Question 1

Systematic error is defined as

Accepted Answer

A)  error that tends to be too high or too low. 
B)  error that has equal probability of being too high and too low. 
C)  error that averages out with repeated trials. 
D)  error that is random. 
A)  error that tends to be too high or too low. 
B)  error that has equal probability of being too high and too low. 
C)  error that averages out with repeated trials. 
D)  error that is random.

Question 2

How many mL are in 4.08 L?

Accepted Answer

A)  4.08 × 10-3 mL 
B)  4.08 × 101 mL 
C)  4.08 × 103 mL 
D)  4.08 × 10-1 mL 
E)  4.08 × 106 mL 
A)  4.08 × 10-3 mL 
B)  4.08 × 101 mL 
C)  4.08 × 103 mL 
D)  4.08 × 10-1 mL 
E)  4.08 × 106 mL

Question 3

All of the following are SI base units of measurement,EXCEPT

Accepted Answer

A)  meter. 
B)  gram. 
C)  second. 
D)  kelvin. 
E)  mole. 
A)  meter. 
B)  gram. 
C)  second. 
D)  kelvin. 
E)  mole.

Question 4

Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when placed in a graduated cylinder.

Accepted Answer

A)  8.08 g/mL 
B)  1.38 g/mL 
C)  12.4 g/mL 
D)  18.1 g/mL 
E)  11.4 g/mL 
A)  8.08 g/mL 
B)  1.38 g/mL 
C)  12.4 g/mL 
D)  18.1 g/mL 
E)  11.4 g/mL

Question 5

What answer should be reported,with the correct number of significant figures,for the following calculation? (965.43 × 3.911)+ 9413.4136

Accepted Answer

A)  13189 
B)  13189.2 
C)  1.32 × 104 
D)  1.3 × 104 
E)  1.319 × 104 
A)  13189 
B)  13189.2 
C)  1.32 × 104 
D)  1.3 × 104 
E)  1.319 × 104

Question 6

A person weighs 72.6 kg.What is his weight in pounds?

Accepted Answer

A)  145 pounds 
B)  160 pounds 
C)  32.9 pounds 
D)  29.0 pounds 
E)  181 pounds 
A)  145 pounds 
B)  160 pounds 
C)  32.9 pounds 
D)  29.0 pounds 
E)  181 pounds

Question 7

Which of the following is the greatest mass?

Accepted Answer

A)  100,000 μg 
B)  1.000 × 10-2 kg 
C)  1.000 × 10-2 cg 
D)  1.000 × 10-6 Mg 
A)  100,000 μg 
B)  1.000 × 10-2 kg 
C)  1.000 × 10-2 cg 
D)  1.000 × 10-6 Mg

Question 8

Which of the following is an example of intensive properties?

Accepted Answer

A)  boiling point 
B)  height 
C)  volume 
D)  None of the above is an example of intensive properties. 
E)  All of the above are examples of intensive properties. 
A)  boiling point 
B)  height 
C)  volume 
D)  None of the above is an example of intensive properties. 
E)  All of the above are examples of intensive properties.

Question 9

Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.Calculate the approximate number of liters required for a person to walk 15 kilometers in Death Valley.

Accepted Answer

A)  4.4 L 
B)  18 L 
C)  46 L 
D)  70 L 
A)  4.4 L 
B)  18 L 
C)  46 L 
D)  70 L

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 × 12.0 ft and has a 10.0 ft ceiling? 1 in.= 2.54 cm (exactly); 1 L = 103 cm3

Accepted Answer

A)  3.99 
B)  0.166 
C)  4.45 × 104 
D)  0.1145 
E)  44.5 
A)  3.99 
B)  0.166 
C)  4.45 × 104 
D)  0.1145 
E)  44.5

Question 11

The diameter of an atom is approximately 1 × 10-10 m.What is the diameter in millimeters?

Accepted Answer

A)  1 × 10-16 mm 
B)  1 × 10-13 mm 
C)  1 × 10-7 mm 
D)  1 × 10-4 mm 
A)  1 × 10-16 mm 
B)  1 × 10-13 mm 
C)  1 × 10-7 mm 
D)  1 × 10-4 mm

Question 12

How many significant figures are in 4.930 × 104 m?

Accepted Answer

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

Question 13

Convert 3.3 μm to meters.

