Download Page  

The lessons, listed below, are FREE to download and print. 

"Book versions" of the lessons are also available.   You can take either the time and ink to print all 1,200 pages yourself, or you can buy a book version.  The book is "non-profit."  Click HERE for book information. 

You will need Acrobat Reader for the downloads.  If you have trouble downloading, ask a "computer person" for help.  The file size is up to 1 MB. 

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. 

SOME of the downloads have two versions:

• The first is a book version that works well if you are printing pages to work from.

• The second may work better if you are "working off the screen."

Try both versions and see which works for you.

*  *  *  *  *

1.  A listing of the current Table Of Contents

2.   New Prep Chem single-volume book.

A new single volume of the ChemReview lessons with content selected for Preparatory Chemistry sections is now available.  For more information, click here.

*  *  *  *  *

Download ONE ( revised 2/21/11) includes:

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:  More Metric Prefixes  - revised  10/17/10

Lesson 2C:  Cognitive Science -- and Flashcards 

Lesson 2D:  Calculations With Units  

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

Lesson 4F:  Review Quiz -- Modules 1-4  

Download TWO to print  or 

Download TWO to "work off the screen" 

includes:

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 

Lesson 7C:  Names and Formulas for Ionic Compounds

Lesson 7D:  Naming Acids  -- added  11/17/09

Lesson 7E:  Review Quiz -- Modules 5-7

Download THREE  ( 2 /28/11 )

includes:

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  

Lesson 10G - Percent Yield  -- added  11/21/09

Lesson 10H - Limiting Reactants  -- revised  11/19/09

Lesson 10I  - Mixtures After Reaction  -- revised  10/12/09

Lesson 10J  - Review Quiz -- Modules 8-10  

Download FOUR ( updated  5 /28/11 )

includes:

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  

Lesson 12D - Stoichiometry For Ratio Units 

Lesson 12E:  Review Quiz -- Modules 11-12  

Module 13 - Solubility and Precipitation  (revised 3/4/11)

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  

Module 14 - Acid-Base Neutralization (2/25/10)

Lesson 14A – Ionization of Acids and Bases

Lesson 14B – Balancing Acid-Base Neutralization

Lesson 14C – Acid-Hydroxide Calculations 

Lesson 14D – Neutralization in Parts 

Lesson 14E – Carbonate Neutralization

Module 15 - Redox Balancing  (revised 2/25/10)

Lesson 15A:   Oxidation Numbers

Lesson 15B:   Half Reactions

Lesson 15C:   Oxidizing and Reducing Agents

Lesson 15D:   Balancing Redox Using Oxidation Numbers

Lesson 15E:   Redox Stoichiometry  

Module 16 - Redox Balancing With Half-Reactions (12/28/09)

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

Lesson 16E:   Review Quiz -- Modules 13-16

Download FIVE (revised 3/13/11)

includes:

Module 17 - Gas Laws

Lesson 17A:  Gas Fundamentals

Lesson 17B:  Gases at STP

Lesson 17C:  Complex Unit Cancellation

Lesson 17D:  The Ideal Gas Law and Solving Equations

Lesson 17E:  Choosing Consistent Units - added  3/13/11

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

Lesson 17G:  Using the Combined Gas Formula

Lesson 17H:  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 -- modified  11/26/09 

Lesson 18D:   Dalton’s Law of Partial Pressures

Download KMT (revised 1/22/10)

Module 19 – Kinetic Molecular Theory -- added  10/10/09  

Lesson 19A:     Squares and Square Roots

Lesson 19B:     Kinetic Molecular Theory

Lesson 19C:     Converting to SI Units

Lesson 19D:     KMT Calculations

Lesson 19E:      Graham's Law

Download G (revised 3/3/10)

Module 20 – Graphing  

Lesson 20A:       Graphing Fundamentals

Lesson 20B:       The Specific Equation for a Line

Lesson 20C:       Graphing Experimental Data

Lesson 20D:       Deriving Equations From Linear Data

Lesson 20E:       Linear Equations Not Directly Proportional

Lesson 21F:       Graphing Inverse Proportions

Download SIX  -- updated 3/7/11

Module 21 - Phase Changes, Joules, and Energy

Lesson 21A:   Phases and Phase Changes

Lesson 21B:   Complex Unit Cancellation

Lesson 21C:   Specific Heat Capacity and Equations

Lesson 21D   Energy, Water, and Consistent Units

Lesson 21E:   Calculating Joules Using Unit Conversions

Lesson 21F:   Calorimetry

Module 22 - Heats of Reaction (ΔH)

Lesson 22A:   Energy, Heat, and Work

Lesson 22B:   Exo- and Endothermic Reactions

Lesson 22C:   Adding ΔH equations (Hess's Law)

Lesson 22D:   Heats of Formation 

Download LS --new version 3/16/11

Module 23 - Light and Spectra

Lesson 23A:  Waves

Lesson 23B:  Planck's Constant

Lesson 23C:  The H-Atom Spectrum

Lesson 23D:  Quantum Mechanics

Module 24 - Electron Configuration

Lesson 24A:  The Multi-Electron Atom

Lesson 24B:  Shorthand and Abbreviated Configurations 

Lesson 24C:  The Periodic Table and Electron Configuration 

Lesson 24D:  Ions and Exceptions 

Download B  --updated 3/23/11

Module 25 - Bonding

Lesson 25A:  Lewis (Dot) Diagrams

Lesson 25B:  Molecular Shapes and Bond Angles

Lesson 25C:  Electronegativity

Lesson 25D:  Molecular Polarity

Lesson 25E:  Solubility

Lesson 25F:  Double and Triple Bonds

Lesson 25G:  Lewis Diagrams for Ions and Exceptions

Lesson 25G:  Hybridization Models

Download S  (revised 3/22/10)

