Question 1

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

Accepted Answer

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

Question 2

The width, length, and height of a large, custom- made shipping crate are 1.22 m, 3.22 m, and 0.83 m, respectively. The volume of the box using the correct number of significant figures is m3.

Accepted Answer

A)  3.3 
B)  3.261 
C)  3.26057 
D)  3.26 
E)  3.2606 
A)  3.3 
B)  3.261 
C)  3.26057 
D)  3.26 
E)  3.2606

Question 3

One edge of a cube is measured and found to be 13 cm. The volume of the cube in m3 is

Accepted Answer

A)  2.2 × 10- 6  
B)  2.2 × 103  
C)  2.2 × 106  
D)  2.2 
E)  2.2 × 10- 3 
A)  2.2 × 10- 6  
B)  2.2 × 103  
C)  2.2 × 106  
D)  2.2 
E)  2.2 × 10- 3

Question 4

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

Question 5

The quantity _ m is the same as 3 km.

Accepted Answer

A)  0.003 
B)  3000 
C)  0.03 
D)  30 
E)  300 
A)  0.003 
B)  3000 
C)  0.03 
D)  30 
E)  300

Question 6

Gases do not have a fixed as they are able to be .

Accepted Answer

The answer of Gases do not have a fixed as...

Question 7

Round the number 0.007222 to three significant figures.

Accepted Answer

A)  0.00723 
B)  0.007 
C)  0.0072 
D)  0.00722 
E)  0.007225 
A)  0.00723 
B)  0.007 
C)  0.0072 
D)  0.00722 
E)  0.007225

Question 8

Of the objects below, is the most dense.

Accepted Answer

A)  an object with a volume of 2.5 L and a mass of 12.5 kg 
B)  an object with a volume of 13 dm3 and a mass of 1.29 × 103 g 
C)  an object with a volume of 0.00212 m3 and a mass of 4.22 × 104 mg 
D)  an object with a volume of 3.91 × 10- 24 nm3 and a mass of 7.93 × 10- 1 ng 
E)  an object with a volume of 139 mL and a mass of 93 g 
A)  an object with a volume of 2.5 L and a mass of 12.5 kg 
B)  an object with a volume of 13 dm3 and a mass of 1.29 × 103 g 
C)  an object with a volume of 0.00212 m3 and a mass of 4.22 × 104 mg 
D)  an object with a volume of 3.91 × 10- 24 nm3 and a mass of 7.93 × 10- 1 ng 
E)  an object with a volume of 139 mL and a mass of 93 g

Question 9

Which calculation clearly shows a conversion between temperatures in degrees Celsius, t(°C), and temperature in Kelvins, T(K)?

Accepted Answer

A)  T(K) = t(°
C)  
B)  T(K) = [t(°
C)  - 32] / 1.8 
C)  T(K) = 273 - t(°
C)  
D)  T(K) = [t(°
C)  + 32] × 1.8 
E)  T(K) = t(°
C)  + 273 
A)  T(K) = t(°
C)  
B)  T(K) = [t(°
C)  - 32] / 1.8 
C)  T(K) = 273 - t(°
C)  
D)  T(K) = [t(°
C)  + 32] × 1.8 
E)  T(K) = t(°
C)  + 273

Question 10

"Absolute zero" refers to .

Accepted Answer

A)  °C + 9/5(°F - 32) 
B)  273.15°C 
C)  0 Kelvin 
D)  0° Celsius 
E)  0° Fahrenheit 
A)  °C + 9/5(°F - 32) 
B)  273.15°C 
C)  0 Kelvin 
D)  0° Celsius 
E)  0° Fahrenheit

Question 11

3.337 g/cm3 = kg/m3

Accepted Answer

A)  3337 
B)  3.337 × 10- 9 
C)  333.7 
D)  3.337 × 10- 5 
E)  0.3337 
A)  3337 
B)  3.337 × 10- 9 
C)  333.7 
D)  3.337 × 10- 5 
E)  0.3337

Question 12

Solids have a shape and are not appreciably .

Accepted Answer

A)  definite, incompressible 
B)  definite, compressible 
C)  indefinite, compressible 
D)  indefinite, incompressible 
E)  sharp, convertible 
A)  definite, incompressible 
B)  definite, compressible 
C)  indefinite, compressible 
D)  indefinite, incompressible 
E)  sharp, convertible

Question 13

Precision refers to _.