Accepted Answer

A)  3.3 × 10-9 m 
B)  3.3 × 10-6 m 
C)  3.3 × 10-3 m 
D)  3.3 × 106 m 
A)  3.3 × 10-9 m 
B)  3.3 × 10-6 m 
C)  3.3 × 10-3 m 
D)  3.3 × 106 m

Question 14

Which of the following is an example of a chemical change?

Accepted Answer

A)  dry ice sublimes 
B)  charcoal burning 
C)  ethanol evaporates 
D)  ice melting 
E)  All of the above are examples of chemical change. 
A)  dry ice sublimes 
B)  charcoal burning 
C)  ethanol evaporates 
D)  ice melting 
E)  All of the above are examples of chemical change.

Question 15

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 16

Define kinetic 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 
E)  energy associated with the position or composition 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 
E)  energy associated with the position or composition of an object

Question 17

Identify the longest length.

Accepted Answer

A)  3.10 ft 
B)  37.0 in 
C)  1.02 yd 
D)  1.00 m 
E)  91.44 cm 
A)  3.10 ft 
B)  37.0 in 
C)  1.02 yd 
D)  1.00 m 
E)  91.44 cm

Question 18

The mass of a proton is 1.67 × 10-27 kg.What is the mass of a proton in nanograms?

Accepted Answer

A)  1.67 × 10-21 ng 
B)  1.67 × 10-18 ng 
C)  1.67 × 10-15 ng 
D)  1.67 × 10-12 ng 
A)  1.67 × 10-21 ng 
B)  1.67 × 10-18 ng 
C)  1.67 × 10-15 ng 
D)  1.67 × 10-12 ng

Question 19

A substance that can't be chemically broken down into simpler substances is

Accepted Answer

A)  a homogeneous mixture. 
B)  an element. 
C)  a heterogeneous mixture. 
D)  a compound. 
E)  an electron. 
A)  a homogeneous mixture. 
B)  an element. 
C)  a heterogeneous mixture. 
D)  a compound. 
E)  an electron.

Question 20

What wavelength of light would you report in units of nm,if the light had a wavelength of 1.65 × 10-10 m?

Accepted Answer

A)  1.65 × 10-3 nm 
B)  1.65 × 10-19 nm 
C)  1.65 nm 
D)  0.165 nm 
E)  165 nm 
A)  1.65 × 10-3 nm 
B)  1.65 × 10-19 nm 
C)  1.65 nm 
D)  0.165 nm 
E)  165 nm

Exam 1: Matter, measurement, and Problem Solving

Systematic error is defined as

How many mL are in 4.08 L?

All of the following are SI base units of measurement,EXCEPT

Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when placed in a graduated cylinder.

What answer should be reported,with the correct number of significant figures,for the following calculation? (965.43 × 3.911)+ 9413.4136

A person weighs 72.6 kg.What is his weight in pounds?

Which of the following is the greatest mass?

Which of the following is an example of intensive properties?

Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.Calculate the approximate number of liters required for a person to walk 15 kilometers in Death Valley.

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 × 12.0 ft and has a 10.0 ft ceiling? 1 in.= 2.54 cm (exactly); 1 L = 103 cm3

The diameter of an atom is approximately 1 × 10-10 m.What is the diameter in millimeters?

How many significant figures are in 4.930 × 104 m?

Convert 3.3 μm to meters.

Which of the following is an example of a chemical change?

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

Define kinetic energy.

Identify the longest length.

The mass of a proton is 1.67 × 10-27 kg.What is the mass of a proton in nanograms?

A substance that can't be chemically broken down into simpler substances is

What wavelength of light would you report in units of nm,if the light had a wavelength of 1.65 × 10-10 m?

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

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,

Liquids,solids,and Intermolecular Forces

Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

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 × 12.0 ft and has a 10.0 ft ceiling? 1 in.= 2.54 cm (exactly); 1 L = 10³ cm³

The diameter of an atom is approximately 1 × 10^-10 m.What is the diameter in millimeters?

How many significant figures are in 4.930 × 10⁴ m?

The mass of a proton is 1.67 × 10^-27 kg.What is the mass of a proton in nanograms?

What wavelength of light would you report in units of nm,if the light had a wavelength of 1.65 × 10^-1⁰m?