Question 1

What is the symbol for tungsten?

Accepted Answer

A) W 
B) Tu 
C) Sn 
D) St 
E) Ti 
A) W 
B) Tu 
C) Sn 
D) St 
E) Ti

Question 2

The measurement most likely to describe the amount of pain reliever in a headache tablet is

Accepted Answer

A) 1.5 kg. 
B) 500 mg. 
C) 1.00 mL. 
D) 325 mg/mL. 
E) 0.25 L. 
A) 1.5 kg. 
B) 500 mg. 
C) 1.00 mL. 
D) 325 mg/mL. 
E) 0.25 L.

Question 3

What is the specific heat of a metal if it takes 26.5 calories to raise the temperature of a piece weighing 50.0 g by 5.00 Celsius degrees?

Accepted Answer

A) 250 cal/g °C 
B) 133 cal/g °C 
C) 6.63 cal/g °C 
D) 1.89 cal/g °C 
E) 0.106 cal/g °C 
A) 250 cal/g °C 
B) 133 cal/g °C 
C) 6.63 cal/g °C 
D) 1.89 cal/g °C 
E) 0.106 cal/g °C

Question 4

The dosage of quinine when a 145-lb adult takes a 200.-mg tablet is ________ μg drug per kg of body weight.

Accepted Answer

A) 1.38 × 106 
B) 1.60 × 103 
C) 3.04 × 103 
D) 4.41 × 105 
E) 15.2 
A) 1.38 × 106 
B) 1.60 × 103 
C) 3.04 × 103 
D) 4.41 × 105 
E) 15.2

Question 5

What is the density of a 6.0 × 102 mL liquid sample that weighs 450 g?

Accepted Answer

A) 1050 g/mL 
B) 270 g/mL 
C) 1.33 g/mL 
D) 0.75 g/mL 
E) 0.37 g/mL 
A) 1050 g/mL 
B) 270 g/mL 
C) 1.33 g/mL 
D) 0.75 g/mL 
E) 0.37 g/mL

Question 6

Which of the following can be classified as a pure compound?

Accepted Answer

A) alcohol in water,C2H5OH in H2O 
B) sugar,C12H22O11 
C) carbon,C 
D) iodine,I2 
A) alcohol in water,C2H5OH in H2O 
B) sugar,C12H22O11 
C) carbon,C 
D) iodine,I2

Question 7

The volume of a gas sample is recorded as 0.0970 L.How many significant figures is this?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) None,because this is an exact number. 
A) 2 
B) 3 
C) 4 
D) 5 
E) None,because this is an exact number.

Question 8

Which of the following is a physical property?

Accepted Answer

A) flammability 
B) conductivity 
C) ability to support combustion 
D) corrosiveness 
E) inertness 
A) flammability 
B) conductivity 
C) ability to support combustion 
D) corrosiveness 
E) inertness

Question 9

1-butanethiol,one of the compounds giving skunks their distinctive odor,freezes at -115.7°C and boils at 98.5°C.What is its phase at 37°C,the normal body temperature of humans?

Accepted Answer

A) solid 
B) liquid 
C) gas 
D) a mixture of solid and liquid 
E) a mixture of liquid and gas 
A) solid 
B) liquid 
C) gas 
D) a mixture of solid and liquid 
E) a mixture of liquid and gas

Question 10

Which term does not describe a conversion between states of matter?

Accepted Answer

A) condensation 
B) evaporation 
C) freezing 
D) melting 
E) mixing 
A) condensation 
B) evaporation 
C) freezing 
D) melting 
E) mixing

Question 11

The SI unit for volume is ________ and the metric unit for volume is ________.

Accepted Answer

A) cc; L 
B) L; m3 
C) m3; L 
D) mL; cc 
E) m3; cm3 
A) cc; L 
B) L; m3 
C) m3; L 
D) mL; cc 
E) m3; cm3

Question 12

Which measurement represents the largest quantity?

Accepted Answer

A) 4730 ng 
B) 4.73 × 10-4 g 
C) 4.73 × 103 μg 
D) 4.73 × 10-6 kg 
E) 47.3 mg 
A) 4730 ng 
B) 4.73 × 10-4 g 
C) 4.73 × 103 μg 
D) 4.73 × 10-6 kg 
E) 47.3 mg

Question 13

What is the specific heat of a metal if it takes 48.4 calories to raise the temperature of a 45.0 g sample by 5.0°C?

Accepted Answer

A) 0.186 cal/g °C 
B) 0.215 cal/g °C 
C) 5.34 cal/g °C 
D) 225 cal/g °C 
E) 242 cal/g °C 
A) 0.186 cal/g °C 
B) 0.215 cal/g °C 
C) 5.34 cal/g °C 
D) 225 cal/g °C 
E) 242 cal/g °C

Question 14

What is the chemical symbol for calcium?

