Question 1

The cubic centimeter (cm3 or cc) has the same volume as a

Accepted Answer

A) cubic inch. 
B) cubic liter. 
C) milliliter. 
D) centimeter. 
E) cubic decimeter. 
A) cubic inch. 
B) cubic liter. 
C) milliliter. 
D) centimeter. 
E) cubic decimeter. C

Question 2

What is the density of a substance with a mass of 45.00 g and a volume of 26.4 mL?

Accepted Answer

A) 1.70 g/mL 
B) 1.7 g/mL 
C) 0.59 g/mL 
D) 0.587 g/mL 
E) 45.0 g/mL 
A) 1.70 g/mL 
B) 1.7 g/mL 
C) 0.59 g/mL 
D) 0.587 g/mL 
E) 45.0 g/mL A

Question 3

Which of the following measurements are NOT equivalent?

Accepted Answer

A) 25 mg = 0.025 g 
B) 183 L = 0.183 kL 
C) 150. ms = 0.150 s 
D) 84 cm = 8.4 mm 
E) 24 dL = 2.4 L 
A) 25 mg = 0.025 g 
B) 183 L = 0.183 kL 
C) 150. ms = 0.150 s 
D) 84 cm = 8.4 mm 
E) 24 dL = 2.4 L D

Question 4

The metric unit for volume is the

Accepted Answer

A) meter. 
B) quart. 
C) liter. 
D) pint. 
E) centimeter. 
A) meter. 
B) quart. 
C) liter. 
D) pint. 
E) centimeter.

Question 5

A cubic centimeter is a unit of length.

Accepted Answer

A) True 
 B)False

Question 6

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) 420 
D) 423.6 
E) 423.7 
A) 423 
B) 424 
C) 420 
D) 423.6 
E) 423.7

Question 7

The EPA limit for lead in the soil of play areas is 400 ppm. This is the same as

Accepted Answer

A) 400 mg lead in each gram of soil. 
B) 400 g lead in each kilogram of soil. 
C) 400 mg lead in each kilogram of soil. 
D) 400 µg lead in each kilogram of soil. 
E) 400 µg lead in each milligram of soil. 
A) 400 mg lead in each gram of soil. 
B) 400 g lead in each kilogram of soil. 
C) 400 mg lead in each kilogram of soil. 
D) 400 µg lead in each kilogram of soil. 
E) 400 µg lead in each milligram of soil.

Question 8

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 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

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

Accepted Answer

A) True 
 B)False

Question 11

State the number of significant figures in each of the following measurements.
-680 000 km

Accepted Answer

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

Question 12

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 13

1 milliliter is the same as 1000 L.

Accepted Answer

A) True 
 B)False

Question 14

State the number of significant figures in each of the following measurements.
-75.00 m

Accepted Answer

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

Question 15

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 16

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 17

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.

Question 18

1 kilogram is the same as 1000 mg.

Accepted Answer

A) True 
 B)False

Question 19

Round off each of the following to three significant figures.
-504.85

Accepted Answer

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

Question 20

Significant figures are important because they indicate

Accepted Answer

A) the accuracy of a measurement. 
B) the number of digits on a calculator. 
C) the number of measurements. 
D) the precision of a measurement. 
E) the accuracy of the conversion factor. 
A) the accuracy of a measurement. 
B) the number of digits on a calculator. 
C) the number of measurements. 
D) the precision of a measurement. 
E) the accuracy of the conversion factor.

Exam 2: Chemistry and Measurements

The cubic centimeter (cm3 or cc) has the same volume as a

What is the density of a substance with a mass of 45.00 g and a volume of 26.4 mL?

Which of the following measurements are NOT equivalent?

The metric unit for volume is the

A cubic centimeter is a unit of length.

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

The EPA limit for lead in the soil of play areas is 400 ppm. This is the same as

The metric base unit for length is the

Which of the following is the largest unit?

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

State the number of significant figures in each of the following measurements. -680 000 km

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

1 milliliter is the same as 1000 L.

State the number of significant figures in each of the following measurements. -75.00 m

What is the metric relationship between grams and micrograms?

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

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

1 kilogram is the same as 1000 mg.

Round off each of the following to three significant figures. -504.85

Significant figures are important because they indicate

Chemistry in Our Lives

Energy and Matter

Atoms

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Hydrocarbons

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

Filters

The cubic centimeter (cm³ or cc) has the same volume as a