Question 1

Which of the following is NOT a physical property of matter?

Accepted Answer

A) odor 
B) compressibility 
C) flash point 
D) melting point 
E) color 
A) odor 
B) compressibility 
C) flash point 
D) melting point 
E) color C

Question 2

Round 0.052018 to three significant figures.

Accepted Answer

A) 0.05 
B) 0.052 
C) 0.0520 
D) 0.05201 
E) 0.05202 
A) 0.05 
B) 0.052 
C) 0.0520 
D) 0.05201 
E) 0.05202 C

Question 3

A flask contains 145.675 mL of a saline solution.If 24.2 mL of the saline solution are withdrawn from the flask, how should the volume of the saline solution that remains in the flask be reported?

Accepted Answer

A) 121.475 mL 
B) 121.4 mL 
C) 121.5 mL 
D) 122 mL 
E) 121 mL 
A) 121.475 mL 
B) 121.4 mL 
C) 121.5 mL 
D) 122 mL 
E) 121 mL C

Question 4

Where is the uncertainty in the number 101.2°C?

Accepted Answer

A) in the ones place 
B) in the tens place 
C) in the tenths place 
D) in the hundredths place 
E) There is no uncertainty in this number. 
A) in the ones place 
B) in the tens place 
C) in the tenths place 
D) in the hundredths place 
E) There is no uncertainty in this number.

Question 5

What is density?

Accepted Answer

A) the ratio of the number of particles of a substance to the volume of the solution in which it is dissolved 
B) the ratio of the mass of a substance to the volume of the substance 
C) the ratio of the volume of a substance to the mass of the substance 
D) the ratio of the moles of a substance to the volume of the solution in which it is dissolved 
E) the measure of the amount of heat an object contains 
A) the ratio of the number of particles of a substance to the volume of the solution in which it is dissolved 
B) the ratio of the mass of a substance to the volume of the substance 
C) the ratio of the volume of a substance to the mass of the substance 
D) the ratio of the moles of a substance to the volume of the solution in which it is dissolved 
E) the measure of the amount of heat an object contains

Question 6

Which of the following is FALSE concerning the gas state?

Accepted Answer

A) Gases have no definite shape. 
B) Gases have no definite volume. 
C) Particles are far apart from each other. 
D) Particles are usually in a regular or organized pattern. 
E) When gas molecules collide, they do not lose energy. 
A) Gases have no definite shape. 
B) Gases have no definite volume. 
C) Particles are far apart from each other. 
D) Particles are usually in a regular or organized pattern. 
E) When gas molecules collide, they do not lose energy.

Question 7

1 milligram is equivalent to how many grams?

Accepted Answer

A) 1000 
B) 100 
C) 0.1 
D) 0.01 
E) 0.001 
A) 1000 
B) 100 
C) 0.1 
D) 0.01 
E) 0.001

Question 8

If the density of blood is 1.060 g/mL, what is the mass of 6.56 pints of blood? [1 L = 2.113 pints]

Accepted Answer

A) 3.29 kg 
B) 329 g 
C) 2.93 g 
D) 2930 g 
E) 2.93 kg 
A) 3.29 kg 
B) 329 g 
C) 2.93 g 
D) 2930 g 
E) 2.93 kg

Question 9

Which temperature scale does not use a degree sign?

Accepted Answer

A) Celsius 
B) Kelvin 
C) Centigrade 
D) Fahrenheit 
E) Absolute zero 
A) Celsius 
B) Kelvin 
C) Centigrade 
D) Fahrenheit 
E) Absolute zero

Question 10

If the density of carbon tetrachloride is 1.59 g/mL, what is the volume in L, of 4.21 kg of carbon tetrachloride?

Accepted Answer

A) 0.149 L 
B) 0.378 L 
C) 2.65 L 
D) 6.69 L 
E) 6690 L 
A) 0.149 L 
B) 0.378 L 
C) 2.65 L 
D) 6.69 L 
E) 6690 L

Question 11

In the scientific method, a law carries more weight than a hypothesis.

Accepted Answer

A) True 
 B)False

Question 12

Concentration is a measure of the number or mass of particles of a substance that are contained in a specified volume.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is a chemical property?