Accepted Answer

A)  how close a measured number is to other measured numbers 
B)  how close a measured number is to infinity 
C)  how close a measured number is to zero 
D)  how close a measured number is to the calculated value 
E)  how close a measured number is to the true value 
A)  how close a measured number is to other measured numbers 
B)  how close a measured number is to infinity 
C)  how close a measured number is to zero 
D)  how close a measured number is to the calculated value 
E)  how close a measured number is to the true value

Question 14

Gases and liquids share the property of .

Accepted Answer

A)  definite shape 
B)  compressibility 
C)  indefinite shape 
D)  incompressibility 
E)  definite volume 
A)  definite shape 
B)  compressibility 
C)  indefinite shape 
D)  incompressibility 
E)  definite volume

Question 15

An element cannot .

Accepted Answer

A)  be part of a heterogeneous mixture 
B)  be a pure substance 
C)  be part of a homogeneous mixture 
D)  interact with other elements to form compounds 
E)  be separated into other substances by chemical means 
A)  be part of a heterogeneous mixture 
B)  be a pure substance 
C)  be part of a homogeneous mixture 
D)  interact with other elements to form compounds 
E)  be separated into other substances by chemical means

Question 16

Of the following, only is a chemical reaction.

Accepted Answer

A)  dropping a penny into a glass of water 
B)  melting of lead 
C)  crushing of stone 
D)  dissolving sugar in water 
E)  tarnishing of silver 
A)  dropping a penny into a glass of water 
B)  melting of lead 
C)  crushing of stone 
D)  dissolving sugar in water 
E)  tarnishing of silver

Question 17

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

Question 18

Of the following, is the smallest mass.

Accepted Answer

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

Question 19

Which of the following liquids has the greatest density?

Accepted Answer

A)  13 cm3 with a mass of 23 g 
B)  210 cm3 with a mass of 12 g 
C)  3.5 cm3 with a mass of 10 g 
D)  54 cm3 with a mass of 45 g 
E)  0.022 cm3 with a mass of 0.10 g 
A)  13 cm3 with a mass of 23 g 
B)  210 cm3 with a mass of 12 g 
C)  3.5 cm3 with a mass of 10 g 
D)  54 cm3 with a mass of 45 g 
E)  0.022 cm3 with a mass of 0.10 g

Question 20

What decimal power does the abbreviation f represent?

Accepted Answer

A)  1 × 106  
B)  1 × 10- 15  
C)  1 × 10- 12  
D)  1 × 10- 1  
E)  1 × 103 
A)  1 × 106  
B)  1 × 10- 15  
C)  1 × 10- 12  
D)  1 × 10- 1  
E)  1 × 103

Exam 1: Introduction: Matter and Measurement

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

The width, length, and height of a large, custom- made shipping crate are 1.22 m, 3.22 m, and 0.83 m, respectively. The volume of the box using the correct number of significant figures is m3.

One edge of a cube is measured and found to be 13 cm. The volume of the cube in m3 is

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?

The quantity _ m is the same as 3 km.

Gases do not have a fixed as they are able to be .

Round the number 0.007222 to three significant figures.

Of the objects below, is the most dense.

Which calculation clearly shows a conversion between temperatures in degrees Celsius, t(°C), and temperature in Kelvins, T(K)?

"Absolute zero" refers to .

3.337 g/cm3 = kg/m3

Solids have a shape and are not appreciably .

Precision refers to _.

Gases and liquids share the property of .

An element cannot .

Of the following, only is a chemical reaction.

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.)

Of the following, is the smallest mass.

Which of the following liquids has the greatest density?

What decimal power does the abbreviation f represent?

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

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

The width, length, and height of a large, custom- made shipping crate are 1.22 m, 3.22 m, and 0.83 m, respectively. The volume of the box using the correct number of significant figures is m³.

One edge of a cube is measured and found to be 13 cm. The volume of the cube in m³is

You have to calculate the volume of a gas sample with mass of 1.000 × 10³g 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?

3.337 g/cm³= kg/m³

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.)