Question 1

The highest temperature ever recorded in Phoenix, Arizona, was 122$\circ$F. Express this temperature in $\circ$C.

Accepted Answer

A)  50.0$\circ$C 
B)  64.4$\circ$C 
C)  67.8$\circ$C 
D)  162.0$\circ$C 
E)  219.6$\circ$C 
A)  50.0$\circ$C 
B)  64.4$\circ$C 
C)  67.8$\circ$C 
D)  162.0$\circ$C 
E)  219.6$\circ$C

Question 2

Sugar to put in coffee is a compound.

Accepted Answer

A) True 
 B)False

Question 3

Fermenting of grapes is physical change.

Accepted Answer

A) True 
 B)False

Question 4

How many significant figures does the result of the following sum contain
8.520 + 2.7

Accepted Answer

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

Question 5

The city of Los Angeles is now approximately 2400 miles south of Alaska. It is moving slowly northward as the San Andreas fault slides along. If Los Angeles is to arrive near Anchorage, Alaska, in 76 million years, at what average rate will it have to move in mm per month

Accepted Answer

A)  2.0 * 10-10 mm/mo. 
B)  6.6 * 10-6 mm/mo. 
C)  4.2 mm/mo. 
D)  9.5 mm/mo. 
E)  51 mm/mo. 
A)  2.0 * 10-10 mm/mo. 
B)  6.6 * 10-6 mm/mo. 
C)  4.2 mm/mo. 
D)  9.5 mm/mo. 
E)  51 mm/mo.

Question 6

The number 30.40 contains three significant figures.

Accepted Answer

A) True 
 B)False

Question 7

What is the volume, in cubic inches, of a brick that is 4.0 in * 2.7 in * 8.0 in

Accepted Answer

A)  15 in3 
B)  51 in3 
C)  78 in3 
D)  87 in3 
E)  150 in3 
A)  15 in3 
B)  51 in3 
C)  78 in3 
D)  87 in3 
E)  150 in3

Question 8

Which one of the following represents a chemical change

Accepted Answer

A)  boiling water to form steam 
B)  burning a piece of coal 
C)  heating lead until it melts 
D)  mixing iron filings and sand at room temperature 
E)  breaking glass 
A)  boiling water to form steam 
B)  burning a piece of coal 
C)  heating lead until it melts 
D)  mixing iron filings and sand at room temperature 
E)  breaking glass

Question 9

A block of iron has a mass of 826 g. What is the mass of a block of magnesium that has the same volume as the block of iron The following densities at 25$\circ$C are provided: agnesium, 1.7 g/cm3 ; graphite, 1.8 g/cm3 ; iron, 7.9 g/cm3.

Accepted Answer

A)  1,400 g 
B)  3,800 g 
C)  830 g 
D)  180 g 
E)  none of them are within 10 g of the right answer. 
A)  1,400 g 
B)  3,800 g 
C)  830 g 
D)  180 g 
E)  none of them are within 10 g of the right answer.

Question 10

How many significant figures are there in 0.3070 g

Accepted Answer

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

Question 11

Density is an intensive property.

Accepted Answer

A) True 
 B)False

Question 12

The density of mercury is 13.6 g/cm3. What is the mass in pounds of 1.0 gallons of mercury (1 lb = 453.6 g; 1 gal = 3.785 L)

Accepted Answer

A)  0.11 lb 
B)  30. Lb 
C)  51 lb 
D)  83 lb 
E)  110 lb 
A)  0.11 lb 
B)  30. Lb 
C)  51 lb 
D)  83 lb 
E)  110 lb

Question 13

The corrosion of a metal is a physical change.

Accepted Answer

A) True 
 B)False

Question 14

What is the volume, in cubic centimeters, of a brick that is 4.0 in * 2.7 in * 8.0 in

Accepted Answer

A)  5.3 cm3 
B)  53 cm3 
C)  87 cm3 
D)  4.8 * 102 cm3 
E)  1.4 * 103 cm3 
A)  5.3 cm3 
B)  53 cm3 
C)  87 cm3 
D)  4.8 * 102 cm3 
E)  1.4 * 103 cm3

Question 15

How many significant figures does the difference 218.7201 - 218.63 contain

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  5 
E)  7 
A)  1 
B)  2 
C)  3 
D)  5 
E)  7

Question 16

Water boiling at 100oC is a physical property.

