Question 1

Which of the following conversion factors is a measured number?

Accepted Answer

A) 10 cm/dm 
B) 12 in/ft 
C) 16 oz/lb 
D) 25 miles/gallon 
E) 12 eggs/dozen 
A) 10 cm/dm 
B) 12 in/ft 
C) 16 oz/lb 
D) 25 miles/gallon 
E) 12 eggs/dozen

Question 2

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 3

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 4

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 5

1.00 pint of milk has a volume of how many milliliters? (2 pints = 1 quart)

Accepted Answer

A) 472 mL 
B) 530. mL 
C) 1000 mL 
D) 1890 mL 
E) 106 mL 
A) 472 mL 
B) 530. mL 
C) 1000 mL 
D) 1890 mL 
E) 106 mL

Question 6

State the number of significant figures in each of the following measurements.
-6.1 × 10-5 mL

Accepted Answer

Question 7

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 cm3 
B) 4.29 cm3 
C) 0.233 cm3 
D) 53 cm3 
E) 53.2 cm3 
A) 4.3 cm3 
B) 4.29 cm3 
C) 0.233 cm3 
D) 53 cm3 
E) 53.2 cm3

Question 8

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 9

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

Question 10

How many significant figures are in the measured number 0.00208 m?

Accepted Answer

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

Question 11

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 12

What is the volume of a cube that measures 4.00 cm on each side?

Accepted Answer

A) 16.0 mL 
B) 64.0 L 
C) 64.0 mL 
D) 64.00 mL 
E) 0.640 L 
A) 16.0 mL 
B) 64.0 L 
C) 64.0 mL 
D) 64.00 mL 
E) 0.640 L

Question 13

In which of the following is the metric unit paired with its correct abbreviation?

Accepted Answer

A) microgram / mg 
B) milliliter / mL 
C) centimeter / km 
D) kilogram / cg 
E) gram / gm 
A) microgram / mg 
B) milliliter / mL 
C) centimeter / km 
D) kilogram / cg 
E) gram / gm

Question 14

How many centimeters are there in 57.0 in.?

Accepted Answer

A) 22 cm 
B) 0.0445 cm 
C) 145 cm 
D) 22.4 cm 
E) 140 cm 
A) 22 cm 
B) 0.0445 cm 
C) 145 cm 
D) 22.4 cm 
E) 140 cm

Question 15

Which of the following setups would convert centimeters to feet?

Accepted Answer

A) cm ×  ×  
B) cm × ×  
C) cm × ×  
D) cm × ×   
E) cm × ×   
A) cm ×  ×  
B) cm × ×  
C) cm × ×  
D) cm × ×   
E) cm × ×

Question 16

A value of 25 °C is a measurement of

Accepted Answer

A) distance. 
B) volume. 
C) temperature. 
D) mass. 
E) density. 
A) distance. 
B) volume. 
C) temperature. 
D) mass. 
E) density.

Question 17

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 18

The specific gravity of a solution is 1.18. Its density is

Accepted Answer

A) 11.8 g/mL. 
B) 0.118 g/mL. 
C) 0.847 g/mL. 
D) 1.18 g/mL. 
E) 1.2 g/mL. 
A) 11.8 g/mL. 
B) 0.118 g/mL. 
C) 0.847 g/mL. 
D) 1.18 g/mL. 
E) 1.2 g/mL.

Question 19

Grapes are $1.49 per pound. What is the cost of 1.20 kg of grapes?

Accepted Answer

A) $3.93 
B) $2.73 
C) $1.79 
D) $0.81 
E) $0.56 
A) $3.93 
B) $2.73 
C) $1.79 
D) $0.81 
E) $0.56

Question 20

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

Accepted Answer

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

Exam 2: Chemistry and Measurements

Which of the following conversion factors is a measured number?

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

9.31 g is the same mass as

1.00 pint of milk has a volume of how many milliliters? (2 pints = 1 quart)

State the number of significant figures in each of the following measurements. -6.1 × 10-5 mL

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 is the smallest unit?

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

How many significant figures are in the measured number 0.00208 m?

How many kilograms are in 30.4 lb?

What is the volume of a cube that measures 4.00 cm on each side?

In which of the following is the metric unit paired with its correct abbreviation?

How many centimeters are there in 57.0 in.?

Which of the following setups would convert centimeters to feet?

A value of 25 °C is a measurement of

The measurement of the gravitational pull on an object is its

The specific gravity of a solution is 1.18. Its density is

Grapes are $1.49 per pound. What is the cost of 1.20 kg of grapes?

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

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

State the number of significant figures in each of the following measurements. -6.1 × 10^-5 mL