Question 1

Convert 1400 mm to inches.

Accepted Answer

A)  5500 in 
B)  550 in 
C)  36 in 
D)  360 in 
E)  55 in 
A)  5500 in 
B)  550 in 
C)  36 in 
D)  360 in 
E)  55 in E

Question 2

The scientific method is used to make theories that can no longer be changed.

Accepted Answer

A) True 
 B)False  False

Question 3

Perform the following calculation and express the result with the appropriate number of significant figures: (1.302 + 953.2)/(2.0) = ?

Accepted Answer

A)  4.80 × 102 
B)  477 
C)  4.8 × 102 
D)  477.3 
E)  477.25 
A)  4.80 × 102 
B)  477 
C)  4.8 × 102 
D)  477.3 
E)  477.25 C

Question 4

The temperature in the core of the warp drive of the starship Enterprise is supposedly 3 million (3.00 × 106) degrees Celsius. What is this in degrees Fahrenheit?

Accepted Answer

A)  5.40 × 106 °F 
B)  2.99 × 106 °F 
C)  1.67 × 106 °F 
D)  3.27 × 106 °F 
E)  8.13 × 106 °F 
A)  5.40 × 106 °F 
B)  2.99 × 106 °F 
C)  1.67 × 106 °F 
D)  3.27 × 106 °F 
E)  8.13 × 106 °F

Question 5

The SI unit for mass is:

Accepted Answer

A)  kilogram 
B)  gram 
C)  pound 
D)  ounce 
E)  newton 
A)  kilogram 
B)  gram 
C)  pound 
D)  ounce 
E)  newton

Question 6

A solution of 34.5% sulfuric acid by weight in water has a density of 1.26 g/mL. How many grams of sulfuric acid are needed to make 3.22 L of this solution?

Accepted Answer

A)  1.20 × 105 g 
B)  882 g 
C)  135 g 
D)  1.40 × 103 g 
E)  1.40 × 105 g 
A)  1.20 × 105 g 
B)  882 g 
C)  135 g 
D)  1.40 × 103 g 
E)  1.40 × 105 g

Question 7

An elephant's bathtub is 8.0 feet long, 2.5 yards wide, and 70 inches deep. What is the capacity of the elephant's bathtub in U.S. quarts?

Accepted Answer

A)  9.3 × 103 qt 
B)  1.1 × 104 qt 
C)  3.4 × 104 qt 
D)  34 qt 
E)  2.2 × 104 qt 
A)  9.3 × 103 qt 
B)  1.1 × 104 qt 
C)  3.4 × 104 qt 
D)  34 qt 
E)  2.2 × 104 qt

Question 8

The term substance should be used for

Accepted Answer

A)  chemical elements 
B)  compounds 
C)  both chemical elements and compounds 
D)  chemical elements, compounds, and mixtures 
E)  any mixture. 
A)  chemical elements 
B)  compounds 
C)  both chemical elements and compounds 
D)  chemical elements, compounds, and mixtures 
E)  any mixture.

Question 9

A 15.0 g sample of hydrated copper sulfate was heated to dryness and the new mass measured to be 9.59 g. Calculate the percentage of water in the hydrated crystal. Express your answer to the correct number of significant digits.

Accepted Answer

A)  36.1% 
B)  36% 
C)  63.3% 
D)  63% 
E)  45% 
A)  36.1% 
B)  36% 
C)  63.3% 
D)  63% 
E)  45%

Question 10

Several values close together guarantee good accuracy.

Accepted Answer

A) True 
 B)False

Question 11

One centimeter is equal to how many meters?

Accepted Answer

A)  100 m 
B)  1000 m 
C)  10 m 
D)  0.10 m 
E)  0.01 m 
A)  100 m 
B)  1000 m 
C)  10 m 
D)  0.10 m 
E)  0.01 m

Question 12

It takes light one second to travel 2.998 × 108 m. How many kilometers does light travel in a day?

Accepted Answer

A)  1.086 × 109 km 
B)  2.590 × 1010 km 
C)  7.195 × 109 km 
D)  4.317 × 108 km 
E)  1.086 × 108 km 
A)  1.086 × 109 km 
B)  2.590 × 1010 km 
C)  7.195 × 109 km 
D)  4.317 × 108 km 
E)  1.086 × 108 km

Question 13

A block of wood has dimensions of 1.2 m × 5.0 cm × 7.0 cm and has a mass of 3.0 kg. What is the density of the wood?

Accepted Answer

A)  1400 g/mL 
B)  0.071 g/mL 
C)  0.71 g/mL 
D)  1.4 g/mL 
E)  140 g/mL 
A)  1400 g/mL 
B)  0.071 g/mL 
C)  0.71 g/mL 
D)  1.4 g/mL 
E)  140 g/mL

Question 14

Sulfuric acid is:

Accepted Answer

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

Question 15

Which of the following is longest?

