Question 1

A 100-mL beaker is a common piece of laboratory glassware. What is this volume in the English system of units? [1 quart = 0.946; 1 liter = 32 fl oz]

Accepted Answer

A)  0.13 fl oz 
B)  33.8 qt 
C)  3.38 fl oz 
D)  1.3 qt 
A)  0.13 fl oz 
B)  33.8 qt 
C)  3.38 fl oz 
D)  1.3 qt

Question 2

How many liters (L) are there in 1 nanoliter (nL)?

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 3

Which of the following is a chemical property of gold?

Accepted Answer

A)  characteristic color 
B)  electrical conductivity 
C)  lack of reactivity 
D)  None; they are all physical properties. 
A)  characteristic color 
B)  electrical conductivity 
C)  lack of reactivity 
D)  None; they are all physical properties.

Question 4

Which of the following is not a chemical change?

Accepted Answer

A)  rusting of an iron statue 
B)  burning of paper 
C)  curdling of milk 
D)  evaporation of river water 
A)  rusting of an iron statue 
B)  burning of paper 
C)  curdling of milk 
D)  evaporation of river water

Question 5

If one were to measure the distance from the photographer taking this picture to the ocean shown in the background, which of the following units would be the most appropriate?

Accepted Answer

A)  mm 
B)  km 
C)  cm 
D)  nm 
A)  mm 
B)  km 
C)  cm 
D)  nm

Question 6

Given the calculation: 4.238 × 9.1 = ? What is the answer reported to the correct number of significant figures?

Accepted Answer

A)  38.5658 
B)  38.57 
C)  38.6 
D)  39 
A)  38.5658 
B)  38.57 
C)  38.6 
D)  39

Question 7

Which of the following is not a part of the scientific method?

Accepted Answer

A)  testing a theory 
B)  validating a hypothesis 
C)  writing a pop-science book 
D)  formulating a theory 
A)  testing a theory 
B)  validating a hypothesis 
C)  writing a pop-science book 
D)  formulating a theory

Question 8

Which of the following best describes a scientific theory?

Accepted Answer

A)  It is just one of many ways of looking at things. 
B)  It is a point of view that cannot be challenged. 
C)  It is a widely accepted explanation of some phenomenon supported by a large amount of experimental data and is therefore definitely correct. 
D)  It is a widely accepted explanation of some phenomenon supported by a large amount of experimental data, but it can be shown to be incorrect by a single experiment that yields results that contradict it. 
A)  It is just one of many ways of looking at things. 
B)  It is a point of view that cannot be challenged. 
C)  It is a widely accepted explanation of some phenomenon supported by a large amount of experimental data and is therefore definitely correct. 
D)  It is a widely accepted explanation of some phenomenon supported by a large amount of experimental data, but it can be shown to be incorrect by a single experiment that yields results that contradict it.

Question 9

How many centigrams (cg) are there in 1 microgram (μg)?

Accepted Answer

A)  1 × 10-6 
B)  1 × 10-4 
C)  1 × 104 
D)  1 × 10-2 
A)  1 × 10-6 
B)  1 × 10-4 
C)  1 × 104 
D)  1 × 10-2

Question 10

Which of the following is the largest number?

Accepted Answer

A)  3 × 10-2 
B)  5 × 10 4 
C)  3 × 10 3 
D)  3.5 × 10-6 
A)  3 × 10-2 
B)  5 × 10 4 
C)  3 × 10 3 
D)  3.5 × 10-6

Question 11

What temperature on the Kelvin scale is the same as normal body temperature 98.6°F?

Accepted Answer

A)  371.6 K 
B)  310.0 K 
C)  119.9 K 
D)  137.0 K 
A)  371.6 K 
B)  310.0 K 
C)  119.9 K 
D)  137.0 K

Question 12

A particular material has a specific gravity of 1.04 at 20°C. As this material is heated from 20°C to 30°C, its volume increases faster than does the volume of water. Which of the following statements is true of the specific gravity of this material as it is heated to 30°C?

Accepted Answer

A)  Its specific gravity decreases. 
B)  Its specific gravity increases. 
C)  Its specific gravity remains the same. 
D)  There is insufficient information to answer the question. 
A)  Its specific gravity decreases. 
B)  Its specific gravity increases. 
C)  Its specific gravity remains the same. 
D)  There is insufficient information to answer the question.

Question 13

How many minutes are there in a 24-hour day? (Assume exactly 24 hours in a day.)

