids share the property of ________.

A temperature of 10.00 °C is the same as ________ °F.

Of the following, only ________ is a chemical reaction.

A temperature of ________ K is the same as 63 °F.

Si is the symbol for the element ________.

The volume of a regular cylinder is V =πr2h. Using the value 3.1416 for the constant π, the volume (cm3)of a cylinder of radius 2.34 cm and height 19.91 cm expressed to the correct number of significant figures is ________.

Which of the following is not an exact number?

There are 6 significant figures in the number 0.003702.

How many liters of wine can be held in a wine barrel whose capacity is 30.0 gal?

The symbol for the element neon is ________.

How many Significant Figures does the number 0.005000 have?

One side of a cube measures 1.55 m. The volume of this cube is ________ cm3.

The symbol for the element phosphorus is ________.

The estimated costs for remodelling the interior of an apartment are: three 1-gallon cans of paint at $15.44 each, two paint brushes at $12.22 each, and $145 for a helper. The total estimated cost with the appropriate significant figures is $________.

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

If an object is accelerating at a rate of 25 m/s², how fast will it be moving (in m/s)after 1.50 min? (Assume an initial velocity of zero.)

The volume of a regular cylinder is V =πr²h. Using the value 3.1416 for the constant π, the volume (cm³)of a cylinder of radius 2.34 cm and height 19.91 cm expressed to the correct number of significant figures is ________.

One side of a cube measures 1.55 m. The volume of this cube is ________ cm³.