Question 1

Carrots are $0.79 per pound. What is the cost of 1.20 kg of carrots?

Accepted Answer

A)  $2.10 
B)  $0.43 
C)  $1.45 
D)  $0.79 
E)  $0.95 
A)  $2.10 
B)  $0.43 
C)  $1.45 
D)  $0.79 
E)  $0.95

Question 2

5.21 cm is the same distance as

Accepted Answer

A)  0.0521 m. 
B)  52.1 dm. 
C)  5.21 mm. 
D)  0.00521 km. 
E)  5210 m. 
A)  0.0521 m. 
B)  52.1 dm. 
C)  5.21 mm. 
D)  0.00521 km. 
E)  5210 m.

Question 3

A researcher needed three samples of sodium chloride solution, each with a volume of 0.03510 mL. The total volume needed should be reported as

Accepted Answer

A)  0.105 mL. 
B)  0.0105 mL. 
C)  0.10 mL. 
D)  0.1053 mL. 
E)  0.1100 mL. 
A)  0.105 mL. 
B)  0.0105 mL. 
C)  0.10 mL. 
D)  0.1053 mL. 
E)  0.1100 mL.

Question 4

Which of the following setups would convert centimeters to feet?

Accepted Answer

A)  cm × $\frac { 2.54 \mathrm { in } } { 1 \mathrm {~cm} }$ × $\frac { 1 \mathrm { ft } } { 12 \mathrm { in } . }$ . 
B)  cm × $\frac { 2.54 \mathrm {~cm} } { 1 \mathrm { in } }$ × $\frac { 12 \mathrm { in } } { 1 \mathrm { ft } }$. 
C)  cm × $\frac { 1 \mathrm { in } . } { 2.54 \mathrm {~cm} }$ × $\frac { 1 \mathrm { ft } } { 12 \mathrm { in } . }$. 
D)  cm × $\frac { 1 \mathrm { in } . } { 2.54 \mathrm {~cm} }$ × $\frac { 12 \mathrm { in } } { 1 \mathrm { ft } }$. 
E)  cm × $\frac { 2.54 \mathrm { in } } { 1 \mathrm {~cm} }$ × $\frac { 1 \mathrm { ft } } { 12 \mathrm { in } . }$ 
A)  cm × $\frac { 2.54 \mathrm { in } } { 1 \mathrm {~cm} }$ × $\frac { 1 \mathrm { ft } } { 12 \mathrm { in } . }$ . 
B)  cm × $\frac { 2.54 \mathrm {~cm} } { 1 \mathrm { in } }$ × $\frac { 12 \mathrm { in } } { 1 \mathrm { ft } }$. 
C)  cm × $\frac { 1 \mathrm { in } . } { 2.54 \mathrm {~cm} }$ × $\frac { 1 \mathrm { ft } } { 12 \mathrm { in } . }$. 
D)  cm × $\frac { 1 \mathrm { in } . } { 2.54 \mathrm {~cm} }$ × $\frac { 12 \mathrm { in } } { 1 \mathrm { ft } }$. 
E)  cm × $\frac { 2.54 \mathrm { in } } { 1 \mathrm {~cm} }$ × $\frac { 1 \mathrm { ft } } { 12 \mathrm { in } . }$

Question 5

The number 680 000 000 expressed correctly using scientific notation is

Accepted Answer

A)  6.8 10-7. 
B)  0.68 × 106. 
C)  6.8 × 108. 
D)  68 × 107. 
E)  680 × 106. 
A)  6.8 10-7. 
B)  0.68 × 106. 
C)  6.8 × 108. 
D)  68 × 107. 
E)  680 × 106.

Question 6

What is the answer, with the correct number of significant figures, for this problem? 
4.392 g + 102.40 g + 2.51 g =

Accepted Answer

A)  109.302 g 
B)  109 g 
C)  109.3 g 
D)  109.30 g 
E)  110 g 
A)  109.302 g 
B)  109 g 
C)  109.3 g 
D)  109.30 g 
E)  110 g

Question 7

In which of the following is the metric unit paired with its correct abbreviation?

Accepted Answer

A)  microgram / mg 
B)  milliliter / mL 
C)  centimeter / km 
D)  kilogram / cg 
E)  gram / gm 
A)  microgram / mg 
B)  milliliter / mL 
C)  centimeter / km 
D)  kilogram / cg 
E)  gram / gm

Question 8

How many kilograms are in 30.4 lb?

Accepted Answer

A)  13.8 kg 
B)  14 kg 
C)  67 kg 
D)  66.88 kg 
E)  66.9 kg 
A)  13.8 kg 
B)  14 kg 
C)  67 kg 
D)  66.88 kg 
E)  66.9 kg

Question 9

Which of the following is a measurement of mass in the metric system?

Accepted Answer

A)  milliliter 
B)  centimeter 
C)  kilogram 
D)  Celsius 
E)  meter 
A)  milliliter 
B)  centimeter 
C)  kilogram 
D)  Celsius 
E)  meter

Question 10

The branch of chemistry that is the study of the composition, properties, and reactions of matter is called

Accepted Answer

A)  organic chemistry 
B)  geochemistry 
C)  physical chemistry 
D)  biological chemistry 
E)  general chemistry 
A)  organic chemistry 
B)  geochemistry 
C)  physical chemistry 
D)  biological chemistry 
E)  general chemistry

Question 11

Which of the following numbers is the largest?

