Download Page  

The lessons are FREE to download and print.  

Two inexpensive  "books versions" of the lessons are also available.   You can take either the time and ink to print all 750 pages yourself, or you can buy a book version.  The book is "non-profit."  Click HERE for book information. 

You will need Adobe Acrobat Reader for the downloads.  If you have trouble downloading, ask a "computer person" for help.  The file size is up to 550 kB.  If you are using a  phone modem, each may take up to 5 minutes to download (be patient).

Download the lessons by 

•  Left clicking on the link, then click "save to disk" in Toolbar, or

•  Right click, choose "save target as."

Either method will store the file on your computer for printing. 

Click on the blue UNDERLINED below to obtain these modules. 

Download ONE (file Chem1-4ExpoMetSfConv.pdf, 7/27/08)

Module 1 - Scientific/Exponential Notation

Lesson 1A:  Moving the Decimal

Lesson 1B:  Calculations Using Exponential Notation

Lesson 1C:  Tips on Complex Calculations

Module 2 - The Metric System

Lesson 2A:  Metric Fundamentals

Lesson 2B:  Calculations With Units  -  added 1/27/08

Lesson 2C:  More Metric Prefixes

Lesson 2D:  Cognitive Science -- and Flashcards -  added 1/9/08

Module  3 - Significant Figures

Lesson 3A:  Rules for Significant Figures

Lesson 3B:  Sig Fig Special Cases

Lesson 3C:  Sig Fig Summary and Practice

Module 4 - Conversion Factors

Lesson 4A:  Conversion Factor Basics

Lesson 4B:  Single Step Conversions

Lesson 4C:  Multi-Step Conversions

Lesson 4D:  English/Metric Conversions

Lesson 4E:  Ratio Unit Conversions

Download TWO (file  Chem5-7WordsAtomsNaming.pdf, revised 7/25/08)  

Module 5 - Word Problems

Lesson 5A:  Answer Units:  Single Or Ratio?

Lesson 5B:  Mining the DATA

Lesson 5C:  Solving for Single Units

Lesson 5D:  Finding the Given

Lesson 5E:  Some Chemistry Examples

Lesson 5F:  Densities of Solids -- Solving Equations 

Module 6 - Atoms, Ions, and Periodicity

Lesson 6A:  Atoms

Lesson 6B:  The Nucleus, Isotopes, and Atomic Mass

Lesson 6C:  Elements, Compounds, and Formulas

Lesson 6D:  The Periodic Table  

Lesson 6E:  A Flashcard System

Module 7 - Writing Names and Formulas

Lesson 7A:  Names of Elements and Covalent Compounds

Lesson 7B:  Naming Ions -Rev. 11/2/07

Lesson 7C:  Names and Formulas for Ionic Compounds

Download THREE (file Chem8-10MolesStoich.pdf, 5/12/08)

Module 8 - Grams and Moles

Lesson 8A:  The Mole

Lesson 8B:  Grams PER Mole (Molar Mass)

Lesson 8C:  Converting Between Grams and Moles

Lesson 8D - Converting Among Particles, Grams, and Moles

Module 9 - Mole Applications

Lesson 9A - Fractions and Percentages

Lesson 9B - Finding Empirical Formulas

Lesson 9C - Mass Fraction, % By Mass, % Composition

Module 10 - Balancing Equations and Stoichiometry 

Lesson 10A - Chemical Reactions and Chemical Equations

Lesson 10B - Balancing Equations

Lesson 10C - Using Coefficients - Molecules to Molecules

Lesson 10D - Moles to Moles Conversions

Lesson 10E - Stoichiometry -Rev. Oct. 17

 07Lesson 10F - Limiting Reactants/Reactants In Excess

Download FOUR (files molarity.pdf, chem13AcidBaseNeut.pdf, chem14-15RedoxPrecip.pdf - updated 5/27/08

