Question 1

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 2

Iron has a density of 7.9 g/cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm?

Accepted Answer

A) 2.1 x 104 g 
B) 4.3 x 102 g 
C) 1.3 x 103 g 
D) 1.4 g 
E) 2.3 x 10-2 g 
A) 2.1 x 104 g 
B) 4.3 x 102 g 
C) 1.3 x 103 g 
D) 1.4 g 
E) 2.3 x 10-2 g

Question 3

Of the following, only __________ is an extensive property.

Accepted Answer

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

Question 4

Which one of the following elements has a symbol that is not derived from its foreign name?

Accepted Answer

A) tin 
B) aluminum 
C) mercury 
D) copper 
E) lead 
A) tin 
B) aluminum 
C) mercury 
D) copper 
E) lead

Question 5

You have to calculate the volume of a gas sample with mass of 1.000 × 103 g and density of 1.027 g/L, but you have forgotten the formula. Which way of reasoning would help you in finding the correct mass?

Accepted Answer

A) If 1.027 g of a gas takes up a volume of 1 L, then 1.000 × 103 g of the same gas takes up a volume of __________. 
B) If 1.027 L of gas has a mass of 1 g, then __________ L has the mass of 1.000 × 103 g. 
A) If 1.027 g of a gas takes up a volume of 1 L, then 1.000 × 103 g of the same gas takes up a volume of __________. 
B) If 1.027 L of gas has a mass of 1 g, then __________ L has the mass of 1.000 × 103 g.

Question 6

How many significant figures are in the measurement 5.34 g?

Accepted Answer

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

Question 7

Milli is the abbreviation for the prefix ________.

Accepted Answer

A) k 
B) m 
C) M 
D) n 
E) d 
A) k 
B) m 
C) M 
D) n 
E) d

Question 8

How many liters of air are in a room that measures 10.0 ft x 11.0 ft and has an 8.00 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 103 cm3

Accepted Answer

A) 2.49 × 104 
B) 92.8 
C) 26.8 
D) 2.68 × 107 
E) 8.84 × 105 
A) 2.49 × 104 
B) 92.8 
C) 26.8 
D) 2.68 × 107 
E) 8.84 × 105

Question 9

The estimated costs for remodelling the interior of an apartment are: three 1-gallon cans of paint at $13.22 each, two paint brushes at $9.53 each, and $135 for a helper. The total estimated cost with the appropriate significant figures is

Accepted Answer

A) 193.72 
B) 1.9 × 102 
C) 194 
D) 2 × 102 
E) 193.7 
A) 193.72 
B) 1.9 × 102 
C) 194 
D) 2 × 102 
E) 193.7

Question 10

The law of constant composition says __________.

Accepted Answer

A) that the composition of a compound is always the same 
B) that all substances have the same composition 
C) that the composition of an element is always the same 
D) that the composition of a homogeneous mixture is always the same 
E) that the composition of a heterogeneous mixture is always the same 
A) that the composition of a compound is always the same 
B) that all substances have the same composition 
C) that the composition of an element is always the same 
D) that the composition of a homogeneous mixture is always the same 
E) that the composition of a heterogeneous mixture is always the same

Question 11

The recommended adult dose of Elixophyllin   , a drug used to treat asthma, is 6.00 mg/kg of body mass. Calculate the dose in milligrams for a 115-lb person. 1 lb = 453.59 g.

Accepted Answer

A) 24 
B) 1,521 
C) 1.5 
D) 313 
E) 3.1 × 105 
A) 24 
B) 1,521 
C) 1.5 
D) 313 
E) 3.1 × 105

Question 12

1.035 ×   L = __________ mL

Accepted Answer

The answer of 1.035 ×   L = __________...

Question 13

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

Accepted Answer

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

Question 14

The correct answer (reported to the proper number of significant figures)to the following is __________. (2.05631)(6.9391136)/ 12.59326 = _____

Accepted Answer

A) 1.1330639 
B) 1.13306 
C) 1.133064 
D) 1.1361 
E) none of the above 
A) 1.1330639 
B) 1.13306 
C) 1.133064 
D) 1.1361 
E) none of the above

Question 15

The symbol for the element mercury is __________.

Accepted Answer

A) Me 
B) Pb 
C) Sn 
D) Hg 
E) Na 
A) Me 
B) Pb 
C) Sn 
D) Hg 
E) Na

Question 16

The symbol for the element magnesium is __________.

Accepted Answer

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

Question 17

__________ is the chemical symbol for elemental sodium.

Accepted Answer

A) S 
B) W 
C) So 
D) Na 
E) Sn 
A) S 
B) W 
C) So 
D) Na 
E) Sn

Question 18

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 19

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 20

A common English set of units for expressing velocity is miles/hour. The SI unit for velocity is __________.

Accepted Answer

A) km/hr 
B) km/s 
C) m/hr 
D) m/s 
E) cm/s 
A) km/hr 
B) km/s 
C) m/hr 
D) m/s 
E) cm/s

Exam 1: Introduction: Matter and Measurement

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

Iron has a density of 7.9 g/cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm?

Of the following, only __________ is an extensive property.

Which one of the following elements has a symbol that is not derived from its foreign name?

You have to calculate the volume of a gas sample with mass of 1.000 × 103 g and density of 1.027 g/L, but you have forgotten the formula. Which way of reasoning would help you in finding the correct mass?

How many significant figures are in the measurement 5.34 g?

Milli is the abbreviation for the prefix ________.

How many liters of air are in a room that measures 10.0 ft x 11.0 ft and has an 8.00 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 103 cm3

The estimated costs for remodelling the interior of an apartment are: three 1-gallon cans of paint at $13.22 each, two paint brushes at $9.53 each, and $135 for a helper. The total estimated cost with the appropriate significant figures is

The law of constant composition says __________.

The recommended adult dose of Elixophyllin , a drug used to treat asthma, is 6.00 mg/kg of body mass. Calculate the dose in milligrams for a 115-lb person. 1 lb = 453.59 g.

1.035 × L = __________ mL

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

The correct answer (reported to the proper number of significant figures)to the following is __________. (2.05631)(6.9391136)/ 12.59326 = _____

The symbol for the element mercury is __________.

The symbol for the element magnesium is __________.

__________ is the chemical symbol for elemental sodium.

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.)

Of the following, only __________ is a chemical reaction.

A common English set of units for expressing velocity is miles/hour. The SI unit for velocity 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

Iron has a density of 7.9 g/cm³. What is the mass of a cube of iron with the length of one side equal to 55.0 mm?

You have to calculate the volume of a gas sample with mass of 1.000 × 10³ g and density of 1.027 g/L, but you have forgotten the formula. Which way of reasoning would help you in finding the correct mass?

How many liters of air are in a room that measures 10.0 ft x 11.0 ft and has an 8.00 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 10³ cm³

The correct answer (reported to the proper number of significant figures)to the following is ______. (2.05631)(6.9391136)/ 12.59326 = _

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.)