Question 1

Perform the following conversion: 5.39 m/s = __________ km/h

Accepted Answer

A)  19.4 km/h 
B)  0.323 km/h 
C)  1.50 km/h 
D)  668 km/h 
E)  186 km/h 
A)  19.4 km/h 
B)  0.323 km/h 
C)  1.50 km/h 
D)  668 km/h 
E)  186 km/h

Question 2

The number of milligrams in 6.6 kg is

Accepted Answer

A)    mg 
B)    mg 
C)    mg 
D)    mg 
E)    mg 
A)    mg 
B)    mg 
C)    mg 
D)    mg 
E)    mg

Question 3

Convert 9.60 kg to pounds (1 kg = 2.205 lb).

Accepted Answer

A)  21.2 lb 
B)  4.35 lb 
C)  2.12 lb 
D)  43.5 lb 
E)  0.435 lb 
A)  21.2 lb 
B)  4.35 lb 
C)  2.12 lb 
D)  43.5 lb 
E)  0.435 lb

Question 4

How many significant figures are in the number 123.00015?

Accepted Answer

A)  5 
B)  6 
C)  7 
D)  8 
E)  9 
A)  5 
B)  6 
C)  7 
D)  8 
E)  9

Question 5

Express the number 178481 in scientific notation.

Accepted Answer

A)  1.78481 *10-5 
B)  1.78481*105 
C)  1.78 *105 
D)  178.481 * 103 
E)  1.8 * 10-5 
A)  1.78481 *10-5 
B)  1.78481*105 
C)  1.78 *105 
D)  178.481 * 103 
E)  1.8 * 10-5

Question 6

Calculate the mass of a rectangular solid that has a density of 3.96 g/cm3 and measures 2.50 cm by 1.80 cm by 3.00 cm.

Accepted Answer

A)  3.41 g 
B)  53.5 g 
C)  9.90 g 
D)  28.9 g 
E)  56.5 g 
A)  3.41 g 
B)  53.5 g 
C)  9.90 g 
D)  28.9 g 
E)  56.5 g

Question 7

A toy measures 39.1 cm in length. How many inches does this represent?

Accepted Answer

A)  15.4 in 
B)  99.3 in 
C)  0.0650 in 
D)  3.26 in 
E)  469 in 
A)  15.4 in 
B)  99.3 in 
C)  0.0650 in 
D)  3.26 in 
E)  469 in

Question 8

The number of cubic centimeters (cm3) in 43.0 mL is

Accepted Answer

A)  0.0430 cm3 
B)  4.30 cm3 
C)  43.0 cm3 
D)  none of these 
A)  0.0430 cm3 
B)  4.30 cm3 
C)  43.0 cm3 
D)  none of these

Question 9

Convert 0.054 ft3 to liters (28.32 L = 1 ft3).

Accepted Answer

A)    L 
B)  0.15 L 
C)  15 L 
D)    L 
E)  1.5 L 
A)    L 
B)  0.15 L 
C)  15 L 
D)    L 
E)  1.5 L

Question 10

Perform the following conversion: 6.41 m/s = __________ mi/h

Accepted Answer

A)  0.349 mi/h 
B)  14.3 mi/h 
C)  251 mi/h 
D)  239 mi/h 
E)  12.8 mi/h 
A)  0.349 mi/h 
B)  14.3 mi/h 
C)  251 mi/h 
D)  239 mi/h 
E)  12.8 mi/h

Question 11

The measurement   g also could be written as

Accepted Answer

A)  5.2 g 
B)  5.2 mg 
C)  5.2 pg 
D)  5.2 kg 
E)  5.2 dg 
A)  5.2 g 
B)  5.2 mg 
C)  5.2 pg 
D)  5.2 kg 
E)  5.2 dg

Question 12

How many significant figures are in the number 0.02020 * 1015?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
E)  19 
A)  3 
B)  4 
C)  5 
D)  6 
E)  19

Question 13

Convert 777.5 qt to milliliters (1 L = 1.060 qt).

Accepted Answer

A)    mL 
B)    mL 
C)    mL 
D)  733.5 mL 
E)  none of these 
A)    mL 
B)    mL 
C)    mL 
D)  733.5 mL 
E)  none of these

Question 14

Convert: 29.3°C = _______________ °F.