Accepted Answer

A)  3.0 nm 
B)  300 pm 
C)  3.0 × 10-4 m 
D)  3.0 × 10-10 cm 
E)  3.00 × 10-9 km 
A)  3.0 nm 
B)  300 pm 
C)  3.0 × 10-4 m 
D)  3.0 × 10-10 cm 
E)  3.00 × 10-9 km

Question 16

A briefcase 4.5 in × 22 in × 11 in is filled with gold, which has a density of 19.3 g/cm3 and costs $308/oz. What is the dollar value of this gold?

Accepted Answer

A)  $5.80 × 105 
B)  $1.56 × 103 
C)  $3.74 × 106 
D)  $1.00 × 104 
E)  $2.81 × 106 
A)  $5.80 × 105 
B)  $1.56 × 103 
C)  $3.74 × 106 
D)  $1.00 × 104 
E)  $2.81 × 106

Question 17

Using the proper number of significant figures, how should the answer to the multiplication of the measurements 200.1 × 8.550 × 0.04899 be written?

Accepted Answer

A)  83.8148 
B)  83.8 
C)  83.81 
D)  83.815 
E)  83.82 
A)  83.8148 
B)  83.8 
C)  83.81 
D)  83.815 
E)  83.82

Question 18

Without doing a calculation, find which of the following represents the highest temperature.

Accepted Answer

A)  20°F 
B)  0°C 
C)  0 K 
D)  270 K 
E)  0°F 
A)  20°F 
B)  0°C 
C)  0 K 
D)  270 K 
E)  0°F

Question 19

The prefix "milli" and the prefix "micro" correspond, respectively, to the factors:

Accepted Answer

A)  10-3 and 10-6 
B)  10-6 and 10-9 
C)  10-3 and 10-12 
D)  10-1 and 10-6 
E)  103 and 106 
A)  10-3 and 10-6 
B)  10-6 and 10-9 
C)  10-3 and 10-12 
D)  10-1 and 10-6 
E)  103 and 106

Question 20

A 2.0 gal flask weighs 4.0 lbs when empty. When it is filled with liquid, the flask weighs 4536.0 g. What is the density of the liquid in g/mL? (1 gal = 3.785 L, 1 lb = 453.6 g)

Accepted Answer

A)  0.36 g/mL 
B)  0.72 g/mL 
C)  0.60 g/mL 
D)  0.14 g/mL 
E)  0.071 g/mL 
A)  0.36 g/mL 
B)  0.72 g/mL 
C)  0.60 g/mL 
D)  0.14 g/mL 
E)  0.071 g/mL

Exam 1: Matter - Its Properties and Measurement

Convert 1400 mm to inches.

The scientific method is used to make theories that can no longer be changed.

Perform the following calculation and express the result with the appropriate number of significant figures: (1.302 + 953.2)/(2.0) = ?

The temperature in the core of the warp drive of the starship Enterprise is supposedly 3 million (3.00 × 106) degrees Celsius. What is this in degrees Fahrenheit?

The SI unit for mass is:

A solution of 34.5% sulfuric acid by weight in water has a density of 1.26 g/mL. How many grams of sulfuric acid are needed to make 3.22 L of this solution?

An elephant's bathtub is 8.0 feet long, 2.5 yards wide, and 70 inches deep. What is the capacity of the elephant's bathtub in U.S. quarts?

The term substance should be used for

A 15.0 g sample of hydrated copper sulfate was heated to dryness and the new mass measured to be 9.59 g. Calculate the percentage of water in the hydrated crystal. Express your answer to the correct number of significant digits.

Several values close together guarantee good accuracy.

One centimeter is equal to how many meters?

It takes light one second to travel 2.998 × 108 m. How many kilometers does light travel in a day?

A block of wood has dimensions of 1.2 m × 5.0 cm × 7.0 cm and has a mass of 3.0 kg. What is the density of the wood?

Sulfuric acid is:

Which of the following is longest?

A briefcase 4.5 in × 22 in × 11 in is filled with gold, which has a density of 19.3 g/cm3 and costs $308/oz. What is the dollar value of this gold?

Using the proper number of significant figures, how should the answer to the multiplication of the measurements 200.1 × 8.550 × 0.04899 be written?

Without doing a calculation, find which of the following represents the highest temperature.

The prefix "milli" and the prefix "micro" correspond, respectively, to the factors:

A 2.0 gal flask weighs 4.0 lbs when empty. When it is filled with liquid, the flask weighs 4536.0 g. What is the density of the liquid in g/mL? (1 gal = 3.785 L, 1 lb = 453.6 g)

Atoms and the Atomic Theory

Chemical Compounds

Chemical Reactions

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

Electrons in Atoms

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Additional Aspects

Intermolecular Forces: Liquids and Solids

Solutions and Their Physical Properties

Chemical Kinetics

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Spontaneous Change: Entropy and Free Energy

Electrochemistry

Main Group Elements I: Groups 1, 2, 13, and 14

Main Group Elements II: Groups 18, 17, 16, 15, and Hydrogen

The Transition Elements

Complex Ions and Coordination Compounds

Nuclear Chemistry 1-41

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

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