Module 11 - Molarity and Solutions 

Lesson 11A - Solving for Ratios

Lesson 11B - Ratio Unit Word Problems

Lesson 11C – Conversions and Careers

Lesson 11D - Molarity  

Lesson 11E -  Units and Dimensions    

Lesson 11F -  Ratios versus Amounts   -

Lesson 11G -  Solving Ratio Units In Parts 

Module 12 - Molarity Applications 

Lesson 12A - Dilution

Lesson 12B - Ion Concentrations

Lesson 12C - Solution Stoichiometry -- -Revised . 5/14/08

(The Modules and Lessons below were re-ordered and re-numbered on Nov. 1, 2007)

Module 13 - Solubility and Precipitation  (revised 5/27/08)

Lesson 13A - Predicting Solubility for Ionic Compounds

Lesson 13B – Total and Net Ionic Equations

Lesson 13C – Combining Ions -- Precipitates

Lesson 13D - Precipitate and Gravimetric Calculations -Rev. 10/17

Module 14 - Acid-Base Neutralization (5/27/08)

Lesson 14A – Ionization of Acids and Bases

Lesson 14B – Balancing Acid-Base Neutralization

Lesson 14C – Acid-Hydroxide Calculations (Rev. 3/28/08)

Lesson 14D – Neutralization in Parts (New 3/28/08)

Lesson 14E – Carbonate Neutralization (New 4/1/08)

Module 15 - Redox Balancing  (revised 1/22/08

Lesson 15A:   Oxidation Numbers

Lesson 15B:   Half Reactions

Lesson 15C:   Balancing Redox Using Oxidation Numbers

Lesson 15D:   Oxidizing and Reducing Agents

Lesson 15E:  Redox Stoichiometry -Added Oct. 17 07

Module 16 - Redox Balancing With Half-Reactions (1/22/08)

Lesson 16A:   Constructing Half-Reactions (CA-WHe! Method)

Lesson 16B:   Balancing by Adding Half-Reactions

Lesson 16C:   Separating Redox Into Half-Reactions

Lesson 16D:   Balancing Redox With Spectators Present

Download FIVE (file chem17-18Gases.pdf --revised 11/12/06)

Module 17 - Gas Laws

Lesson 17A:  Gas Fundamentals

Lesson 17B:  Gases at STP

Lesson 17C:  The Ideal Gas Law and Solving Equations

Lesson 17D:  Density, Molar Mass, and Choosing Equations

Lesson 17E:  Using the Combined Gas Formula

Lesson 17F:  Gas Law Summary and Practice

Module 18 - Gas Reactions, Gas Labs

Lesson 18A:   Charles' Law; Graphing Direct Proportions

Lesson 18B:   Boyle’s Law; Graphing Inverse Proportions

Lesson 18C:   Gas Stoichiometry -Rev. 10/26/07

Lesson 18D:   Dalton’s Law of Partial Pressures

(The Modules and Lessons below were re-ordered and re-numbered on May 26, 2008)

Download G (file chem19Graphing.pdf --revised 6/19/08)

Module 19 – Graphing -- NEW -- Added. 03/25/08

Lesson 19A:       Graphing Fundamentals

Lesson 19B:       The Specific Equation for a Line

Lesson 19C:       Graphing Experimental Data

Lesson 19D:       Deriving Equations From Linear Data

Lesson 19E:       Linear Equations Not Directly Proportional

Lesson 19F:       Graphing Inverse Proportions

Download SIX (chem20-21Heat.pdf), updated 11/12/07

Module 20 - Phase Changes, Joules, and Energy

Lesson 20A:   Phases and Phase Changes --new version 10/26/07

Lesson 20B:   Complex Unit Cancellation

Lesson 20C:   Specific Heat Capacity and Equations

Lesson 20D   Energy, Water, and Consistent Units

Lesson 20E:   Calculating Joules Using Unit Conversions

Lesson 20F:   Calorimetry

Module 21 - Heats of Reaction (ΔH)

Lesson 21A:   Exo- and Endothermic Reactions

Lesson 21B:   Heats of Formation

Lesson 21C:   Adding ΔH equations (Hess's Law)

