Question 1

How many cubic metres (m3)are in 240 cubic feet? (1 m = 3.28084 feet)

Accepted Answer

A) 73.2 m3 
B) 12.7 m3 
C) 22.3 m3 
D) 6.80 m3 
E) 2.08 m3 
A) 73.2 m3 
B) 12.7 m3 
C) 22.3 m3 
D) 6.80 m3 
E) 2.08 m3

Question 2

Choose the homogeneous mixture from the list below.

Accepted Answer

A) chicken noodle soup 
B) air 
C) concrete 
D) trail mix 
E) blood 
A) chicken noodle soup 
B) air 
C) concrete 
D) trail mix 
E) blood

Question 3

Read the water level with the correct number of significant figures.

Accepted Answer

A) 5 mL 
B) 5.3 mL 
C) 5.32 mL 
D) 5.320 mL 
E) 5.3200 mL 
A) 5 mL 
B) 5.3 mL 
C) 5.32 mL 
D) 5.320 mL 
E) 5.3200 mL

Question 4

Convert 3000 m h-1 to km h-1.

Accepted Answer

A) 3 km h-1 
B) 0.3 km h-1 
C) 30 km h-1 
D) 300 km h-1 
E) 0.03 km h-1 
A) 3 km h-1 
B) 0.3 km h-1 
C) 30 km h-1 
D) 300 km h-1 
E) 0.03 km h-1

Question 5

Ethylene glycol is commonly used as antifreeze in the cooling systems of vehicles due to its low freezing point, 8.6 °F. What is the freezing point in °C?

Accepted Answer

A) 0.0°C 
B) -13°C 
C) -26°C 
D) -45°C 
E) -54°C 
A) 0.0°C 
B) -13°C 
C) -26°C 
D) -45°C 
E) -54°C

Question 6

How many significant figures are in 1009.630 mL?

Accepted Answer

A) 3 
B) 4 
C) 5 
D) 6 
E) 7 
A) 3 
B) 4 
C) 5 
D) 6 
E) 7

Question 7

Mole is a measure of

Accepted Answer

A) luminous intensity. 
B) amount. 
C) mass. 
D) length. 
E) current. 
A) luminous intensity. 
B) amount. 
C) mass. 
D) length. 
E) current.

Question 8

Convert 514 nm to m and express it in scientific notation.

Accepted Answer

A) 514 × 10-5 m 
B) 5.14 × 10-7 m 
C) 51.4 × 10-7 m 
D) 5.14 × 1011 m 
E) 5.14 × 10-9 m 
A) 514 × 10-5 m 
B) 5.14 × 10-7 m 
C) 51.4 × 10-7 m 
D) 5.14 × 1011 m 
E) 5.14 × 10-9 m

Question 9

Define thermal energy.

Accepted Answer

A) energy associated with the temperature of an object 
B) energy associated with the motion of an object 
C) energy associated with the force of an object 
D) energy associated with the gravity of an object 
A) energy associated with the temperature of an object 
B) energy associated with the motion of an object 
C) energy associated with the force of an object 
D) energy associated with the gravity of an object

Question 10

The factor 1,000,000 corresponds to which prefix?

Accepted Answer

A) deka 
B) deci 
C) mega 
D) milli 
A) deka 
B) deci 
C) mega 
D) milli

Question 11

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

Accepted Answer

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

Question 12

What is the correct answer, with the proper number of significant figures, for the following calculation?
(1815 - 1806)× (9.11 × 7.92)

Accepted Answer

The answer of What is the correct answer, with the...

Question 13

What answer should be reported, with the correct number of significant figures, for the following calculation?
 log(4.28 × 103)- 1

Accepted Answer

A) 2.63144 
B) 2.6314 
C) 2.631 
D) 2.6 
E) 3 
A) 2.63144 
B) 2.6314 
C) 2.631 
D) 2.6 
E) 3

Question 14

Identify the common substance that has the highest density.

Accepted Answer

A) sugar 
B) water 
C) glass 
D) lead 
E) aluminum 
A) sugar 
B) water 
C) glass 
D) lead 
E) aluminum

Question 15

Choose the homogeneous mixture from the list below.