Accepted Answer

A) C 
B) Ca 
C) Cl 
D) Cr 
E) Cu 
A) C 
B) Ca 
C) Cl 
D) Cr 
E) Cu

Question 15

A chemist is given an unknown gas sample.Which observation describes a chemical property of the sample?

Accepted Answer

A) It extinguishes a glowing splint. 
B) It has a sharp,stinging odor. 
C) It is colorless. 
D) Its density is greater than that of air. 
E) It weighs 11.2 grams. 
A) It extinguishes a glowing splint. 
B) It has a sharp,stinging odor. 
C) It is colorless. 
D) Its density is greater than that of air. 
E) It weighs 11.2 grams.

Question 16

Which value is closest to the amount of gasoline in a small car with a full tank (which contains about 13 gallons)?

Accepted Answer

A) 450 mL 
B) 50 L 
C) 85 μL 
D) 12 kL 
E) 3.5 × 102 dL 
A) 450 mL 
B) 50 L 
C) 85 μL 
D) 12 kL 
E) 3.5 × 102 dL

Question 17

Which of the following is a chemical property of aspirin?

Accepted Answer

A) It does not decompose when protected from moisture. 
B) It does not readily dissolve in water. 
C) It can be compressed into tablets when mixed with cornstarch. 
D) It melts at 135°C. 
E) It is a white crystalline solid in pure form at room temperature. 
A) It does not decompose when protected from moisture. 
B) It does not readily dissolve in water. 
C) It can be compressed into tablets when mixed with cornstarch. 
D) It melts at 135°C. 
E) It is a white crystalline solid in pure form at room temperature.

Question 18

A pure substance

Accepted Answer

A) always has the same elemental composition. 
B) is composed of more than one element. 
C) can be broken into its components by physical means. 
D) is chemically inert. 
E) changes color when placed in bright sunlight. 
A) always has the same elemental composition. 
B) is composed of more than one element. 
C) can be broken into its components by physical means. 
D) is chemically inert. 
E) changes color when placed in bright sunlight.

Question 19

When the prefix milli is used in the metric or SI system,a fundamental unit of measurement is multiplied by what factor?

Accepted Answer

A) 10-3 
B) 10-2 
C) 10-6 
D) 103 
E) 106 
A) 10-3 
B) 10-2 
C) 10-6 
D) 103 
E) 106

Question 20

The formula for calcium sulfate,CaSO4,represents a compound composed of

Accepted Answer

A) two atoms of calcium,four atoms of sulfur,and four atoms of oxygen. 
B) one atom of calcium,four atoms of sulfur,and four atoms of oxygen. 
C) one atom of calcium,one atom of sulfur,and four atoms of oxygen. 
D) one atom of calcium and four atoms of sulfate. 
E) one atom of calcium and one atom of sulfate. 
A) two atoms of calcium,four atoms of sulfur,and four atoms of oxygen. 
B) one atom of calcium,four atoms of sulfur,and four atoms of oxygen. 
C) one atom of calcium,one atom of sulfur,and four atoms of oxygen. 
D) one atom of calcium and four atoms of sulfate. 
E) one atom of calcium and one atom of sulfate.

Exam 1: Matter and Measurements

What is the symbol for tungsten?

The measurement most likely to describe the amount of pain reliever in a headache tablet is

What is the specific heat of a metal if it takes 26.5 calories to raise the temperature of a piece weighing 50.0 g by 5.00 Celsius degrees?

The dosage of quinine when a 145-lb adult takes a 200.-mg tablet is ________ μg drug per kg of body weight.

What is the density of a 6.0 × 102 mL liquid sample that weighs 450 g?

Which of the following can be classified as a pure compound?

The volume of a gas sample is recorded as 0.0970 L.How many significant figures is this?

Which of the following is a physical property?

1-butanethiol,one of the compounds giving skunks their distinctive odor,freezes at -115.7°C and boils at 98.5°C.What is its phase at 37°C,the normal body temperature of humans?

Which term does not describe a conversion between states of matter?

The SI unit for volume is ________ and the metric unit for volume is ________.

Which measurement represents the largest quantity?

What is the specific heat of a metal if it takes 48.4 calories to raise the temperature of a 45.0 g sample by 5.0°C?

What is the chemical symbol for calcium?

A chemist is given an unknown gas sample.Which observation describes a chemical property of the sample?

Which value is closest to the amount of gasoline in a small car with a full tank (which contains about 13 gallons)?

Which of the following is a chemical property of aspirin?

A pure substance

When the prefix milli is used in the metric or SI system,a fundamental unit of measurement is multiplied by what factor?

The formula for calcium sulfate,CaSO4,represents a compound composed of

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Amines

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

What is the density of a 6.0 × 10² mL liquid sample that weighs 450 g?

The SI unit for volume is and the metric unit for volume is .

The formula for calcium sulfate,CaSO₄,represents a compound composed of