Question 1

The metric length unit that is closest in size to the English unit mile is ________.

Accepted Answer

A)  meter 
B)  cubic centimeter 
C)  kilometer 
D)  megameter 
A)  meter 
B)  cubic centimeter 
C)  kilometer 
D)  megameter

Question 2

In which of the following is the metric system prefix incorrectly paired with a power of ten?

Accepted Answer

A)  nano- and 10-9 
B)  micro- and 10-3 
C)  deca- and 101 
D)  giga- and 109 
A)  nano- and 10-9 
B)  micro- and 10-3 
C)  deca- and 101 
D)  giga- and 109

Question 3

A sample of metal has a mass of 27.24 g and a volume of 2.20 mL. What is the correct value (correct number of significant figures) of its density using these data?

Accepted Answer

A)  12.382 g/mL 
B)  0.081 g/mL 
C)  12.4 g/mL 
D)  0.0876 g/mL 
A)  12.382 g/mL 
B)  0.081 g/mL 
C)  12.4 g/mL 
D)  0.0876 g/mL

Question 4

In which of the following is the metric system unit incorrectly paired with an abbreviation?

Accepted Answer

A)  hectogram - hg 
B)  microgram - $\mu$    g 
C)  centimeter - hg 
D)  millimeter - mm 
A)  hectogram - hg 
B)  microgram - $\mu$    g 
C)  centimeter - hg 
D)  millimeter - mm

Question 5

Using the dimensional analysis method of problem solving, calculate the velocity, in yards per second, that is equivalent to a velocity of 50.00 m/day.

Accepted Answer

@#IMG-DLM& = 6.32877 x 10^-4 yd/s

Question 6

An astronaut whose mass is equal to 82 kg on Earth, on the Moon will
-have the same mass on the Moon as on Earth.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is the correct formula for calculating the volume of a sphere?

Accepted Answer

A)  pr2h 
B)  pr3 
C)  4/3 pr2h 
D)  4/3 pr3 
A)  pr2h 
B)  pr3 
C)  4/3 pr2h 
D)  4/3 pr3

Question 8

The density of osmium, the densest metal known, is 2260 cg/cm3. A rectangular block of osmium is depicted below. Calculate the mass of the block of osmium in pounds.

Accepted Answer

4.50 in x 2.54 cm/in = 11.4 cm; 15.0 in

Question 9

Chloroform was used as an anesthetic in the early days of surgery. If its density is 1.492 g/mL, what is the mass of 225 mL?

Accepted Answer

A)  336 g 
B)  151 g 
C)  225 g 
D)  1.6 g 
A)  336 g 
B)  151 g 
C)  225 g 
D)  1.6 g

Question 10

The average adult has approximately 9.0 pints of blood. If 20 drops of blood is equivalent to 1 mL, how many drops of blood does the average human contain?

Accepted Answer

A)  85,000 drops 
B)  1100 drops 
C)  9.1 x 1011 drops 
D)  230,000 drops 
A)  85,000 drops 
B)  1100 drops 
C)  9.1 x 1011 drops 
D)  230,000 drops

Question 11

Which of the following unit conversion factors would change g/mL to lb/ft3 ?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 12

Which of the following three-dimensional shapes is not correctly paired with the formula used to calculate its volume?

Accepted Answer

A)  cube - s3 
B)  rectangular solid - l x w x h 
C)  cylinder - pr2h 
D)  sphere - pr3 
A)  cube - s3 
B)  rectangular solid - l x w x h 
C)  cylinder - pr2h 
D)  sphere - pr3

Question 13

A cylindrical slug of copper has a diameter of 68.3 mm and a height of 0.120 m. What is the volume of the cylinder of copper in cm3? (cylinder volume: V = pr2h)

Accepted Answer

A)  4.40 x 102 cm3 
B)  702 cm3 
C)  18.2 cm3 
D)  176 cm3 
A)  4.40 x 102 cm3 
B)  702 cm3 
C)  18.2 cm3 
D)  176 cm3

Question 14

How many grams of alcohol are present in 2 bottles (992 g total mass of mixture) of an alcohol/water mixture of that is 25.6% alcohol by mass?

