Question 1

Which of the following is NOT a type of mixture?

Accepted Answer

A) homogeneous 
B) heterogeneous 
C) solution 
D) compound 
E) All of the choices are correct. 
A) homogeneous 
B) heterogeneous 
C) solution 
D) compound 
E) All of the choices are correct.

Question 2

What is the appropriate number of significant figures necessary to express the result of the calculation below? (51.6) × (3.1416)

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 3

Which statement is FALSE?

Accepted Answer

A) Mass is an example of an extensive property. 
B) Volume is an example of an extensive property. 
C) Temperature is an example of an intensive property. 
D) An intensive property is one that does not depend upon the amount of the substance. 
E) An extensive property is synonymous with a physical property. 
A) Mass is an example of an extensive property. 
B) Volume is an example of an extensive property. 
C) Temperature is an example of an intensive property. 
D) An intensive property is one that does not depend upon the amount of the substance. 
E) An extensive property is synonymous with a physical property.

Question 4

Air is a/an

Accepted Answer

A) element. 
B) compound. 
C) mixture. 
D) molecule. 
E) pure substance. 
A) element. 
B) compound. 
C) mixture. 
D) molecule. 
E) pure substance.

Question 5

Select the answer that best expresses the result of the following calculation: 1.86 + 246.4 - 79.9208 = ?

Accepted Answer

A) 168 
B) 168.3 
C) 168.34 
D) 168.339 
E) 168.3392 
A) 168 
B) 168.3 
C) 168.34 
D) 168.339 
E) 168.3392

Question 6

Hypotheses are not acceptable in the scientific method.

Accepted Answer

A) True 
 B)False

Question 7

What is the specific gravity of an object that weighs 13.35 g and has a volume of 25.00 mL? The density of water under the same conditions is 0.980 g/mL.

Accepted Answer

A) 1.335 
B) 0.545 g/mL 
C) 0.534 g/mL 
D) 0.545 
E) 0.980 
A) 1.335 
B) 0.545 g/mL 
C) 0.534 g/mL 
D) 0.545 
E) 0.980

Question 8

What is the number 3,000 written in scientific notation using the proper number of significant figures?

Accepted Answer

A) 0.003 × 10−3 
B) 0.3 × 104 
C) 3 × 103 
D) 3 × 10−3 
E) 3.000 × 103 
A) 0.003 × 10−3 
B) 0.3 × 104 
C) 3 × 103 
D) 3 × 10−3 
E) 3.000 × 103

Question 9

Energy may be defined as the heat content of an object.

Accepted Answer

A) True 
 B)False

Question 10

What is the density of a solid object that has the following measurements? mass = 189.6 g, length = 9.80 cm, width = 46.6 mm, height = 0.111 m.

Accepted Answer

A) 0.267 g/mL 
B) 0.374 g/mL 
C) 2.67 g/mL 
D) 3.74 g/mL 
E) 50.7 g/mL 
A) 0.267 g/mL 
B) 0.374 g/mL 
C) 2.67 g/mL 
D) 3.74 g/mL 
E) 50.7 g/mL

Question 11

Which diagram represents a mixture? Note: different colored circles represent atoms of different elements.

Accepted Answer

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

Question 12

What type of change alters the appearance, but not the composition or identity of the substance undergoing the change?

Accepted Answer

A) theoretical 
B) physical 
C) analytical 
D) chemical 
E) nuclear 
A) theoretical 
B) physical 
C) analytical 
D) chemical 
E) nuclear

Question 13

A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight.The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.What volume of the drug should the patient receive? [1 pound = 454 g]

Accepted Answer

A) 0.579 mL 
B) 119 mL 
C) 362 mL 
D) 579 mL 
E) 119 L 
A) 0.579 mL 
B) 119 mL 
C) 362 mL 
D) 579 mL 
E) 119 L

Question 14

Which one of the following is an example of an extensive property?

Accepted Answer

A) density 
B) specific gravity 
C) mass 
D) hardness 
E) boiling temperature 
A) density 
B) specific gravity 
C) mass 
D) hardness 
E) boiling temperature

Which of the following is NOT a type of mixture?

What is the appropriate number of significant figures necessary to express the result of the calculation below? (51.6) × (3.1416)

Which statement is FALSE?

Air is a/an

Select the answer that best expresses the result of the following calculation: 1.86 + 246.4 - 79.9208 = ?

Hypotheses are not acceptable in the scientific method.

What is the specific gravity of an object that weighs 13.35 g and has a volume of 25.00 mL? The density of water under the same conditions is 0.980 g/mL.

What is the number 3,000 written in scientific notation using the proper number of significant figures?

Energy may be defined as the heat content of an object.

What is the density of a solid object that has the following measurements? mass = 189.6 g, length = 9.80 cm, width = 46.6 mm, height = 0.111 m.

Which diagram represents a mixture? Note: different colored circles represent atoms of different elements.

What type of change alters the appearance, but not the composition or identity of the substance undergoing the change?

A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight.The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.What volume of the drug should the patient receive? [1 pound = 454 g]

Which one of the following is an example of an extensive property?

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

Filters

Exam 1: Chemistry:methods and Measurement

Which of the following is NOT a type of mixture?

What is the appropriate number of significant figures necessary to express the result of the calculation below? (51.6) × (3.1416)

Which statement is FALSE?

Air is a/an

Select the answer that best expresses the result of the following calculation: 1.86 + 246.4 - 79.9208 = ?

Hypotheses are not acceptable in the scientific method.

What is the specific gravity of an object that weighs 13.35 g and has a volume of 25.00 mL? The density of water under the same conditions is 0.980 g/mL.

What is the number 3,000 written in scientific notation using the proper number of significant figures?

Energy may be defined as the heat content of an object.

What is the density of a solid object that has the following measurements? mass = 189.6 g, length = 9.80 cm, width = 46.6 mm, height = 0.111 m.

Which diagram represents a mixture? Note: different colored circles represent atoms of different elements.

What type of change alters the appearance, but not the composition or identity of the substance undergoing the change?

A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight.The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.What volume of the drug should the patient receive? [1 pound = 454 g]

Which one of the following is an example of an extensive property?

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

Filters