Question 1

Which of these represents the SI prefix for mega (M)?

Accepted Answer

A) 109 
B) 106 
C) 103 
D) 10 − 2 
E) 10 − 6 
A) 109 
B) 106 
C) 103 
D) 10 − 2 
E) 10 − 6

Question 2

Determine the mass in grams of a gold sample which occupies a volume of 16.39 mL? Gold has a density of 19.3 g\mL.

Accepted Answer

A) 0.118 g 
B) 0.316 g 
C) 0.849 g 
D) 1.18 g 
E) 316 g 
A) 0.118 g 
B) 0.316 g 
C) 0.849 g 
D) 1.18 g 
E) 316 g

Question 3

If 15.0 mL of a metal has a mass of 103.0 g, what is the density of the metal?

Accepted Answer

A) 6.87 g\mL 
B) 1550 g\ mL 
C) 0.146 g\mL 
D) 1.46 g\mL 
E) None of these. 
A) 6.87 g\mL 
B) 1550 g\ mL 
C) 0.146 g\mL 
D) 1.46 g\mL 
E) None of these.

Question 4

Convert 10.5 mm\s to ft\hr.

Accepted Answer

A) 124 ft\hr 
B) 9.57 × 10 − 6 ft\hr 
C) .0344 ft\hr 
D) 37800 ft\hr 
E) None of these. 
A) 124 ft\hr 
B) 9.57 × 10 − 6 ft\hr 
C) .0344 ft\hr 
D) 37800 ft\hr 
E) None of these.

Question 5

Which of these series correctly orders the values given from smallest to largest?

Accepted Answer

A) III < II < II < IV 
B) II < I < IV < III 
C) II < I = IV < III 
D) I < IV = III < II 
E) I < III < IV < II 
A) III < II < II < IV 
B) II < I < IV < III 
C) II < I = IV < III 
D) I < IV = III < II 
E) I < III < IV < II

Question 6

Convert 4.5 inches to meters . (2.54 cm = 1 inch)

Accepted Answer

A) 0.1143 m 
B) 1.77 m 
C) 11.43 m 
D) 0.0177 m 
E) 1143 m 
A) 0.1143 m 
B) 1.77 m 
C) 11.43 m 
D) 0.0177 m 
E) 1143 m

Question 7

Solve the problem.
1.5 × 103 + 3.14 × 104 − 1.21 × 102 = ?

Accepted Answer

A) 3.28 × 104 
B) 3.30 × 103 
C) 3.3 × 10 − 4 
D) 3.30 × 105 
E) 3.43 × 109 
A) 3.28 × 104 
B) 3.30 × 103 
C) 3.3 × 10 − 4 
D) 3.30 × 105 
E) 3.43 × 109

Question 8

Which of these represents the SI prefix for centi (c)?

Accepted Answer

A) 10 − 6 
B) 10 − 3 
C) 10 − 1 
D) 10 − 2 
E) 106 
A) 10 − 6 
B) 10 − 3 
C) 10 − 1 
D) 10 − 2 
E) 106

Question 9

What is the mass in kilograms of a 25.00 pound dumbbell? (454 g = 1 pound)

Accepted Answer

A) 1.377 × 10 − 3 kg 
B) 1.377 kg 
C) 11.35 kg 
D) 1.377 × 103 kg 
E) 1.135 × 107 kg 
A) 1.377 × 10 − 3 kg 
B) 1.377 kg 
C) 11.35 kg 
D) 1.377 × 103 kg 
E) 1.135 × 107 kg

Question 10

Which of these is the correct normal notation for 7.77 × 107?