Accepted Answer

A) True 
 B)False

Question 17

Using the arithmetic problem below, determine the correct number of significant figures.(1.5 * 10-4 * 61.3) + 2.01 =

Accepted Answer

A)  2.0192 
B)  2.0 
C)  2.019 
D)  2.02 
E)  2.019195 
A)  2.0192 
B)  2.0 
C)  2.019 
D)  2.02 
E)  2.019195

Question 18

The SI prefixes kilo and milli represent, respectively:

Accepted Answer

A)  10-9 and 10-6 
B)  106 and 10-3 
C)  103 and 10-3 
D)  109 and 10-6 
E)  10-9 and 10-1 
A)  10-9 and 10-6 
B)  106 and 10-3 
C)  103 and 10-3 
D)  109 and 10-6 
E)  10-9 and 10-1

Question 19

Cost per unit is an intensive property.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is true of an element

Accepted Answer

A)  An element is a substance composed of atoms of two or more elements 
B) An element is a substance that cannot be separated into simpler substances by chemical means. 
C) An element is combination of two or more substances in which the substances retain their distinct identities. 
D)  An element must be heterogeneous 
E)  An element must be a solid at room temperature 
A)  An element is a substance composed of atoms of two or more elements 
B) An element is a substance that cannot be separated into simpler substances by chemical means. 
C) An element is combination of two or more substances in which the substances retain their distinct identities. 
D)  An element must be heterogeneous 
E)  An element must be a solid at room temperature

Exam 1: Chemistry: The Study of Change

The highest temperature ever recorded in Phoenix, Arizona, was 122 ∘\circ∘ F. Express this temperature in ∘\circ∘ C.

Sugar to put in coffee is a compound.

Fermenting of grapes is physical change.

How many significant figures does the result of the following sum contain 8.520 + 2.7

The city of Los Angeles is now approximately 2400 miles south of Alaska. It is moving slowly northward as the San Andreas fault slides along. If Los Angeles is to arrive near Anchorage, Alaska, in 76 million years, at what average rate will it have to move in mm per month

The number 30.40 contains three significant figures.

What is the volume, in cubic inches, of a brick that is 4.0 in * 2.7 in * 8.0 in

Which one of the following represents a chemical change

A block of iron has a mass of 826 g. What is the mass of a block of magnesium that has the same volume as the block of iron The following densities at 25 ∘\circ∘ C are provided: agnesium, 1.7 g/cm3 ; graphite, 1.8 g/cm3 ; iron, 7.9 g/cm3.

How many significant figures are there in 0.3070 g

Density is an intensive property.

The density of mercury is 13.6 g/cm3. What is the mass in pounds of 1.0 gallons of mercury (1 lb = 453.6 g; 1 gal = 3.785 L)

The corrosion of a metal is a physical change.

What is the volume, in cubic centimeters, of a brick that is 4.0 in * 2.7 in * 8.0 in

How many significant figures does the difference 218.7201 - 218.63 contain

Water boiling at 100oC is a physical property.

Using the arithmetic problem below, determine the correct number of significant figures.(1.5 * 10-4 * 61.3) + 2.01 =

The SI prefixes kilo and milli represent, respectively:

Cost per unit is an intensive property.

Which of the following is true of an element

Atoms Molecules and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Hybridization of Atomic

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metals Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

The highest temperature ever recorded in Phoenix, Arizona, was 122^$\circ$F. Express this temperature in ^$\circ$C.

A block of iron has a mass of 826 g. What is the mass of a block of magnesium that has the same volume as the block of iron The following densities at 25^$\circ$C are provided: agnesium, 1.7 g/cm³ ; graphite, 1.8 g/cm³ ; iron, 7.9 g/cm³.

The density of mercury is 13.6 g/cm³. What is the mass in pounds of 1.0 gallons of mercury (1 lb = 453.6 g; 1 gal = 3.785 L)

Water boiling at 100^oC is a physical property.

Using the arithmetic problem below, determine the correct number of significant figures.(1.5 * 10^-4 * 61.3) + 2.01 =