Accepted Answer

A)  254 g alcohol 
B)  366 g alcohol 
C)  350 g alcohol 
D)  210 g alcohol 
A)  254 g alcohol 
B)  366 g alcohol 
C)  350 g alcohol 
D)  210 g alcohol

Question 15

A hospital patient has an oral temperature of 39.5 °C and weighs 190. lb. He is to receive a drug, the total dosage of which is 55 mg per kilogram of body weight. The drug is dissolved in water (25 mg per milliliter).
-What mass in milligrams of pure drug should he receive?

Accepted Answer

The answer of A hospital patient has an oral temperature...

Question 16

Which of these samples has the smallest mass?

Accepted Answer

A)  1.6 x 102 $\mu$    g 
B)  1.6 x 10-2 g 
C)  1.6 x 10-4 mg 
D)  1.6 x 10-7 kg 
A)  1.6 x 102 $\mu$    g 
B)  1.6 x 10-2 g 
C)  1.6 x 10-4 mg 
D)  1.6 x 10-7 kg

Question 17

A hospital patient has an oral temperature of 39.5 °C and weighs 190. lb. He is to receive a drug, the total dosage of which is 55 mg per kilogram of body weight. The drug is dissolved in water (25 mg per milliliter).
-What is his weight in kilograms?

Accepted Answer

The answer of A hospital patient has an oral temperature...

Question 18

Which of the following unit conversion factor sequences would change milligrams to hectograms?

Accepted Answer

A)  mg x   x   
B)  mg x   x   
C)  mg x   x   
D)  mg x   x   
A)  mg x   x   
B)  mg x   x   
C)  mg x   x   
D)  mg x   x

Question 19

In which of the following "unit set-ups" are the units incorrectly combined together?

Accepted Answer

A)  dm4 x dm3 = dm7 
B)    = km-2 
C)    = in 
D)    = ?m-2 
A)  dm4 x dm3 = dm7 
B)    = km-2 
C)    = in 
D)    = ?m-2

Question 20

Using the dimensional analysis method of problem solving, carry out the following metric-metric conversions:
-65 cm3 = ? km3

Accepted Answer

The metric length unit that is closest in size to the English unit mile is ________.

In which of the following is the metric system prefix incorrectly paired with a power of ten?

A sample of metal has a mass of 27.24 g and a volume of 2.20 mL. What is the correct value (correct number of significant figures) of its density using these data?

In which of the following is the metric system unit incorrectly paired with an abbreviation?

Using the dimensional analysis method of problem solving, calculate the velocity, in yards per second, that is equivalent to a velocity of 50.00 m/day.

An astronaut whose mass is equal to 82 kg on Earth, on the Moon will -have the same mass on the Moon as on Earth.

Which of the following is the correct formula for calculating the volume of a sphere?

The density of osmium, the densest metal known, is 2260 cg/cm3. A rectangular block of osmium is depicted below. Calculate the mass of the block of osmium in pounds.

Chloroform was used as an anesthetic in the early days of surgery. If its density is 1.492 g/mL, what is the mass of 225 mL?

The average adult has approximately 9.0 pints of blood. If 20 drops of blood is equivalent to 1 mL, how many drops of blood does the average human contain?

Which of the following unit conversion factors would change g/mL to lb/ft³ ?

Which of the following three-dimensional shapes is not correctly paired with the formula used to calculate its volume?

A cylindrical slug of copper has a diameter of 68.3 mm and a height of 0.120 m. What is the volume of the cylinder of copper in cm³? (cylinder volume: V = pr²h)

How many grams of alcohol are present in 2 bottles (992 g total mass of mixture) of an alcohol/water mixture of that is 25.6% alcohol by mass?

A hospital patient has an oral temperature of 39.5 °C and weighs 190. lb. He is to receive a drug, the total dosage of which is 55 mg per kilogram of body weight. The drug is dissolved in water (25 mg per milliliter). -What mass in milligrams of pure drug should he receive?

Which of these samples has the smallest mass?

A hospital patient has an oral temperature of 39.5 °C and weighs 190. lb. He is to receive a drug, the total dosage of which is 55 mg per kilogram of body weight. The drug is dissolved in water (25 mg per milliliter). -What is his weight in kilograms?