Accepted Answer

A) 0.000000777 
B) 0.0777 
C) 7,770 
D) 7,770,000 
E) 77,700,000 
A) 0.000000777 
B) 0.0777 
C) 7,770 
D) 7,770,000 
E) 77,700,000

Question 11

The diameter of the nucleus of an atom is approximately 1 × 10 − 13 meters. If 1 nm is equal to 10 Angstroms, what is the diameter of the nucleus in Angstroms? (1 nm = 1 x 10 − 9 meter)

Accepted Answer

A) 1 × 10 − 21 A 
B) 1 × 10 − 6 A 
C) 1 × 10 − 5 A 
D) 1 × 10 − 4 A 
E) 1 × 10 − 3 A 
A) 1 × 10 − 21 A 
B) 1 × 10 − 6 A 
C) 1 × 10 − 5 A 
D) 1 × 10 − 4 A 
E) 1 × 10 − 3 A

Question 12

Solve the following equation for z.
2(z + 6)− 10 = 42

Accepted Answer

A) 6 
B) 10 
C) 12 
D) 20 
E) 40 
A) 6 
B) 10 
C) 12 
D) 20 
E) 40

Question 13

Which of these represents the SI prefix for micro ( μ )?

Accepted Answer

A) 10 − 6 
B) 10 − 3 
C) 10 − 9 
D) 10 − 2 
E) 106 
A) 10 − 6 
B) 10 − 3 
C) 10 − 9 
D) 10 − 2 
E) 106

Which of these represents the SI prefix for mega (M)?

Determine the mass in grams of a gold sample which occupies a volume of 16.39 mL? Gold has a density of 19.3 g\mL.

If 15.0 mL of a metal has a mass of 103.0 g, what is the density of the metal?

Convert 10.5 mm\s to ft\hr.

Which of these series correctly orders the values given from smallest to largest?

Convert 4.5 inches to meters . (2.54 cm = 1 inch)

Solve the problem. 1.5 × 10³ + 3.14 × 10⁴ − 1.21 × 10² = ?

Which of these represents the SI prefix for centi (c)?

What is the mass in kilograms of a 25.00 pound dumbbell? (454 g = 1 pound)

Which of these is the correct normal notation for 7.77 × 10⁷?

The diameter of the nucleus of an atom is approximately 1 × 10^{− 13} meters. If 1 nm is equal to 10 Angstroms, what is the diameter of the nucleus in Angstroms? (1 nm = 1 x 10^{− 9} meter)

Solve the following equation for z. 2(z + 6)− 10 = 42

Which of these represents the SI prefix for micro ( μ )?

Molecular Reasons

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

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Exam 2: The Chemists Toolbox

Which of these represents the SI prefix for mega (M)?

Determine the mass in grams of a gold sample which occupies a volume of 16.39 mL? Gold has a density of 19.3 g\mL.

If 15.0 mL of a metal has a mass of 103.0 g, what is the density of the metal?

Convert 10.5 mm\s to ft\hr.

Which of these series correctly orders the values given from smallest to largest?

Convert 4.5 inches to meters . (2.54 cm = 1 inch)

Solve the problem. 1.5 × 103 + 3.14 × 104 − 1.21 × 102 = ?

Which of these represents the SI prefix for centi (c)?

What is the mass in kilograms of a 25.00 pound dumbbell? (454 g = 1 pound)

Which of these is the correct normal notation for 7.77 × 107?

The diameter of the nucleus of an atom is approximately 1 × 10 − 13 meters. If 1 nm is equal to 10 Angstroms, what is the diameter of the nucleus in Angstroms? (1 nm = 1 x 10 − 9 meter)

Solve the following equation for z. 2(z + 6)− 10 = 42

Which of these represents the SI prefix for micro ( μ )?

Molecular Reasons

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Solve the problem. 1.5 × 10³ + 3.14 × 10⁴ − 1.21 × 10² = ?

Which of these is the correct normal notation for 7.77 × 10⁷?

The diameter of the nucleus of an atom is approximately 1 × 10^{− 13} meters. If 1 nm is equal to 10 Angstroms, what is the diameter of the nucleus in Angstroms? (1 nm = 1 x 10^{− 9} meter)