Question 1

If there are 14 books on the shelf,14 is a(n)________ number.

Accepted Answer

exact

Question 2

Round off each of the following to three significant figures.
-6.3477 ×

Accepted Answer

6.35 ×

Question 3

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 C

Question 4

State the number of significant figures in each of the following measurements.
-0.008090 cm

Accepted Answer

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

Question 5

Which of the following examples illustrates a number that is correctly rounded to three significant figures?

Accepted Answer

A) 4.05438 g to 4.054 g 
B) 0.03954 g to 0.040 g 
C) 103.692 g to 103.7 g 
D) 109 526 g to 109 500 g 
E) 20.0332 g to 20.0 g 
A) 4.05438 g to 4.054 g 
B) 0.03954 g to 0.040 g 
C) 103.692 g to 103.7 g 
D) 109 526 g to 109 500 g 
E) 20.0332 g to 20.0 g

Question 6

When the measured number 0.0090 is multiplied by the measured number 87.10,the answer has two significant figures.

Accepted Answer

A) True 
 B)False

Question 7

The number 0.0500 has four significant figures.

Accepted Answer

A) True 
 B)False

Question 8

Round off each of the following to three significant figures.
-0.003 4088

Accepted Answer

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

Question 9

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

Question 10

A liquid has a volume of 34.6 mL and a mass of 46.0 g.What is the density of the liquid?

Accepted Answer

A) 1.00 g/mL 
B) 1.33 g/mL 
C) 0.752 g/mL 
D) 1330 g/mL 
E) 0.663 g/mL 
A) 1.00 g/mL 
B) 1.33 g/mL 
C) 0.752 g/mL 
D) 1330 g/mL 
E) 0.663 g/mL

Question 11

The amount of space occupied by a substance is its ________.

Accepted Answer

A) mass 
B) density 
C) weight 
D) length 
E) volume 
A) mass 
B) density 
C) weight 
D) length 
E) volume

Question 12

Match between columns
                        Premises: There are 100 capsules in the bottle.
There are 452 pages in a book.
The patient's blood sugar level is 350 mg/dL.
I lost 14 pounds on my diet last month.
The patient's temperature is 100.1 °F.
1L is equal to 1.06 quarts.
The rabbit weighs 2.5 pounds.
In the U.S.system there are 12 inches in one foot.

Accepted Answer

The Answer of measured and exact is...

Question 13

A calculator answer of 423.6059 must be rounded off to three significant figures.What answer is reported?

Accepted Answer

A) 423 
B) 424 
C) 1.7420 
D) 423.6 
E) 423.7 
A) 423 
B) 424 
C) 1.7420 
D) 423.6 
E) 423.7

Question 14

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

Accepted Answer

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

Question 15

State the number of significant figures in each of the following measurements.
-0.0005 L

Accepted Answer

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

Question 16

Diamond has a density of 3.52 g/mL.What is the volume in cubic centimeters of a diamond with a mass of 15.1 g?

Accepted Answer

A) 4.3   
B) 4.29   
C) 0.233   
D) 53   
E) 53.2   
A) 4.3   
B) 4.29   
C) 0.233   
D) 53   
E) 53.2

Question 17

Which of the following measurements has three significant figures?

Accepted Answer

A) 0.005 m 
B) 510 m 
C) 0.510 m 
D) 0.051 m 
E) 5100 m 
A) 0.005 m 
B) 510 m 
C) 0.510 m 
D) 0.051 m 
E) 5100 m

Question 18

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 19

A 50.0 mL urine sample has a mass of 50.7 g.The specific gravity of the urine is ________.

Accepted Answer

A) 1.014 g/mL 
B) 0.986 g/L 
C) 1.01 
D) 0.986 
E) 50.7 
A) 1.014 g/mL 
B) 0.986 g/L 
C) 1.01 
D) 0.986 
E) 50.7

Question 20

The number of significant figures in the measurement of 45.030 mm is ________.

Accepted Answer

A) none 
B) three 
C) four 
D) five 
E) six 
A) none 
B) three 
C) four 
D) five 
E) six

If there are 14 books on the shelf,14 is a(n)________ number.

Round off each of the following to three significant figures. -6.3477 ×

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

State the number of significant figures in each of the following measurements. -0.008090 cm

Which of the following examples illustrates a number that is correctly rounded to three significant figures?

When the measured number 0.0090 is multiplied by the measured number 87.10,the answer has two significant figures.

The number 0.0500 has four significant figures.

Round off each of the following to three significant figures. -0.003 4088

Which of the following is the largest unit?

A liquid has a volume of 34.6 mL and a mass of 46.0 g.What is the density of the liquid?

The amount of space occupied by a substance is its ________.

A calculator answer of 423.6059 must be rounded off to three significant figures.What answer is reported?

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

State the number of significant figures in each of the following measurements. -0.0005 L

Diamond has a density of 3.52 g/mL.What is the volume in cubic centimeters of a diamond with a mass of 15.1 g?

Which of the following measurements has three significant figures?

The measurement of the gravitational pull on an object is its ________.

A 50.0 mL urine sample has a mass of 50.7 g.The specific gravity of the urine is ________.

The number of significant figures in the measurement of 45.030 mm is ________.

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

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Exam 2: Chemistry and Measurement

If there are 14 books on the shelf,14 is a(n)________ number.

Round off each of the following to three significant figures. -6.3477 ×

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

State the number of significant figures in each of the following measurements. -0.008090 cm

Which of the following examples illustrates a number that is correctly rounded to three significant figures?

When the measured number 0.0090 is multiplied by the measured number 87.10,the answer has two significant figures.

The number 0.0500 has four significant figures.

Round off each of the following to three significant figures. -0.003 4088

Which of the following is the largest unit?

A liquid has a volume of 34.6 mL and a mass of 46.0 g.What is the density of the liquid?

The amount of space occupied by a substance is its ________.

A calculator answer of 423.6059 must be rounded off to three significant figures.What answer is reported?

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

State the number of significant figures in each of the following measurements. -0.0005 L

Diamond has a density of 3.52 g/mL.What is the volume in cubic centimeters of a diamond with a mass of 15.1 g?

Which of the following measurements has three significant figures?

The measurement of the gravitational pull on an object is its ________.

A 50.0 mL urine sample has a mass of 50.7 g.The specific gravity of the urine is ________.

The number of significant figures in the measurement of 45.030 mm is ________.

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