Question 1

Kelvin is a measure of

Accepted Answer

A) mass. 
B) time. 
C) temperature. 
D) length. 
E) volume. 
A) mass. 
B) time. 
C) temperature. 
D) length. 
E) volume.

Question 2

If a solution has a temperature of 355 K, what is its temperature in degrees Celsius?

Accepted Answer

A) 165 °C 
B) 628 °C 
C) 179 °C 
D) 279 °C 
E) 82 °C 
A) 165 °C 
B) 628 °C 
C) 179 °C 
D) 279 °C 
E) 82 °C

Question 3

Match the following.

-nano

Accepted Answer

A) 10-6 
B) 10-9 
C) 10-1 
D) 10-3 
E) 103
F)10-2
G)106 
A) 10-6 
B) 10-9 
C) 10-1 
D) 10-3 
E) 103
F)10-2
G)106

Question 4

Match the following.

-micro

Accepted Answer

A) 10-6 
B) 10-9 
C) 10-1 
D) 10-3 
E) 103
F)10-2
G)106 
A) 10-6 
B) 10-9 
C) 10-1 
D) 10-3 
E) 103
F)10-2
G)106

Question 5

What wavelength of light would you report in units of nm if the light had a wavelength of 7.60 × 10-10 m?

Accepted Answer

A) 7.60 × 10-3 nm 
B) 7.60 × 10-19 nm 
C) 1.32 nm 
D) 0.760 nm 
E) 760 nm 
A) 7.60 × 10-3 nm 
B) 7.60 × 10-19 nm 
C) 1.32 nm 
D) 0.760 nm 
E) 760 nm

Question 6

What happens to the density of a sample of iron metal as it is heated from room temperature to 100 °C? (This is below the melting point of iron.)

Accepted Answer

Since the mass of the iron sta

Question 7

A sample of liquid isopropyl alcohol is placed in a sealed container. Some of the volatile isopropyl alcohol vaporizes. Does the mass of the sealed container and its contents change during the vaporization? Explain.

Accepted Answer

No. The vaporized isopropyl alcohol is j

Question 8

Convert 8.3 mg to μg.

Accepted Answer

A) 0.0083 μg 
B) 83 μg 
C) 830 μg 
D) 8300 μg 
E) 83000 μg 
A) 0.0083 μg 
B) 83 μg 
C) 830 μg 
D) 8300 μg 
E) 83000 μg

Question 9

If the outside temperature is 35 °C, what is the temperature in K?

Accepted Answer

A) -238 K 
B) 308 K 
C) 95 K 
D) 31 K 
E) 63 K 
A) -238 K 
B) 308 K 
C) 95 K 
D) 31 K 
E) 63 K

Question 10

Define the law of the conservation of energy.

Accepted Answer

Energy is neither cr

Question 11

Which of the following is an SI base unit?

Accepted Answer

A) volt 
B) gram 
C) hour 
D) kelvin 
E) dozen 
A) volt 
B) gram 
C) hour 
D) kelvin 
E) dozen

Question 12

Systematic error is defined as

Accepted Answer

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

Question 13

Define matter.

Accepted Answer

Matter is anything t

Question 14

What answer should be reported, with the correct number of significant figures, for the following calculation? 
100.0 g × 4.18 J g-1 °C-1 × (26.4 °C - 25.5 °C)

Accepted Answer

A) 3 × 102 J 
B) 3.8 × 102 J 
C) 376 J 
D) 376.2 J 
E) 376.20 J 
A) 3 × 102 J 
B) 3.8 × 102 J 
C) 376 J 
D) 376.2 J 
E) 376.20 J

Question 15

If I wish to travel 88 mph (miles per hour)in a DeLorean. How fast would I be travelling in m s-1? (1 km = 0.6214 miles)

Accepted Answer

A) 39 m s-1 
B) 142 m s-1 
C) 129 m s-1 
D) 76 m s-1 
E) 44 m s-1 
A) 39 m s-1 
B) 142 m s-1 
C) 129 m s-1 
D) 76 m s-1 
E) 44 m s-1

Question 16

Match the following.