Which of the following unit conversion factor sequences would change milligrams to hectograms?

In which of the following "unit set-ups" are the units incorrectly combined together?

Using the dimensional analysis method of problem solving, carry out the following metric-metric conversions: -65 cm³ = ? km³

The Science of Chemistry

Numbers From Measurements

Basic Concepts About Matter

Atoms, Molecules, Formulas, and Subatomic Particles

Electronic Structure and Chemical Periodicity

Chemical Bonds

Chemical Nomenclature

Chemical Calculations: the Mole Concept and Chemical Formulas

Chemical Calculations Involving Chemical Equations

States of Matter

Gas Laws

Solutions

Acids, Bases and Salts

Oxidation and Reduction

Reaction Rates and Chemical Equilibrium

Nuclear Chemistry

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Exam 3: Unit Systems and Dimensional Analysis

The metric length unit that is closest in size to the English unit mile is ________.

In which of the following is the metric system prefix incorrectly paired with a power of ten?

A sample of metal has a mass of 27.24 g and a volume of 2.20 mL. What is the correct value (correct number of significant figures) of its density using these data?

In which of the following is the metric system unit incorrectly paired with an abbreviation?

Using the dimensional analysis method of problem solving, calculate the velocity, in yards per second, that is equivalent to a velocity of 50.00 m/day.

An astronaut whose mass is equal to 82 kg on Earth, on the Moon will -have the same mass on the Moon as on Earth.

Which of the following is the correct formula for calculating the volume of a sphere?

The density of osmium, the densest metal known, is 2260 cg/cm3. A rectangular block of osmium is depicted below. Calculate the mass of the block of osmium in pounds.

Chloroform was used as an anesthetic in the early days of surgery. If its density is 1.492 g/mL, what is the mass of 225 mL?

The average adult has approximately 9.0 pints of blood. If 20 drops of blood is equivalent to 1 mL, how many drops of blood does the average human contain?

Which of the following unit conversion factors would change g/mL to lb/ft3 ?

Which of the following three-dimensional shapes is not correctly paired with the formula used to calculate its volume?

A cylindrical slug of copper has a diameter of 68.3 mm and a height of 0.120 m. What is the volume of the cylinder of copper in cm3? (cylinder volume: V = pr2h)

How many grams of alcohol are present in 2 bottles (992 g total mass of mixture) of an alcohol/water mixture of that is 25.6% alcohol by mass?

A hospital patient has an oral temperature of 39.5 °C and weighs 190. lb. He is to receive a drug, the total dosage of which is 55 mg per kilogram of body weight. The drug is dissolved in water (25 mg per milliliter). -What mass in milligrams of pure drug should he receive?

Which of these samples has the smallest mass?

A hospital patient has an oral temperature of 39.5 °C and weighs 190. lb. He is to receive a drug, the total dosage of which is 55 mg per kilogram of body weight. The drug is dissolved in water (25 mg per milliliter). -What is his weight in kilograms?

Which of the following unit conversion factor sequences would change milligrams to hectograms?

In which of the following "unit set-ups" are the units incorrectly combined together?

Using the dimensional analysis method of problem solving, carry out the following metric-metric conversions: -65 cm3 = ? km3

The Science of Chemistry

Numbers From Measurements

Basic Concepts About Matter

Atoms, Molecules, Formulas, and Subatomic Particles

Electronic Structure and Chemical Periodicity

Chemical Bonds

Chemical Nomenclature

Chemical Calculations: the Mole Concept and Chemical Formulas

Chemical Calculations Involving Chemical Equations

States of Matter

Gas Laws

Solutions

Acids, Bases and Salts

Oxidation and Reduction

Reaction Rates and Chemical Equilibrium

Nuclear Chemistry

Filters

Which of the following unit conversion factors would change g/mL to lb/ft³ ?

A cylindrical slug of copper has a diameter of 68.3 mm and a height of 0.120 m. What is the volume of the cylinder of copper in cm³? (cylinder volume: V = pr²h)

Using the dimensional analysis method of problem solving, carry out the following metric-metric conversions: -65 cm³ = ? km³