Download LS --new version 11/14/07

Module 22 - Light and Spectra

Lesson 22A:  Waves

Lesson 22B:  Planck's Constant

Lesson 22C:  The H-Atom Spectrum

Lesson 22D:  Quantum Mechanics

Module 23 - Electron Configuration

Lesson 23A:  The Multi-Electron Atom

Lesson 23B:  Shorthand and Abbreviated Configurations 

Lesson 23C:  The Periodic Table and Electron Configuration 

Lesson 23D:  Ions and Exceptions 

Download B  --updated 11/14/07

Module 24 - Bonding

Lesson 24A:  Lewis (Dot) Diagrams

Lesson 24B:  Molecular Shapes and Bond Angles

Lesson 24C:  Electronegativity

Lesson 24D:  Molecular Polarity

Lesson 24E:  Solubility

Lesson 24F:  Double and Triple Bonds

Lesson 24G:  Lewis Diagrams for Ions and Exceptions

Lesson 24G:  Hybridization Models

Download K (chem25kinetics.pdf) (revised 7/22/08)

Module 25 - Kinetics

Lesson 25A:  Kinetics Fundamentals

Lesson 25B:   Rate Laws

Lesson 25C:   Integrated Rate Law --Zero Order--new ver. 5/12/08

Lesson 25D:   Logarithms

Lesson 25E:   Integrated Rate Law --First Order--new ver. 5/12/08

Lesson 25F:   Reciprocal Math 

Lesson 25G:   Integrated Rate Law --2nd Order---new ver. 5/12/08

Lesson 25H:   Half Life 

Download E  (chem26equilib.pdf) (New Version 7/22/08)

 Module 26 - Equilibrium

Lesson 26A:  Le Châtelier’s Principle

Lesson 26B:  Powers and Roots of Exponential Notation

Lesson 26C:  Equilibrium Constants

Lesson 26D:  K Values

Lesson 26E:  Kp Calculations  

Lesson 26F:  The Rice Moles Table   

Lesson 26G:  K Calculations From [Initial Reactants] --rev. 12/05/07 

Lesson 26H:  Q:  The Reaction Quotient 

Lesson 26I:  K Calculations From Mixtures -- Updated --12/06/07 

Lesson 26J:   Solving Quadratic Equations -- Updated --4/22/08 

Download SEVEN (Chem27AcidBasePH.pdf - 7/22/08)

Module 27 - Acid-Base Fundamentals 

Lesson 27A:   Acid-Base Math Review

Lesson 27B:   K_w Calculations:  [H+] and [OH--]

Lesson 27C:   Strong Acid Solutions - New Version --June 25 08

Lesson 27D:  The [OH─]  in Strong Acid Solutions

Lesson 27E:  Strong Base Solutions

Lesson 27F:  The pH System

Download EIGHT  (file Chem28AcidBaseWeak.pdf, 7/23/08)

Module 28- Weak Acids and Bases -- new version April 25 08

Lesson 28A:   Weak Acids and K_a Expressions

Lesson 28B:   K_a Math    -Added April 25 08

Lesson 28C:   K_a Calculations

Lesson 28D:   Percent Dissociation

Lesson 28E:   Solving K_a Using the Quadratic Formula

Lesson 28F:   Weak Bases and K_b Calculations

Lesson 28G:   Polyprotic Acids  -Added April 24 08

Module 29- Brønsted-Lowry Definitions

Lesson 29A:   Brønsted-Lowry Acids and Bases 

Lesson 29B:   Which Acids and Bases React? 

Download NINE  (file Chem30Buffer.pdf, 7/23/08)

Module 30- Salts and Buffers -- new version July 10, 2008

Lesson 30A:   The Acid-Base Behavior of Salts 

Lesson 30B:   Salt pH Calculations 

Lesson 30C:   Amphoteric Ions 

Lesson 30D:   Buffer Solutions 

Lesson 30E:   Buffer Example 

Lesson 30F:   Buffer Components -- new version June 22

Lesson 30G:   Buffer Calculations -- new version June 22

Lesson 30H:   Henderson-Hasselbalch Equation -- added June 24

Lesson 30I:    pH During Titration -- new version July 17, 2008

Additional lessons are posted every few weeks.

www.ChemReview.NET