Accepted Answer

A)  84.7°F 
B)  52.7°F 
C)  20.7°F 
D)  48.3°F 
E)  -15.7°F 
A)  84.7°F 
B)  52.7°F 
C)  20.7°F 
D)  48.3°F 
E)  -15.7°F

Question 15

Convert: 366.2 K = ________________ °C.

Accepted Answer

A)  639.2°C 
B)  93.2°C 
C)  691.2°C 
D)  235.4°C 
E)  203.4°C 
A)  639.2°C 
B)  93.2°C 
C)  691.2°C 
D)  235.4°C 
E)  203.4°C

Question 16

Convert: 6.76 qt = ___________ mL.

Accepted Answer

A)  7.17 mL 
B)    mL 
C)    mL 
D)  6.38 mL 
E)    mL 
A)  7.17 mL 
B)    mL 
C)    mL 
D)  6.38 mL 
E)    mL

Question 17

You take 20.0 mL of water from a graduated cylinder and add it to the beaker of water below. What is the new volume of water in the beaker?

Accepted Answer

A)  40 mL 
B)  40.0 mL 
C)  35 mL 
D)  35.0 mL 
E)  25.0 mL 
A)  40 mL 
B)  40.0 mL 
C)  35 mL 
D)  35.0 mL 
E)  25.0 mL

Question 18

How many significant figures are in the number 60.02 * 105?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  none of these 
A)  2 
B)  3 
C)  4 
D)  5 
E)  none of these

Question 19

The result of the following calculation has how many significant figures? (0.4333 J/g °C) (33.12°C - 31.12°C)(412.1 g)

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 20

Water has a density of 1.0 g/mL. Which of these objects will float in water? Object I: mass = 50.0 g; volume = 69.4 mL
Object II: mass = 60.9 g; volume = 54.7 mL
Object III: mass = 100.0 g; volume = 40.0 mL

Accepted Answer

A)  I only 
B)  I, III 
C)  II only 
D)  II, III 
E)  III only 
A)  I only 
B)  I, III 
C)  II only 
D)  II, III 
E)  III only

Exam 2: Measurements and Calculations

Perform the following conversion: 5.39 m/s = __________ km/h

The number of milligrams in 6.6 kg is

Convert 9.60 kg to pounds (1 kg = 2.205 lb).

How many significant figures are in the number 123.00015?

Express the number 178481 in scientific notation.

Calculate the mass of a rectangular solid that has a density of 3.96 g/cm3 and measures 2.50 cm by 1.80 cm by 3.00 cm.

A toy measures 39.1 cm in length. How many inches does this represent?

The number of cubic centimeters (cm3) in 43.0 mL is

Convert 0.054 ft3 to liters (28.32 L = 1 ft3).

Perform the following conversion: 6.41 m/s = __________ mi/h

The measurement g also could be written as

How many significant figures are in the number 0.02020 * 1015?

Convert 777.5 qt to milliliters (1 L = 1.060 qt).

Convert: 29.3°C = _______________ °F.

Convert: 366.2 K = ________________ °C.

Convert: 6.76 qt = ___________ mL.

You take 20.0 mL of water from a graduated cylinder and add it to the beaker of water below. What is the new volume of water in the beaker?

How many significant figures are in the number 60.02 * 105?

The result of the following calculation has how many significant figures? (0.4333 J/g °C) (33.12°C - 31.12°C)(412.1 g)

Water has a density of 1.0 g/mL. Which of these objects will float in water? Object I: mass = 50.0 g; volume = 69.4 mL Object II: mass = 60.9 g; volume = 54.7 mL Object III: mass = 100.0 g; volume = 40.0 mL

Chemistry: an Introduction

Matter

Chemical Foundations: Elements, Atoms, and Ions

Nomenclature

Chemical Reactions: an Introduction

Reactions in Aqueous Solutions

Chemical Composition

Chemical Quantities

Energy

Modern Atomic Theory

Chemical Bonding

Gases

Liquids and Solids

Solutions

Acids and Bases

Equilibrium

Oxidation-Reduction Reactions and Electrochemistry

Radioactivity and Nuclear Energy

Organic Chemistry

Biochemistry

Filters

Calculate the mass of a rectangular solid that has a density of 3.96 g/cm³ and measures 2.50 cm by 1.80 cm by 3.00 cm.

The number of cubic centimeters (cm³) in 43.0 mL is

Convert 0.054 ft³ to liters (28.32 L = 1 ft³).

How many significant figures are in the number 0.02020 * 10¹⁵?

How many significant figures are in the number 60.02 * 10⁵?