Question 1

Which of the following numbers contains the designated correct number of significant figures?

Accepted Answer

A) 0.04300 5 significant figures 
B) 0.00302 2 significant figures 
C) 156 000 3 significant figures 
D) 1.04 2 significant figures 
E) 3.0650 4 significant figures 
A) 0.04300 5 significant figures 
B) 0.00302 2 significant figures 
C) 156 000 3 significant figures 
D) 1.04 2 significant figures 
E) 3.0650 4 significant figures

Question 2

State the number of significant figures in each of the following measurements.
-If there are 14 books on the shelf,14 is a(n)________ number.

Accepted Answer

The answer of State the number of significant figures in...

Question 3

Which of the answers for the following conversions contains the correct number of significant figures?

Accepted Answer

A) 2.543 m ×   = 100.1942 in. 
B) 2 L ×   = 2.12 qt 
C) 24.95 min ×   = 0.4158 hr 
D) 12.0 ft ×   ×   = 370 cm 
E) 24.0 kg ×   = 11 lb 
A) 2.543 m ×   = 100.1942 in. 
B) 2 L ×   = 2.12 qt 
C) 24.95 min ×   = 0.4158 hr 
D) 12.0 ft ×   ×   = 370 cm 
E) 24.0 kg ×   = 11 lb

Question 4

If apples are $.67/lb,what is the cost of 2.5 kg of apples?

Accepted Answer

A) $ 0.27 
B) $ 0.76 
C) $ 1.68 
D) $ 2.63 
E) $ 3.69 
A) $ 0.27 
B) $ 0.76 
C) $ 1.68 
D) $ 2.63 
E) $ 3.69

Question 5

The number 0.0500 has four significant figures.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is the basic unit of volume in the metric system?

Accepted Answer

A) liter 
B) kilogram 
C) meter 
D) centimeter 
E) gram 
A) liter 
B) kilogram 
C) meter 
D) centimeter 
E) gram

Question 7

100.cm is the same length as 254 inches.

Accepted Answer

A) True 
 B)False

Question 8

What is the correct answer for the calculation of a volume (in mL)with measured numbers   ?

Accepted Answer

A) 0.22 mL 
B) 0.223 mL 
C) 57 mL 
D) 14 mL 
E) 14.3 mL 
A) 0.22 mL 
B) 0.223 mL 
C) 57 mL 
D) 14 mL 
E) 14.3 mL

Question 9

State the number of significant figures in each of the following measurements.
-2.043 × 104 mm

Accepted Answer

Question 10

Round off each of the following to three significant figures.
-399 870

Accepted Answer

The answer of Round off each of the following to...

Question 11

Round off each of the following to three significant figures.
-58.5422

Accepted Answer

The answer of Round off each of the following to...

Question 12

The density of water is 1 kg/mL.

Accepted Answer

A) True 
 B)False

Question 13

Round off each of the following to three significant figures.
-25 225

Accepted Answer

The answer of Round off each of the following to...

Question 14

1 kg equivalent to 1000 mg.

Accepted Answer

A) True 
 B)False

Question 15

The basic unit of mass in the metric system is the pound.

Accepted Answer

A) True 
 B)False

Question 16

What is the conversion factor for the relationship between millimeters and centimeters?

Accepted Answer

A) 1 mm/1 cm 
B) 10 mm/1 cm 
C) 1 cm/1 mm 
D) 100 mm/1 cm 
E) 10 cm/1 mm 
A) 1 mm/1 cm 
B) 10 mm/1 cm 
C) 1 cm/1 mm 
D) 100 mm/1 cm 
E) 10 cm/1 mm

Question 17

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 18

1 mL is equivalent to 1000 L.

Accepted Answer

A) True 
 B)False

Question 19

When 2610 + 11.7 + 0.22 are added,the answer to the correct number of decimal places is ________.

Accepted Answer

A) 2621.92 
B) 2621.9 
C) 2621 
D) 2620 
E) 2600 
A) 2621.92 
B) 2621.9 
C) 2621 
D) 2620 
E) 2600

Question 20

State the number of significant figures in each of the following measurements.
-9.00 × 106 g

Accepted Answer

Which of the following numbers contains the designated correct number of significant figures?

State the number of significant figures in each of the following measurements. -If there are 14 books on the shelf,14 is a(n)________ number.

Which of the answers for the following conversions contains the correct number of significant figures?

If apples are $.67/lb,what is the cost of 2.5 kg of apples?

The number 0.0500 has four significant figures.

Which of the following is the basic unit of volume in the metric system?

100.cm is the same length as 254 inches.

What is the correct answer for the calculation of a volume (in mL)with measured numbers ?

State the number of significant figures in each of the following measurements. -2.043 × 10⁴ mm

Round off each of the following to three significant figures. -399 870

Round off each of the following to three significant figures. -58.5422

The density of water is 1 kg/mL.

Round off each of the following to three significant figures. -25 225

1 kg equivalent to 1000 mg.

The basic unit of mass in the metric system is the pound.

What is the conversion factor for the relationship between millimeters and centimeters?

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

1 mL is equivalent to 1000 L.

When 2610 + 11.7 + 0.22 are added,the answer to the correct number of decimal places is ________.

State the number of significant figures in each of the following measurements. -9.00 × 10⁶ g

Chemistry in Our Lives

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters

Exam 2: Chemistry and Measurement

Which of the following numbers contains the designated correct number of significant figures?

State the number of significant figures in each of the following measurements. -If there are 14 books on the shelf,14 is a(n)________ number.

Which of the answers for the following conversions contains the correct number of significant figures?

If apples are $.67/lb,what is the cost of 2.5 kg of apples?

The number 0.0500 has four significant figures.

Which of the following is the basic unit of volume in the metric system?

100.cm is the same length as 254 inches.

What is the correct answer for the calculation of a volume (in mL)with measured numbers ?

State the number of significant figures in each of the following measurements. -2.043 × 104 mm

Round off each of the following to three significant figures. -399 870

Round off each of the following to three significant figures. -58.5422

The density of water is 1 kg/mL.

Round off each of the following to three significant figures. -25 225

1 kg equivalent to 1000 mg.

The basic unit of mass in the metric system is the pound.

What is the conversion factor for the relationship between millimeters and centimeters?

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

1 mL is equivalent to 1000 L.

When 2610 + 11.7 + 0.22 are added,the answer to the correct number of decimal places is ________.

State the number of significant figures in each of the following measurements. -9.00 × 106 g

Chemistry in Our Lives

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters

State the number of significant figures in each of the following measurements. -2.043 × 10⁴ mm

State the number of significant figures in each of the following measurements. -9.00 × 10⁶ g