Question 1

Cu is the symbol for the element __________.

Accepted Answer

Copper

Question 2

What decimal power does the abbreviation pico represent?

Accepted Answer

A) 1 × 106 
B) 1 × 109 
C) 1 × 10-1 
D) 1 × 10-12 
E) 1 × 10-15 
A) 1 × 106 
B) 1 × 109 
C) 1 × 10-1 
D) 1 × 10-12 
E) 1 × 10-15 D

Question 3

The density of mercury is 13.6 g/cm3. The density of mercury is __________ kg/m3.

Accepted Answer

A) 1.36 × 10-2 
B) 1.36 × 104 
C) 1.36 × 108 
D) 1.36 × 10-5 
E) 1.36 × 10-4 
A) 1.36 × 10-2 
B) 1.36 × 104 
C) 1.36 × 108 
D) 1.36 × 10-5 
E) 1.36 × 10-4 B

Question 4

Osmium has a density of 22.6 g/cm3. What volume (in cm3)would be occupied by a 21.8 g sample of osmium?

Accepted Answer

A) 0.965 
B) 1.04 
C) 493 
D) 2.03 × 10-3 
E) 2.03 × 103 
A) 0.965 
B) 1.04 
C) 493 
D) 2.03 × 10-3 
E) 2.03 × 103

Question 5

Of the following, __________ is the largest mass.

Accepted Answer

A) 25 kg 
B) 2.5 × 10-2 mg 
C) 2.5 × 1015 pg 
D) 2.5 × 109 fg 
E) 2.5 × 1010 ng 
A) 25 kg 
B) 2.5 × 10-2 mg 
C) 2.5 × 1015 pg 
D) 2.5 × 109 fg 
E) 2.5 × 1010 ng

Question 6

The symbol for the element calcium is __________.

Accepted Answer

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

Question 7

The unit of force in the English measurement system is   . The SI unit of force is the Newton, which is __________ in base SI units.

Accepted Answer

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

Question 8

A certain liquid has a density of 2.67 g/cm3. 1340 g of this liquid would occupy a volume of __________ L.

Accepted Answer

A) 1.99 × 10-3 
B) 50.2 
C) 3.58 
D) 35.8 
E) 0.502 
A) 1.99 × 10-3 
B) 50.2 
C) 3.58 
D) 35.8 
E) 0.502

Question 9

If an object, beginning at rest, is moving at a speed of 700 m/s after 2.75 min, its rate of acceleration (in m/s2)is __________. (Assume that the rate of acceleration is constant.)

Accepted Answer

A) 1.16 × 105 
B) 255 
C) 193 
D) 4.24 
E) 1.53 × 104 
A) 1.16 × 105 
B) 255 
C) 193 
D) 4.24 
E) 1.53 × 104

Question 10

The density of air under ordinary conditions at 25 °C is 1.19 g/L. How many kilograms of air are in a room that measures 11.0 ft x 11.0 ft and has an 10.0 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 103 cm3

Accepted Answer

A) 3.66 
B) 0.152 
C) 4.08 × 104 
D) 0.0962 
E) 40.8 
A) 3.66 
B) 0.152 
C) 4.08 × 104 
D) 0.0962 
E) 40.8

Question 11

The law of constant composition applies to __________.

Accepted Answer

A) solutions 
B) heterogeneous mixtures 
C) compounds 
D) homogeneous mixtures 
E) solids 
A) solutions 
B) heterogeneous mixtures 
C) compounds 
D) homogeneous mixtures 
E) solids

Question 12

The initial or tentative explanation of an observation is called a(n)__________.

Accepted Answer

A) law 
B) theory 
C) hypothesis 
D) experiment 
E) test 
A) law 
B) theory 
C) hypothesis 
D) experiment 
E) test

Question 13

38.325 lbs = __________ grams. (1 lb = 454 g)

Accepted Answer

The answer of 38.325 lbs = __________ grams. (1 lb...

Question 14

How many significant figures should be retained in the result of the following calculation? 12.00000 × 0.9893 + 13.00335 × 0.0107

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 15

Temperature is a physical property that determines the direction of heat flow.

Accepted Answer

A) True 
 B)False

Question 16

In the following list, only __________ is not an example of a chemical reaction.

