Question 1

When 2610 + 11.7 + 0.22 are added, the answer to the correct number of decimal places is __________.

Accepted Answer

A)  2621.92 
B)  2621.9 
C)  2621 
D)  2620 
E)  2600 
A)  2621.92 
B)  2621.9 
C)  2621 
D)  2620 
E)  2600

Question 2

According to the United States Food and Drug Administration, the recommended daily requirement of protein is 44 g. This is __________ of protein.

Accepted Answer

A)  1248.5 oz 
B)  320 000 oz 
C)  1.6 oz 
D)  0.0605 oz 
E)  150 000 oz 
A)  1248.5 oz 
B)  320 000 oz 
C)  1.6 oz 
D)  0.0605 oz 
E)  150 000 oz

Question 3

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 4

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 5

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 6

What is the correct answer for the calculation of a volume (in mL) with measured numbers $\frac { 28.58 } { 16 \times 8.02 }$ ?

Accepted Answer

A)  0.22 mL 
B)  0.223 mL 
C)  57 mL 
D)  14 mL 
E)  14.3 mL 
A)  0.22 mL 
B)  0.223 mL 
C)  57 mL 
D)  14 mL 
E)  14.3 mL

Question 7

Titanium dioxide is a chemical used in toothpaste to __________.

Accepted Answer

A)  make the paste white 
B)  disinfect the toothbrush 
C)  keep the paste from spoiling 
D)  remove plaque 
E)  strengthen tooth enamel 
A)  make the paste white 
B)  disinfect the toothbrush 
C)  keep the paste from spoiling 
D)  remove plaque 
E)  strengthen tooth enamel

Question 8

Which of the following is often used to determine an individual's percentage of body fat?

Accepted Answer

A)  temperature 
B)  height 
C)  weight loss 
D)  weight gain 
E)  density 
A)  temperature 
B)  height 
C)  weight loss 
D)  weight gain 
E)  density

Question 9

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 10

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 11

One way to enhance your learning in chemistry is to __________.

Accepted Answer

A)  study a little every day 
B)  form a study group 
C)  go to office hours 
D)  be an active learner 
E)  all the above 
A)  study a little every day 
B)  form a study group 
C)  go to office hours 
D)  be an active learner 
E)  all the above

Question 12

How many pounds are in 3.5 kg?

Accepted Answer

A)  7.7 lb 
B)  1.59 lb 
C)  0.629 lb 
D)  1.6 lb 
E)  7.70 lb 
A)  7.7 lb 
B)  1.59 lb 
C)  0.629 lb 
D)  1.6 lb 
E)  7.70 lb

Question 13

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 14

In this list, which substance can be classified as a chemical?

Accepted Answer

A)  salt 
B)  sleep 
C)  cold 
D)  heat 
E)  temperature 
A)  salt 
B)  sleep 
C)  cold 
D)  heat 
E)  temperature

Question 15

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 16

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.

Question 17

Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL?

Accepted Answer

A)  table salt (density = 2.16 g/mL) 
B)  balsa wood (density = 0.16 g/mL) 
C)  sugar (density = 1.59 g/mL) 
D)  aluminum (density = 2.70 g/mL) 
E)  mercury (density = 13.6 g/mL) 
A)  table salt (density = 2.16 g/mL) 
B)  balsa wood (density = 0.16 g/mL) 
C)  sugar (density = 1.59 g/mL) 
D)  aluminum (density = 2.70 g/mL) 
E)  mercury (density = 13.6 g/mL)

Question 18

A driver is traveling at 60 km/h. Is the driver speeding if the speed limit is 45 mph?

Accepted Answer

A) True 
 B)False

Question 19

Which of the following numbers contains the designated CORRECT number of significant figures?

Accepted Answer

A)  0.04300&emsp;  5 significant figures 
B)  0.00302 &emsp; 2 significant figures 
C)  156 000&emsp;  3 significant figures 
D)  1.04 &emsp; 2 significant figures 
E)  3.0650 &emsp; 4 significant figures 
A)  0.04300&emsp;  5 significant figures 
B)  0.00302 &emsp; 2 significant figures 
C)  156 000&emsp;  3 significant figures 
D)  1.04 &emsp; 2 significant figures 
E)  3.0650 &emsp; 4 significant figures

Question 20

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.

Exam 1: Chemistry and Measurements

When 2610 + 11.7 + 0.22 are added, the answer to the correct number of decimal places is __________.

According to the United States Food and Drug Administration, the recommended daily requirement of protein is 44 g. This is __________ of protein.

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?

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

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

What is the correct answer for the calculation of a volume (in mL) with measured numbers 28.5816×8.02\frac { 28.58 } { 16 \times 8.02 }16×8.0228.58​ ?

Titanium dioxide is a chemical used in toothpaste to __________.

Which of the following is often used to determine an individual's percentage of body fat?

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

The metric unit for volume is the

One way to enhance your learning in chemistry is to __________.

How many pounds are in 3.5 kg?

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

In this list, which substance can be classified as a chemical?

Which of the following conversion factors is a measured number?

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

Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL?

A driver is traveling at 60 km/h. Is the driver speeding if the speed limit is 45 mph?

Which of the following numbers contains the designated CORRECT number of significant figures?

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

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Compounds and Their Bonds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, Alkynes, and Aromatic Compounds

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

What is the correct answer for the calculation of a volume (in mL) with measured numbers $\frac { 28.58 } { 16 \times 8.02 }$ ?