Question 1

A physical property is the ability of a sample of matter to undergo a change in composition under certain conditions.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is a chemical property of gold?

Accepted Answer

A)  does not react with hydrochloric acid 
B)  is a good conductor of electricity 
C)  is malleable 
D)  is a good conductor of heat 
A)  does not react with hydrochloric acid 
B)  is a good conductor of electricity 
C)  is malleable 
D)  is a good conductor of heat

Question 3

Which of the following is a chemical change?

Accepted Answer

A)  the freezing of water to form ice 
B)  hammering zinc into a thin film 
C)  the inability of gold to react with water 
D)  the boiling of water to form steam 
E)  the reaction of chlorine gas and sodium to form salt 
A)  the freezing of water to form ice 
B)  hammering zinc into a thin film 
C)  the inability of gold to react with water 
D)  the boiling of water to form steam 
E)  the reaction of chlorine gas and sodium to form salt

Question 4

In Europe, the volume of soda is given in cL. How many mL are contained in a can of soda labeled "75 cL"?

Accepted Answer

A)  750 mL 
B)  75 mL 
C)  7.5 mL 
D)  7500 mL 
E)  0.75 mL 
A)  750 mL 
B)  75 mL 
C)  7.5 mL 
D)  7500 mL 
E)  0.75 mL

Question 5

A model that explains and makes predictions about natural phenomena is referred to as a:

Accepted Answer

A)  natural law 
B)  hypothesis 
C)  theory 
D)  generalization 
E)  deduction 
A)  natural law 
B)  hypothesis 
C)  theory 
D)  generalization 
E)  deduction

Question 6

At what temperature will the numerical values of the Celsius and Fahrenheit scales be the same?

Accepted Answer

A)  0° 
B)  -40° 
C)  40° 
D)  -273° 
E)  80° 
A)  0° 
B)  -40° 
C)  40° 
D)  -273° 
E)  80°

Question 7

The following measurements were made by a group of students using the same balance and a 25.00 gram weight.  
The data would be considered:
I.accurate and precise
II. accurate but not precise
III. precise but not accurate
IV. neither precise nor accurate
V. evidence of a systematic error
VI. evidence of large random errors

Accepted Answer

A)  I only 
B)  II and VI 
C)  III and V 
D)  IV and VI 
E)  IV, V, VI 
A)  I only 
B)  II and VI 
C)  III and V 
D)  IV and VI 
E)  IV, V, VI

Question 8

On a very cold day in Alaska, the temperature was -40°F. The temperature in Celsius on the same day was also -40°.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following are forms of matter? 
I. hydrogen gas
II. sunlight
III. ice
IV. wind
V. iron

Accepted Answer

A)  III and V 
B)  I, III and V 
C)  I and V 
D)  II and IV 
E)  all of the above 
A)  III and V 
B)  I, III and V 
C)  I and V 
D)  II and IV 
E)  all of the above

Question 10

What is 21.1 miles/hour in furlongs/fortnight? (8 furlongs = 1 mile; 14 days = 1 fortnight)

Accepted Answer

A)  0.502 furlongs/fortnight 
B)  8.862 × 103 furlongs/fortnight 
C)  5.67 × 104 furlongs/fortnight 
D)  8.86 × 103 furlongs/fortnight 
E)  5.672 × 104 furlongs/fortnight 
A)  0.502 furlongs/fortnight 
B)  8.862 × 103 furlongs/fortnight 
C)  5.67 × 104 furlongs/fortnight 
D)  8.86 × 103 furlongs/fortnight 
E)  5.672 × 104 furlongs/fortnight

Question 11

Water is:

Accepted Answer

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

Question 12

A sprinter runs exactly 200 meters in 19.98 seconds. What is his/her average speed in miles per hour?

Accepted Answer

A)  22.39 miles/h 
B)  22.4 miles/h 
C)  10.01 miles/h 
D)  0.373 miles/h 
E)  10.0 miles/h 
A)  22.39 miles/h 
B)  22.4 miles/h 
C)  10.01 miles/h 
D)  0.373 miles/h 
E)  10.0 miles/h

Question 13

Which one of the following would be classified as a heterogeneous mixture?

Accepted Answer

A)  salt water 
B)  copper nitrate solution 
C)  brass 
D)  mix of table salt and black pepper 
E)  a sugar solution 
A)  salt water 
B)  copper nitrate solution 
C)  brass 
D)  mix of table salt and black pepper 
E)  a sugar solution

Question 14

Calculate the length of a steel cable (density 7.91 g/cm3) with a mass of 160.0 g and cross-sectional area of 0.500 cm2.

Accepted Answer

A)  40.5 cm 
B)  20.23 cm 
C)  40.46 cm 
D)  20.2 cm 
E)  10.1 cm 
A)  40.5 cm 
B)  20.23 cm 
C)  40.46 cm 
D)  20.2 cm 
E)  10.1 cm

Exam 1: Matter - Its Properties and Measurement

A physical property is the ability of a sample of matter to undergo a change in composition under certain conditions.

Which of the following is a chemical property of gold?

Which of the following is a chemical change?

In Europe, the volume of soda is given in cL. How many mL are contained in a can of soda labeled "75 cL"?

A model that explains and makes predictions about natural phenomena is referred to as a:

At what temperature will the numerical values of the Celsius and Fahrenheit scales be the same?

On a very cold day in Alaska, the temperature was -40°F. The temperature in Celsius on the same day was also -40°.

Which of the following are forms of matter? I. hydrogen gas II. sunlight III. ice IV. wind V. iron

What is 21.1 miles/hour in furlongs/fortnight? (8 furlongs = 1 mile; 14 days = 1 fortnight)

Water is:

A sprinter runs exactly 200 meters in 19.98 seconds. What is his/her average speed in miles per hour?

Which one of the following would be classified as a heterogeneous mixture?

Calculate the length of a steel cable (density 7.91 g/cm3) with a mass of 160.0 g and cross-sectional area of 0.500 cm2.

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

Filters

Calculate the length of a steel cable (density 7.91 g/cm³) with a mass of 160.0 g and cross-sectional area of 0.500 cm².