Question 1

What is the name of the instrument used to measure specific gravity?

Accepted Answer

A)  densitometer 
B)  gravimeter 
C)  hydrometer 
D)  spectrometer 
A)  densitometer 
B)  gravimeter 
C)  hydrometer 
D)  spectrometer

Question 2

Which of the following statements is true about a swinging pendulum?

Accepted Answer

A)  Its kinetic energy is greatest when it is at the extreme (the highest point) of its swing. 
B)  Its potential energy is greatest when it is at the extreme (the highest point) of its swing. 
C)  Its kinetic energy does not change as it swings. 
D)  Its potential energy does not change as it swings. 
A)  Its kinetic energy is greatest when it is at the extreme (the highest point) of its swing. 
B)  Its potential energy is greatest when it is at the extreme (the highest point) of its swing. 
C)  Its kinetic energy does not change as it swings. 
D)  Its potential energy does not change as it swings.

Question 3

Dry ice is called dry ice because it passes directly from the solid state to the gaseous state (sublimes) under normal atmospheric conditions. Which of the following occurs during this transformation?

Accepted Answer

A)  The chemical composition of dry ice changes. 
B)  The volume of the sample decreases. 
C)  The volume of the sample remains the same. 
D)  The volume of the sample increases. 
A)  The chemical composition of dry ice changes. 
B)  The volume of the sample decreases. 
C)  The volume of the sample remains the same. 
D)  The volume of the sample increases.

Question 4

Which of the following is the correct order of masses?

Accepted Answer

A)  cg < mg < Mg <μg 
B)  cg < Mg < μg < mg 
C)  μg < mg < cg < Mg 
D)  μg < Mg < cg < mg 
A)  cg < mg < Mg <μg 
B)  cg < Mg < μg < mg 
C)  μg < mg < cg < Mg 
D)  μg < Mg < cg < mg

Question 5

Which of the following is the smallest number?

Accepted Answer

A)  8 × 10-3 
B)  6 × 10-4 
C)  7 × 10-5 
D)  9 × 10-6 
A)  8 × 10-3 
B)  6 × 10-4 
C)  7 × 10-5 
D)  9 × 10-6

Question 6

Which of the following is not a physical property of copper?

Accepted Answer

A)  characteristic color 
B)  density 
C)  electrical conductivity 
D)  tarnishing of copper 
A)  characteristic color 
B)  density 
C)  electrical conductivity 
D)  tarnishing of copper

Question 7

Which state of matter is highly compressible?

Accepted Answer

A)  solid 
B)  liquid 
C)  gas 
D)  none of them 
A)  solid 
B)  liquid 
C)  gas 
D)  none of them

Question 8

Given the calculation: 10.44 - 6.778 - 2.1 = ?, what is the answer reported to the correct number of significant figures?

Accepted Answer

A)  1.55 
B)  1.5 
C)  1.56 
D)  1.6 
A)  1.55 
B)  1.5 
C)  1.56 
D)  1.6

Question 9

The boiling point of liquid oxygen is 90.2 K. What is this temperature on the Celsius scale?

Accepted Answer

A)  363.2°C 
B)  171°C 
C)  25°C 
D)  -182.8°C 
A)  363.2°C 
B)  171°C 
C)  25°C 
D)  -182.8°C

Question 10

The population of the Earth at the end of 2018 was approximately 7.7 × 109 people. Which of the following is the correct way of representing this number?

Accepted Answer

A)  7,700,000,000 people 
B)  77,000,000,000 people 
C)  77,000,000,000,000 people 
D)  none of these 
A)  7,700,000,000 people 
B)  77,000,000,000 people 
C)  77,000,000,000,000 people 
D)  none of these

Question 11

Which of the following objects has the largest kinetic energy?

Accepted Answer

A)  a 1.00-gram object moving at 1.0 cm/sec 
B)  a 0.25-gram object moving at 2.0 cm/sec 
C)  a 16.00-gram object moving at 0.25 cm/sec 
D)  They all have the same kinetic energy. 
A)  a 1.00-gram object moving at 1.0 cm/sec 
B)  a 0.25-gram object moving at 2.0 cm/sec 
C)  a 16.00-gram object moving at 0.25 cm/sec 
D)  They all have the same kinetic energy.

Question 12

Which of the following is a form of potential energy?

Accepted Answer

A)  chemical energy 
B)  nuclear energy 
C)  both chemical energy and nuclear energy 
D)  neither chemical energy nor nuclear energy 
A)  chemical energy 
B)  nuclear energy 
C)  both chemical energy and nuclear energy 
D)  neither chemical energy nor nuclear energy

Question 13

How many nanoliters (nL) are there in 1 liter (L)?