Accepted Answer

A) dissolution of a penny in nitric acid 
B) the condensation of water vapor 
C) a burning candle 
D) the formation of polyethylene from ethylene 
E) the rusting of iron 
A) dissolution of a penny in nitric acid 
B) the condensation of water vapor 
C) a burning candle 
D) the formation of polyethylene from ethylene 
E) the rusting of iron

Question 17

Gold has a density of 0.01932 kg/cm3. What volume (in cm3)would be occupied by a 33.3 g sample of gold?

Accepted Answer

A) 0.663 
B) 5.80 x 10-4 
C) 5.80 
D) 0.581 
E) 1.72 
A) 0.663 
B) 5.80 x 10-4 
C) 5.80 
D) 0.581 
E) 1.72

Question 18

The correct answer (reported to the proper number of significant figures)to the following is __________.
(1815-1806)× (9.11 × 7.92)= __________

Accepted Answer

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

Question 19

In which one of the following numbers are none of the zeros significant?

Accepted Answer

A) 100.0 
B) 1065 
C) 0.0100 
D) 1.003450 
E) 0.00001 
A) 100.0 
B) 1065 
C) 0.0100 
D) 1.003450 
E) 0.00001

Question 20

What is the volume (in cm3)of a 63.4 g piece of metal with a density of 12.86 g/cm3?

Accepted Answer

A) 4.93 
B) 19.5 
C) .425 
D) 6.65 
E) none of the above 
A) 4.93 
B) 19.5 
C) .425 
D) 6.65 
E) none of the above

Exam 1: Introduction: Matter and Measurement

Cu is the symbol for the element __________.

What decimal power does the abbreviation pico represent?

The density of mercury is 13.6 g/cm3. The density of mercury is __________ kg/m3.

Osmium has a density of 22.6 g/cm3. What volume (in cm3)would be occupied by a 21.8 g sample of osmium?

Of the following, __________ is the largest mass.

The symbol for the element calcium is __________.

The unit of force in the English measurement system is . The SI unit of force is the Newton, which is __________ in base SI units.

A certain liquid has a density of 2.67 g/cm3. 1340 g of this liquid would occupy a volume of __________ L.

If an object, beginning at rest, is moving at a speed of 700 m/s after 2.75 min, its rate of acceleration (in m/s2)is __________. (Assume that the rate of acceleration is constant.)

The density of air under ordinary conditions at 25 °C is 1.19 g/L. How many kilograms of air are in a room that measures 11.0 ft x 11.0 ft and has an 10.0 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 103 cm3

The law of constant composition applies to __________.

The initial or tentative explanation of an observation is called a(n)__________.

38.325 lbs = __________ grams. (1 lb = 454 g)

How many significant figures should be retained in the result of the following calculation? 12.00000 × 0.9893 + 13.00335 × 0.0107

Temperature is a physical property that determines the direction of heat flow.

In the following list, only __________ is not an example of a chemical reaction.

Gold has a density of 0.01932 kg/cm3. What volume (in cm3)would be occupied by a 33.3 g sample of gold?

The correct answer (reported to the proper number of significant figures)to the following is __________. (1815-1806)× (9.11 × 7.92)= __________

In which one of the following numbers are none of the zeros significant?

What is the volume (in cm3)of a 63.4 g piece of metal with a density of 12.86 g/cm3?

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

The density of mercury is 13.6 g/cm³. The density of mercury is __________ kg/m³.

Osmium has a density of 22.6 g/cm³. What volume (in cm³)would be occupied by a 21.8 g sample of osmium?

A certain liquid has a density of 2.67 g/cm³. 1340 g of this liquid would occupy a volume of __________ L.

If an object, beginning at rest, is moving at a speed of 700 m/s after 2.75 min, its rate of acceleration (in m/s²)is __________. (Assume that the rate of acceleration is constant.)

The density of air under ordinary conditions at 25 °C is 1.19 g/L. How many kilograms of air are in a room that measures 11.0 ft x 11.0 ft and has an 10.0 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 10³ cm³

Gold has a density of 0.01932 kg/cm³. What volume (in cm³)would be occupied by a 33.3 g sample of gold?

The correct answer (reported to the proper number of significant figures)to the following is . (1815-1806)× (9.11 × 7.92)=

What is the volume (in cm³)of a 63.4 g piece of metal with a density of 12.86 g/cm³?