Accepted Answer

A) lemonade 
B) mud 
C) ice water 
D) salad dressing 
E) salsa 
A) lemonade 
B) mud 
C) ice water 
D) salad dressing 
E) salsa

Question 16

Which of the following is the smallest volume?

Accepted Answer

A) 44 cm3 
B) 1.0 dL 
C) 5.5 × 103 mL 
D) 1.0 × 108 nL 
A) 44 cm3 
B) 1.0 dL 
C) 5.5 × 103 mL 
D) 1.0 × 108 nL

Question 17

What answer should be reported, with the correct number of significant figures, for the following calculation? (433.621 - 333.9)× 11.900

Accepted Answer

A) 1.19 × 103 
B) 1.187 × 103 
C) 1.1868 × 103 
D) 1.18680 × 103 
E) 1.186799 × 103 
A) 1.19 × 103 
B) 1.187 × 103 
C) 1.1868 × 103 
D) 1.18680 × 103 
E) 1.186799 × 103

Question 18

A mass of mercury occupies 0.750 L. What volume would an equal mass of ethanol occupy? The density of mercury is   and the density of ethanol is 0.789 g mL-1.

Accepted Answer

A) 0.0437 L 
B) 0.0777 L 
C) 12.9 L 
D) 22.9 L 
A) 0.0437 L 
B) 0.0777 L 
C) 12.9 L 
D) 22.9 L

Question 19

What is the difference between a physical property and a chemical property? Give an example of each.

Accepted Answer

A physical property is something that ca

Question 20

A piece of metal ore weighs 8.25 g. When a student places it into a graduated cylinder containing water, the liquid level rises from 21.25 mL to 26.47 mL. What is the density of the ore?

Accepted Answer

A) 0.312 g mL-1 
B) 0.633 g mL-1 
C) 1.58 g mL-1 
D) 3.21 g mL-1 
A) 0.312 g mL-1 
B) 0.633 g mL-1 
C) 1.58 g mL-1 
D) 3.21 g mL-1

Exam 1: Units of Measurement for Physical and Chemical Change

How many cubic metres (m3)are in 240 cubic feet? (1 m = 3.28084 feet)

Choose the homogeneous mixture from the list below.

Read the water level with the correct number of significant figures.

Convert 3000 m h-1 to km h-1.

Ethylene glycol is commonly used as antifreeze in the cooling systems of vehicles due to its low freezing point, 8.6 °F. What is the freezing point in °C?

How many significant figures are in 1009.630 mL?

Mole is a measure of

Convert 514 nm to m and express it in scientific notation.

Define thermal energy.

The factor 1,000,000 corresponds to which prefix?

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

What is the correct answer, with the proper number of significant figures, for the following calculation? (1815 - 1806)× (9.11 × 7.92)

What answer should be reported, with the correct number of significant figures, for the following calculation? log(4.28 × 103)- 1

Identify the common substance that has the highest density.

Choose the homogeneous mixture from the list below.

Which of the following is the smallest volume?

What answer should be reported, with the correct number of significant figures, for the following calculation? (433.621 - 333.9)× 11.900

A mass of mercury occupies 0.750 L. What volume would an equal mass of ethanol occupy? The density of mercury is and the density of ethanol is 0.789 g mL-1.

What is the difference between a physical property and a chemical property? Give an example of each.

A piece of metal ore weighs 8.25 g. When a student places it into a graduated cylinder containing water, the liquid level rises from 21.25 mL to 26.47 mL. What is the density of the ore?

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallury

Transition Metals and Coordination Compounds

Filters

How many cubic metres (m³)are in 240 cubic feet? (1 m = 3.28084 feet)

Convert 3000 m h^-1 to km h^-1.

What answer should be reported, with the correct number of significant figures, for the following calculation? log(4.28 × 10³)- 1

A mass of mercury occupies 0.750 L. What volume would an equal mass of ethanol occupy? The density of mercury is and the density of ethanol is 0.789 g mL^-1.