-centi

Accepted Answer

A) 10-6 
B) 10-9 
C) 10-1 
D) 10-3 
E) 103
F)10-2
G)106 
A) 10-6 
B) 10-9 
C) 10-1 
D) 10-3 
E) 103
F)10-2
G)106

Question 17

Read the temperature with the correct number of significant figures.

Accepted Answer

A) 87 °C 
B) 87.2 °C 
C) 87.20 °C 
D) 87.200 °C 
E) 87.2000 °C 
A) 87 °C 
B) 87.2 °C 
C) 87.20 °C 
D) 87.200 °C 
E) 87.2000 °C

Question 18

Without using a calculator, solve the following problem:

Accepted Answer

A) 1 × 106 
B) 1 × 100 
C) 1 × 10-12 
D) 1 × 10-18 
A) 1 × 106 
B) 1 × 100 
C) 1 × 10-12 
D) 1 × 10-18

Question 19

What answer should be reported, with the correct number of significant figures, for the following calculation? 
3.000 × 105 + 614283

Accepted Answer

A) 914283 
B) 9.1428 × 105 
C) 914300 
D) 9.14283 × 105 
E) 914000 
A) 914283 
B) 9.1428 × 105 
C) 914300 
D) 9.14283 × 105 
E) 914000

Question 20

If a car gets 43.0 miles per gallon (mpg)fuel efficiency, calculate the fuel efficiency in litres per 100 km. (1 US gal = 3.78541 L; 1 mile = 1609.34 m)

Accepted Answer

A) 5.47 L (100 km)-1 
B) 8.17 L (100 km)-1 
C) 3.19 L (100 km)-1 
D) 9.40 L (100 km)-1 
E) 4.43 L (100 km)-1 
A) 5.47 L (100 km)-1 
B) 8.17 L (100 km)-1 
C) 3.19 L (100 km)-1 
D) 9.40 L (100 km)-1 
E) 4.43 L (100 km)-1

Exam 1: Units of Measurement for Physical and Chemical Change

Kelvin is a measure of

If a solution has a temperature of 355 K, what is its temperature in degrees Celsius?

Match the following. -nano

Match the following. -micro

What wavelength of light would you report in units of nm if the light had a wavelength of 7.60 × 10-10 m?

What happens to the density of a sample of iron metal as it is heated from room temperature to 100 °C? (This is below the melting point of iron.)

A sample of liquid isopropyl alcohol is placed in a sealed container. Some of the volatile isopropyl alcohol vaporizes. Does the mass of the sealed container and its contents change during the vaporization? Explain.

Convert 8.3 mg to μg.

If the outside temperature is 35 °C, what is the temperature in K?

Define the law of the conservation of energy.

Which of the following is an SI base unit?

Systematic error is defined as

Define matter.

What answer should be reported, with the correct number of significant figures, for the following calculation? 100.0 g × 4.18 J g-1 °C-1 × (26.4 °C - 25.5 °C)

If I wish to travel 88 mph (miles per hour)in a DeLorean. How fast would I be travelling in m s-1? (1 km = 0.6214 miles)

Match the following. -centi

Read the temperature with the correct number of significant figures.

Without using a calculator, solve the following problem:

What answer should be reported, with the correct number of significant figures, for the following calculation? 3.000 × 105 + 614283

If a car gets 43.0 miles per gallon (mpg)fuel efficiency, calculate the fuel efficiency in litres per 100 km. (1 US gal = 3.78541 L; 1 mile = 1609.34 m)

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

What wavelength of light would you report in units of nm if the light had a wavelength of 7.60 × 10^-10 m?

What answer should be reported, with the correct number of significant figures, for the following calculation? 100.0 g × 4.18 J g^-1°C^-1 × (26.4 °C - 25.5 °C)

If I wish to travel 88 mph (miles per hour)in a DeLorean. How fast would I be travelling in m s^-1? (1 km = 0.6214 miles)

What answer should be reported, with the correct number of significant figures, for the following calculation? 3.000 × 10⁵ + 614283