Accepted Answer

A) flammability 
B) color 
C) hardness 
D) temperature 
E) melting point 
A) flammability 
B) color 
C) hardness 
D) temperature 
E) melting point

Question 14

What type of property of matter is independent of the quantity of the substance?

Accepted Answer

A) chemical 
B) physical 
C) extensive 
D) intensive 
E) nuclear 
A) chemical 
B) physical 
C) extensive 
D) intensive 
E) nuclear

Question 15

A student records the measurement 4.8 m.What type of measurement was made?

Accepted Answer

A) mass 
B) volume 
C) length 
D) concentration 
E) time 
A) mass 
B) volume 
C) length 
D) concentration 
E) time

Question 16

What statement best describes an intensive property?

Accepted Answer

A) A property of a substance that does not depend on the quantity of the substance present. 
B) A property of a substance that depends on the quantity of the substance present. 
C) A property of a substance that depends on the mass of the substance, but not the volume of the substance. 
D) A property of a substance that depends on the physical state (solid, liquid, or gas) of the substance. 
E) A property of a substance that changes based on the mass of the material that is present. 
A) A property of a substance that does not depend on the quantity of the substance present. 
B) A property of a substance that depends on the quantity of the substance present. 
C) A property of a substance that depends on the mass of the substance, but not the volume of the substance. 
D) A property of a substance that depends on the physical state (solid, liquid, or gas) of the substance. 
E) A property of a substance that changes based on the mass of the material that is present.

Question 17

Which temperature would feel the hottest?

Accepted Answer

A) 100°C 
B) 100°F 
C) 100 K 
D) All temperatures would feel equally hot. 
A) 100°C 
B) 100°F 
C) 100 K 
D) All temperatures would feel equally hot.

Question 18

The cost of a drug is 125 francs per gram.What is the cost in dollars per ounce? [$1 = 6.25 francs and 1 ounce = 28.4 g]

Accepted Answer

A) $0.70/oz 
B) $568/oz 
C) $27.5/oz 
D) $2.22 × 104/oz 
E) $4.65/oz 
A) $0.70/oz 
B) $568/oz 
C) $27.5/oz 
D) $2.22 × 104/oz 
E) $4.65/oz

Question 19

Which of the following terms is most appropriate when classifying an apple?

Accepted Answer

A) pure substance 
B) compound 
C) heterogeneous mixture 
D) homogeneous mixture 
E) solution 
A) pure substance 
B) compound 
C) heterogeneous mixture 
D) homogeneous mixture 
E) solution

Question 20

Which process depicts a physical change?

Accepted Answer

A)    
B)    
C)    
D)    
E) None of the processes above depicts a physical change. 
A)    
B)    
C)    
D)    
E) None of the processes above depicts a physical change.

Exam 1: Chemistry:methods and Measurement

Which of the following is NOT a physical property of matter?

Round 0.052018 to three significant figures.

A flask contains 145.675 mL of a saline solution.If 24.2 mL of the saline solution are withdrawn from the flask, how should the volume of the saline solution that remains in the flask be reported?

Where is the uncertainty in the number 101.2°C?

What is density?

Which of the following is FALSE concerning the gas state?

1 milligram is equivalent to how many grams?

If the density of blood is 1.060 g/mL, what is the mass of 6.56 pints of blood? [1 L = 2.113 pints]

Which temperature scale does not use a degree sign?

If the density of carbon tetrachloride is 1.59 g/mL, what is the volume in L, of 4.21 kg of carbon tetrachloride?

In the scientific method, a law carries more weight than a hypothesis.

Concentration is a measure of the number or mass of particles of a substance that are contained in a specified volume.

Which of the following is a chemical property?

What type of property of matter is independent of the quantity of the substance?

A student records the measurement 4.8 m.What type of measurement was made?

What statement best describes an intensive property?

Which temperature would feel the hottest?

The cost of a drug is 125 francs per gram.What is the cost in dollars per ounce? [$1 = 6.25 francs and 1 ounce = 28.4 g]

Which of the following terms is most appropriate when classifying an apple?

Which process depicts a physical change?

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, Chemical Changes, and the Chemical Equation

States of Matter- Gases, Liquids, and Solids

Solutions

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

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