Accepted Answer

A)  2.05 ×103 
B)  2.05 × 10-12 
C)  2.05 × 105 
D)  2.05 × 108 
E)  2.05 
A)  2.05 ×103 
B)  2.05 × 10-12 
C)  2.05 × 105 
D)  2.05 × 108 
E)  2.05

Question 12

The metric base unit for length is the

Accepted Answer

A)  meter 
B)  inch 
C)  millimeter 
D)  kilometer 
E)  foot 
A)  meter 
B)  inch 
C)  millimeter 
D)  kilometer 
E)  foot

Question 13

A conversion factor set up correctly to convert 15 inches to centimeters is

Accepted Answer

A)  100 cm/1 m. 
B)  1 inch/2.54 cm. 
C)  1 cm/10 mm. 
D)  2.54 cm/1 inch. 
E)  10 cm/1 inch. 
A)  100 cm/1 m. 
B)  1 inch/2.54 cm. 
C)  1 cm/10 mm. 
D)  2.54 cm/1 inch. 
E)  10 cm/1 inch.

Question 14

What is the metric relationship between grams and micrograms?

Accepted Answer

A)  1 g = 100 μg 
B)  1 g = 1 000 000 μg 
C)  1 g = 0.000 001 μg 
D)  1 g = 1000 μg 
E)  1 g = 0.001 μg 
A)  1 g = 100 μg 
B)  1 g = 1 000 000 μg 
C)  1 g = 0.000 001 μg 
D)  1 g = 1000 μg 
E)  1 g = 0.001 μg

Question 15

Which of the following numbers is the smallest?

Accepted Answer

A)  4.0 × 10-6 
B)  4.0 × 10-8 
C)  4.0 × 10-2 
D)  4.0 × 1015 
E)  4.0 × 10-12 
A)  4.0 × 10-6 
B)  4.0 × 10-8 
C)  4.0 × 10-2 
D)  4.0 × 1015 
E)  4.0 × 10-12

Question 16

The branch of chemistry that is the study of compounds containing carbon is called

Accepted Answer

A)  organic chemistry 
B)  geochemistry 
C)  physical chemistry 
D)  biochemistry 
E)  general chemistry 
A)  organic chemistry 
B)  geochemistry 
C)  physical chemistry 
D)  biochemistry 
E)  general chemistry

Question 17

What is 6.5 m converted to inches?

Accepted Answer

A)  1700 in 
B)  1651 in 
C)  39 in 
D)  260 in 
E)  255.9 in 
A)  1700 in 
B)  1651 in 
C)  39 in 
D)  260 in 
E)  255.9 in

Question 18

The measurement 0.000 0043 m, expressed correctly using scientific notation, is

Accepted Answer

A)  4.3 × 10-7 m. 
B)  4.3 × 10-6 m. 
C)  4.3 × 106 m. 
D)  0.43 × 10-5 m. 
E)  4.3 m. 
A)  4.3 × 10-7 m. 
B)  4.3 × 10-6 m. 
C)  4.3 × 106 m. 
D)  0.43 × 10-5 m. 
E)  4.3 m.

Question 19

The measurement of the gravitational pull on an object is its

Accepted Answer

A)  volume. 
B)  weight. 
C)  mass. 
D)  length. 
E)  size. 
A)  volume. 
B)  weight. 
C)  mass. 
D)  length. 
E)  size.

Question 20

Which of the following is the largest unit?

Accepted Answer

A)  millimeter 
B)  micrometer 
C)  meter 
D)  decimeter 
E)  kilometer 
A)  millimeter 
B)  micrometer 
C)  meter 
D)  decimeter 
E)  kilometer

Exam 1: Chemistry and Measurements

Carrots are $0.79 per pound. What is the cost of 1.20 kg of carrots?

5.21 cm is the same distance as

A researcher needed three samples of sodium chloride solution, each with a volume of 0.03510 mL. The total volume needed should be reported as

Which of the following setups would convert centimeters to feet?

The number 680 000 000 expressed correctly using scientific notation is

What is the answer, with the correct number of significant figures, for this problem? 4.392 g + 102.40 g + 2.51 g =

In which of the following is the metric unit paired with its correct abbreviation?

How many kilograms are in 30.4 lb?

Which of the following is a measurement of mass in the metric system?

The branch of chemistry that is the study of the composition, properties, and reactions of matter is called

Which of the following numbers is the largest?

The metric base unit for length is the

A conversion factor set up correctly to convert 15 inches to centimeters is

What is the metric relationship between grams and micrograms?

Which of the following numbers is the smallest?

The branch of chemistry that is the study of compounds containing carbon is called

What is 6.5 m converted to inches?

The measurement 0.000 0043 m, expressed correctly using scientific notation, is

The measurement of the gravitational pull on an object is its

Which of the following is the largest unit?

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Compounds and Their Bonds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

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