Question 1

The number 650 000 has two significant figures.

Accepted Answer

A) True 
 B)False  True

Question 2

Mercury has a specific gravity of 13.6.How many milliliters of mercury have a mass of 0.35 kg?

Accepted Answer

A) 0.0257 mL 
B) 0.026 mL 
C) 25.7 mL 
D) 26 mL 
E) 4760 mL 
A) 0.0257 mL 
B) 0.026 mL 
C) 25.7 mL 
D) 26 mL 
E) 4760 mL D

Question 3

The density of a solution is 1.18 g/mL.Its specific gravity is ________.

Accepted Answer

A) 11.8 
B) 0.118 
C) 0.847 
D) 1.18 
E) 1.2 
A) 11.8 
B) 0.118 
C) 0.847 
D) 1.18 
E) 1.2 D

Question 4

A cubic centimeter is a unit of length.

Accepted Answer

A) True 
 B)False

Question 5

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 6

How many kilograms are in 30.4 lb?

Accepted Answer

A) 13.8 kg 
B) 14 kg 
C) 67 kg 
D) 66.88 kg 
E) 66.9 kg 
A) 13.8 kg 
B) 14 kg 
C) 67 kg 
D) 66.88 kg 
E) 66.9 kg

Question 7

How many significant figures are in the number 0.00208?

Accepted Answer

A) six 
B) two 
C) three 
D) four 
E) five 
A) six 
B) two 
C) three 
D) four 
E) five

Question 8

A dose of aspirin of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds.The number of milligrams of aspirin that should be administered is ________.

Accepted Answer

A) 19 mg 
B) 53 mg 
C) 1.6 mg 
D) 5.0 mg 
E) 0.59 mg 
A) 19 mg 
B) 53 mg 
C) 1.6 mg 
D) 5.0 mg 
E) 0.59 mg

Question 9

The liter is a unit of volume in the metric system.

Accepted Answer

A) True 
 B)False

Question 10

A doctor's order is 0.125 g of ampicillin.The liquid suspension on hand contains 250 mg/5.0 mL.How many milliliters of the suspension are required?

Accepted Answer

A) 0.0025 mL 
B) 3.0 mL 
C) 2.5 mL 
D) 6.3 mL 
E) 0.0063 mL 
A) 0.0025 mL 
B) 3.0 mL 
C) 2.5 mL 
D) 6.3 mL 
E) 0.0063 mL

Question 11

What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL?

Accepted Answer

A) 0.0230 kg 
B) 2.30 kg 
C) 1.15 kg 
D) 0.0150 kg 
E) 0.575 kg 
A) 0.0230 kg 
B) 2.30 kg 
C) 1.15 kg 
D) 0.0150 kg 
E) 0.575 kg

Question 12

9.31 g is the same mass as ________.

Accepted Answer

A) 931 μg 
B) 931 kg 
C) 93.1 cg 
D) 9310 mg 
E) 0.0931 dg 
A) 931 μg 
B) 931 kg 
C) 93.1 cg 
D) 9310 mg 
E) 0.0931 dg

Question 13

A value of 25 °C is a measurement of ________.

Accepted Answer

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

Question 14

Which of the following is the smallest unit?

Accepted Answer

A) gram 
B) milligram 
C) kilogram 
D) decigram 
E) microgram 
A) gram 
B) milligram 
C) kilogram 
D) decigram 
E) microgram

Question 15

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

Question 16

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 17

A piece of iron with a mass of 119 g is placed in a graduated cylinder,where the water level is to 57 mL.The water level rises to 72 mL.What is the density of the iron?

Accepted Answer

A) 0.13 g/mL 
B) 1.7 g/mL 
C) 2.1 g/mL 
D) 7.9 g/mL 
E) 24 g/mL 
A) 0.13 g/mL 
B) 1.7 g/mL 
C) 2.1 g/mL 
D) 7.9 g/mL 
E) 24 g/mL

Question 18

How many liters of soft drink are there in 5.25 qt?

Accepted Answer

A) 4950 L 
B) 55.7 L 
C) 4.95 L 
D) 5.57 L 
E) 5.0 L 
A) 4950 L 
B) 55.7 L 
C) 4.95 L 
D) 5.57 L 
E) 5.0 L

Question 19

A value of 36 mL is a measure of ________.

Accepted Answer

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

Question 20

The correct answer for the addition of 7.5 g + 2.26 g + 1.311 g + 2 g is ________.

Accepted Answer

A) 13.071 g 
B) 13 g 
C) 13.0 g 
D) 10 g 
E) 13.1 g 
A) 13.071 g 
B) 13 g 
C) 13.0 g 
D) 10 g 
E) 13.1 g

The number 650 000 has two significant figures.

Mercury has a specific gravity of 13.6.How many milliliters of mercury have a mass of 0.35 kg?

The density of a solution is 1.18 g/mL.Its specific gravity is ________.

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?

How many kilograms are in 30.4 lb?

How many significant figures are in the number 0.00208?

A dose of aspirin of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds.The number of milligrams of aspirin that should be administered is ________.

The liter is a unit of volume in the metric system.

A doctor's order is 0.125 g of ampicillin.The liquid suspension on hand contains 250 mg/5.0 mL.How many milliliters of the suspension are required?

What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL?

9.31 g is the same mass as ________.

A value of 25 °C is a measurement of ________.

Which of the following is the smallest unit?

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

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

A piece of iron with a mass of 119 g is placed in a graduated cylinder,where the water level is to 57 mL.The water level rises to 72 mL.What is the density of the iron?

How many liters of soft drink are there in 5.25 qt?

A value of 36 mL is a measure of ________.

The correct answer for the addition of 7.5 g + 2.26 g + 1.311 g + 2 g 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

Exam 2: Chemistry and Measurement

The number 650 000 has two significant figures.

Mercury has a specific gravity of 13.6.How many milliliters of mercury have a mass of 0.35 kg?

The density of a solution is 1.18 g/mL.Its specific gravity is ________.

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?

How many kilograms are in 30.4 lb?

How many significant figures are in the number 0.00208?

A dose of aspirin of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds.The number of milligrams of aspirin that should be administered is ________.

The liter is a unit of volume in the metric system.

A doctor's order is 0.125 g of ampicillin.The liquid suspension on hand contains 250 mg/5.0 mL.How many milliliters of the suspension are required?

What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL?

9.31 g is the same mass as ________.

A value of 25 °C is a measurement of ________.

Which of the following is the smallest unit?

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

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

A piece of iron with a mass of 119 g is placed in a graduated cylinder,where the water level is to 57 mL.The water level rises to 72 mL.What is the density of the iron?

How many liters of soft drink are there in 5.25 qt?

A value of 36 mL is a measure of ________.

The correct answer for the addition of 7.5 g + 2.26 g + 1.311 g + 2 g 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