Accepted Answer

A)  60 
B)  1.44 × 103 
C)  3.60 × 103 
D)  8.64 × 104 
A)  60 
B)  1.44 × 103 
C)  3.60 × 103 
D)  8.64 × 104

Question 14

Which of the following is the formula used to calculate the kinetic energy of a moving object?

Accepted Answer

A)  KE. = ½mv 
B)  KE. = ½mv2 
C)  KE = mv 
D)  KE = mv2 
A)  KE. = ½mv 
B)  KE. = ½mv2 
C)  KE = mv 
D)  KE = mv2

Question 15

At the 2008 Olympics, the Jamaican runner Usain Bolt ran the 200-meter dash in world record time of 19.30 seconds. What is this speed in miles per hour? [1 mile = 1.609 km]

Accepted Answer

A)  43.1 mph 
B)  23.2 mph 
C)  4.31 mph 
D)  2.32 mph 
A)  43.1 mph 
B)  23.2 mph 
C)  4.31 mph 
D)  2.32 mph

Question 16

Which of these is not a chemical change?

Accepted Answer

A)  the cutting of plywood 
B)  the digestion of food 
C)  the baking of a chocolate cake 
D)  the explosion of fireworks 
A)  the cutting of plywood 
B)  the digestion of food 
C)  the baking of a chocolate cake 
D)  the explosion of fireworks

Question 17

If gasoline costs $3.79 per gallon, what is its cost per liter? [1 quart = 0.946 liter]

Accepted Answer

A)  1.00 ȼ 
B)  100 ȼ 
C)  379 ȼ 
D)  739 ȼ 
A)  1.00 ȼ 
B)  100 ȼ 
C)  379 ȼ 
D)  739 ȼ

Question 18

How many micrograms (μg) are there in 1 centigram (μg)?

Accepted Answer

A)  1 × 10-6 
B)  1 × 10-4 
C)  1 × 104 
D)  1 × 10-2 
A)  1 × 10-6 
B)  1 × 10-4 
C)  1 × 104 
D)  1 × 10-2

Question 19

The dimensions of a room are typically given in feet, but carpeting is sold by the square yard. How many square yards of carpet are required to cover the floor of a room that is 9 feet by 9 feet?

Accepted Answer

A)  81 square yards 
B)  18 square yards 
C)  9 square yards 
D)  810 square yards 
A)  81 square yards 
B)  18 square yards 
C)  9 square yards 
D)  810 square yards

Question 20

How many yards make a kilometer? [1 inch = 2.54 cm]

Accepted Answer

A)  994 yards 
B)  1,094 yards 
C)  1,294 yards 
D)  1,394 yards 
A)  994 yards 
B)  1,094 yards 
C)  1,294 yards 
D)  1,394 yards

Exam 1: Matter, Energy, and Measurement

A 100-mL beaker is a common piece of laboratory glassware. What is this volume in the English system of units? [1 quart = 0.946; 1 liter = 32 fl oz]

How many liters (L) are there in 1 nanoliter (nL)?

Which of the following is a chemical property of gold?

Which of the following is not a chemical change?

If one were to measure the distance from the photographer taking this picture to the ocean shown in the background, which of the following units would be the most appropriate?

Given the calculation: 4.238 × 9.1 = ? What is the answer reported to the correct number of significant figures?

Which of the following is not a part of the scientific method?

Which of the following best describes a scientific theory?

How many centigrams (cg) are there in 1 microgram (μg)?

Which of the following is the largest number?

What temperature on the Kelvin scale is the same as normal body temperature 98.6°F?

A particular material has a specific gravity of 1.04 at 20°C. As this material is heated from 20°C to 30°C, its volume increases faster than does the volume of water. Which of the following statements is true of the specific gravity of this material as it is heated to 30°C?

How many minutes are there in a 24-hour day? (Assume exactly 24 hours in a day.)

Which of the following is the formula used to calculate the kinetic energy of a moving object?

At the 2008 Olympics, the Jamaican runner Usain Bolt ran the 200-meter dash in world record time of 19.30 seconds. What is this speed in miles per hour? [1 mile = 1.609 km]

Which of these is not a chemical change?

If gasoline costs $3.79 per gallon, what is its cost per liter? [1 quart = 0.946 liter]

How many micrograms (μg) are there in 1 centigram (μg)?

The dimensions of a room are typically given in feet, but carpeting is sold by the square yard. How many square yards of carpet are required to cover the floor of a room that is 9 feet by 9 feet?

How many yards make a kilometer? [1 inch = 2.54 cm]

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