Question 1

Mass and volume are often referred to as properties of substances.

Accepted Answer

The answer of Mass and volume are often referred to...

Question 2

The correct result (indicating the proper number of significant figures) of the following addition is

Accepted Answer

A)  13 
B)  13.3 
C)  13.33 
D)  13.332 
E)  none of the above 
A)  13 
B)  13.3 
C)  13.33 
D)  13.332 
E)  none of the above

Question 3

The density of silver is 10.5 g/cm3. A piece of silver with a mass of 61.3 g would occupy a volume of cm3.

Accepted Answer

A)  10.5 
B)  5.84 
C)  644 
D)  0.00155 
E)  0.171 
A)  10.5 
B)  5.84 
C)  644 
D)  0.00155 
E)  0.171

Question 4

Momentum is defined as the product of mass and velocity. The SI unit for momentum is ?

Accepted Answer

A)   
B)   
C)   
D)   
E)   
A)   
B)   
C)   
D)   
E)

Question 5

Of the following, only is an extensive property.

Accepted Answer

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

Question 6

A certain liquid has a density of 2.67 g/cm3. 30.5 mL of this liquid would have a mass of __________ Kg.

Accepted Answer

A)  0.0114 
B)  81.4 
C)  11.4 
D)  0.0814 
E)  0.0875 
A)  0.0114 
B)  81.4 
C)  11.4 
D)  0.0814 
E)  0.0875

Question 7

How many liters of wine can be held in a wine barrel whose capacity is 26.0 gal? 1 gal = 4 qt = 3.7854 L.

Accepted Answer

A)  0.146 
B)  6.87 
C)  1.46 × 10- 4 
D)  6.87 × 103 
E)  98.4 
A)  0.146 
B)  6.87 
C)  1.46 × 10- 4 
D)  6.87 × 103 
E)  98.4

Question 8

The density (in g/cm3) of a gold nugget that has a volume of 1.68 cm3 and a mass of 32.4 g is

Accepted Answer

A)  19.3 
B)  0.0519 
C)  32.4 
D)  54.4 
E)  0.0184 
A)  19.3 
B)  0.0519 
C)  32.4 
D)  54.4 
E)  0.0184

Question 9

Round the following number to four significant figures and express the result in standard exponential notation:
229.613

Accepted Answer

A)  2.296 × 10- 2 
B)  22.96 × 10- 1 
C)  0.2296 × 103 
D)  2.296 × 102 
E)  229.6 
A)  2.296 × 10- 2 
B)  22.96 × 10- 1 
C)  0.2296 × 103 
D)  2.296 × 102 
E)  229.6

Question 10

If an object is accelerating at a rate of 25 m/s2, how long (in seconds) will it take to reach a speed of 550 m/s? (Assume an initial velocity of zero.)

Accepted Answer

A)  22 
B)  1.4 × 104  
C)  2.3 × 102  
D)  0.045 
E)  1.2 × 104 
A)  22 
B)  1.4 × 104  
C)  2.3 × 102  
D)  0.045 
E)  1.2 × 104

Question 11

significant figures should be retained in the result of the following calculation.

Accepted Answer

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

Question 12

Homogeneous mixtures are also known as _.

Accepted Answer

A)  solids 
B)  solutions 
C)  substances 
D)  compounds 
E)  elements 
A)  solids 
B)  solutions 
C)  substances 
D)  compounds 
E)  elements

Question 13

The correct answer (reported to the proper number of significant figures) to the following is
.
11.5 × 8.78 = __________

Accepted Answer

The answer of The correct answer (reported to the proper...

Question 14

If matter is uniform throughout and cannot be separated into other substances by physical means, it is .

Accepted Answer

A)  a homogeneous mixture 
B)  either an element or a compound 
C)  an element 
D)  a heterogeneous mixture 
E)  a compound 
A)  a homogeneous mixture 
B)  either an element or a compound 
C)  an element 
D)  a heterogeneous mixture 
E)  a compound

Question 15

There are 6 significant figures in the number 0.003702

Accepted Answer

A) True 
 B)False

Question 16

The correct answer (reported to the proper number of significant figures) to the following is

6.3 × 3.25 = __________

Accepted Answer

A)  20.5 
B)  21 
C)  20. 
D)  20.48 
E)  20.475 
A)  20.5 
B)  21 
C)  20. 
D)  20.48 
E)  20.475

Question 17

38.325 lbs = _____________grams.

Accepted Answer

The answer of 38.325 lbs = _____________grams....

Question 18

Expressing a number in scientific notation .

Accepted Answer

A)  removes significant zeros 
B)  allows to increase the number's precision 
C)  changes its value 
D)  removes ambiguity as to the significant figures 
E)  all of the above 
A)  removes significant zeros 
B)  allows to increase the number's precision 
C)  changes its value 
D)  removes ambiguity as to the significant figures 
E)  all of the above

Exam 1: Introduction: Matter and Measurement

Mass and volume are often referred to as properties of substances.

The correct result (indicating the proper number of significant figures) of the following addition is

The density of silver is 10.5 g/cm3. A piece of silver with a mass of 61.3 g would occupy a volume of cm3.

Momentum is defined as the product of mass and velocity. The SI unit for momentum is ?

Of the following, only is an extensive property.

A certain liquid has a density of 2.67 g/cm3. 30.5 mL of this liquid would have a mass of __________ Kg.

How many liters of wine can be held in a wine barrel whose capacity is 26.0 gal? 1 gal = 4 qt = 3.7854 L.

The density (in g/cm3) of a gold nugget that has a volume of 1.68 cm3 and a mass of 32.4 g is

Round the following number to four significant figures and express the result in standard exponential notation: 229.613

If an object is accelerating at a rate of 25 m/s2, how long (in seconds) will it take to reach a speed of 550 m/s? (Assume an initial velocity of zero.)

significant figures should be retained in the result of the following calculation.

Homogeneous mixtures are also known as _.

The correct answer (reported to the proper number of significant figures) to the following is . 11.5 × 8.78 = __________

If matter is uniform throughout and cannot be separated into other substances by physical means, it is .

There are 6 significant figures in the number 0.003702

The correct answer (reported to the proper number of significant figures) to the following is 6.3 × 3.25 = __________

38.325 lbs = _____________grams.

Expressing a number in scientific notation .

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

The density of silver is 10.5 g/cm³. A piece of silver with a mass of 61.3 g would occupy a volume of cm³.

A certain liquid has a density of 2.67 g/cm³. 30.5 mL of this liquid would have a mass of __________ Kg.

The density (in g/cm³) of a gold nugget that has a volume of 1.68 cm³and a mass of 32.4 g is

If an object is accelerating at a rate of 25 m/s², how long (in seconds) will it take to reach a speed of 550 m/s? (Assume an initial velocity of zero.)