Accepted Answer

A)  1 × 10-12 
B)  1 × 10-9 
C)  1 × 109 
D)  1 × 1012 
A)  1 × 10-12 
B)  1 × 10-9 
C)  1 × 109 
D)  1 × 1012

Question 14

What Celsius temperature is the same as 86.0°F?

Accepted Answer

A)  30.0°C 
B)  186.8°C 
C)  76.6°C 
D)  none of these 
A)  30.0°C 
B)  186.8°C 
C)  76.6°C 
D)  none of these

Question 15

Which of these is not an example of matter?

Accepted Answer

A)  the feathers of a bird 
B)  the light from a torch 
C)  a muslin cloth 
D)  a microscopic lens 
A)  the feathers of a bird 
B)  the light from a torch 
C)  a muslin cloth 
D)  a microscopic lens

Question 16

How many micrograms (μg) are there in 1 kilogram (kg)?

Accepted Answer

A)  1 × 10-9 
B)  1 × 10-6 
C)  1 × 106 
D)  1 × 109 
A)  1 × 10-9 
B)  1 × 10-6 
C)  1 × 106 
D)  1 × 109

Question 17

Which of the following represents a physical change?

Accepted Answer

A)  stretching of a silver wire 
B)  tarnishing of silver 
C)  both stretching of a silver wire and tarnishing of silver 
D)  neither stretching of a silver wire and tarnishing of silver 
A)  stretching of a silver wire 
B)  tarnishing of silver 
C)  both stretching of a silver wire and tarnishing of silver 
D)  neither stretching of a silver wire and tarnishing of silver

Question 18

The boiling point of liquid bromine is 132.44°F. What is this temperature on the Celsius scale?

Accepted Answer

A)  55.8°C 
B)  65.2°C 
C)  60°C 
D)  -34°C 
A)  55.8°C 
B)  65.2°C 
C)  60°C 
D)  -34°C

Question 19

Iron has a density of 7.874 g/cm3. What is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000 cm by 5.000 cm?

Accepted Answer

A)  7.629 g 
B)  60.00 g 
C)  94.48 g 
D)  472.4 g 
A)  7.629 g 
B)  60.00 g 
C)  94.48 g 
D)  472.4 g

Question 20

Given the calculation: (12.02 × 1023)/22.00 = ?, what is the answer reported to the correct number of significant figures?

Accepted Answer

A)  5.56 × 10-23 
B)  5.55 × 10-23 
C)  5.5 × 1022 
D)  5.464 × 1022 
A)  5.56 × 10-23 
B)  5.55 × 10-23 
C)  5.5 × 1022 
D)  5.464 × 1022

Exam 1: Matter, Energy, and Measurement

What is the name of the instrument used to measure specific gravity?

Which of the following statements is true about a swinging pendulum?

Dry ice is called dry ice because it passes directly from the solid state to the gaseous state (sublimes) under normal atmospheric conditions. Which of the following occurs during this transformation?

Which of the following is the correct order of masses?

Which of the following is the smallest number?

Which of the following is not a physical property of copper?

Which state of matter is highly compressible?

Given the calculation: 10.44 - 6.778 - 2.1 = ?, what is the answer reported to the correct number of significant figures?

The boiling point of liquid oxygen is 90.2 K. What is this temperature on the Celsius scale?

The population of the Earth at the end of 2018 was approximately 7.7 × 109 people. Which of the following is the correct way of representing this number?

Which of the following objects has the largest kinetic energy?

Which of the following is a form of potential energy?

How many nanoliters (nL) are there in 1 liter (L)?

What Celsius temperature is the same as 86.0°F?

Which of these is not an example of matter?

How many micrograms (μg) are there in 1 kilogram (kg)?

Which of the following represents a physical change?

The boiling point of liquid bromine is 132.44°F. What is this temperature on the Celsius scale?

Iron has a density of 7.874 g/cm3. What is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000 cm by 5.000 cm?

Given the calculation: (12.02 × 1023)/22.00 = ?, what is the answer reported to the correct number of significant figures?

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

The population of the Earth at the end of 2018 was approximately 7.7 × 10⁹ people. Which of the following is the correct way of representing this number?

Iron has a density of 7.874 g/cm³. What is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000 cm by 5.000 cm?

Given the calculation: (12.02 × 10²³)/22.00 = ?, what is the answer reported to the correct number of significant figures?