Module 26 - Properties of Mixtures -- added 10/22/09

Lesson 26A:  Measures of Solution Composition

Lesson 26B:   Parts Per Million

Lesson 26C:   Colligative Properties and Gas Pressures-

Lesson 26D:   Colligative Properties of Solutions

Download K  (revised 3/1/11)

Module 27 - Kinetics

Lesson 27A:  Kinetics Fundamentals

Lesson 27B:   Rate Laws

Lesson 27C:   Integrated Rate Law --Zero Order-

Lesson 27D:   Base 10 Logarithms

Lesson 27E:   Natural Logarithms

Lesson 27F:   Integrated Rate Law --First Order

Lesson 27G:   Reciprocal Math 

Lesson 27H:   Integrated Rate Law --2nd Order

Lesson 27I:    Half Life 

Download E  (revised 2/10/11)

 Module 28 - Equilibrium

Lesson 28A:  Le Châtelier’s Principle -- modified  2/10/11

Lesson 28B:  Powers and Roots of Exponential Notation

Lesson 28C:  Equilibrium Constants

Lesson 28D:  K Values

Lesson 28E:  Kp Calculations  

Lesson 28F:  The Rice Moles Table   

Lesson 28G:  K Calculations From [Initial Reactants] - 

Lesson 28H:  Q:  The Reaction Quotient 

Lesson 28I:  K Calculations From Mixtures   

Lesson 28J:   Solving Quadratic Equations  

Download SEVEN ( 9/6/10)

Module 29 - Acid-Base Fundamentals 

Lesson 29A:   Acid-Base Math Review

Lesson 29B:   K_w Calculations:  [H+] and [OH--]

Lesson 29C:   Strong Acid Solution

Lesson 29D:  The [OH─]  in Strong Acid Solutions

Lesson 29E:  Strong Base Solutions

Lesson 29F:  The pH System

Download EIGHT  ( 3/27/11)

Module 30 - Weak Acids and Bases -- 

Lesson 30A:   Weak Acids and K_a Expressions

Lesson 30B:   K_a Math 

Lesson 30C:   K_a Calculations

Lesson 30D:   Percent Dissociation

Lesson 30E:   Solving K_a Using the Quadratic Formula

Lesson 30F:   Weak Bases and K_b Calculations

Lesson 30G:   Polyprotic Acids  -

Module 31- Brønsted-Lowry Definitions

Lesson 31A:   Brønsted-Lowry Acids and Bases 

Lesson 31B:   Which Acids and Bases React? 

Download NINE  (4/8/11)

Module 32 - pH of Salts  

Lesson 32A:   The Acid-Base Behavior of Salts 

Lesson 32B:   Salt pH Calculations 

Lesson 32C:   Amphoteric Ions 

Module 33 - Buffers

Lesson 33A:  Acid-Base Common Ions, Buffers

Lesson 33B:   Buffer Example 

Lesson 33C:   Buffer Components 

Lesson 33D:   Buffer Calculations 

Lesson 33E:   Buffer Quick Steps

Lesson 33F:   Henderson-Hasselbalch Equation 

Module 34 - pH During Titration --

Lesson 34A:   pH In Mixtures

Lesson 34B:   pH After Neutralization

Lesson 34C:    pH Behavior During Titration

Lesson 34D:    pH During Strong-Strong Titration  

Lesson 34E:    pH During Strong-Weak Titration

Download TEN  (3/22/11)

Module 35 - Solubility Equilibria

Lesson 35A:   Slightly Soluble Salts 

Lesson 35B:   K_sp Calculations 

Lesson 35C:   Solubility and Common Ions 

Lesson 35D:   Solubility and pH 

Lesson 35E:   Quantitative Precipitation Prediction 

Module 36 - Thermodynamics

Lesson 36A:   Review: Energy and Heats of Reaction

Lesson 36B:   Entropy and Spontaneity

Lesson 36C:   Free Energy 

Lesson 36D:   Standard State Values 

Lesson 36E:   Adding ΔG° Equations

Lesson 36F:   Free Energy at Non-Standard Conditions 

Lesson 36G:   Free Energy and K

Download Elect  ( 7/15/09)

Module 37- Electrochemistry

Lesson 37A:   Redox Fundamentals 

Lesson 37B:   Charge and Electrical Work

Lesson 37C:   Ranking Reducing Agents 

Lesson 37D:   The Nernst Equation 

Lesson 37E:   Predicting Which Redox Reactions Go

Lesson 37F:   Calculating Cell Potential 

Module 38 - Cells and Batteries

Lesson 38A:   Electrochemical Cells

Lesson 38B:   Cell Components

Lesson 38C:   Depleted Batteries and Concentration Cells 

Lesson 38D:   Electrolysis   

Lesson 38E:   Amperage   

For Nuclear Chem, IF you have done Kinetics Lesson 27F on Natural Logs, choose this download:

Download Nuc  (revised 3/10/11)

Module 39 - Nuclear Chemistry

Lesson 39A:   The Nucleus - Review 

Lesson 39B:   Nuclear Reactions 

Lesson 39C:   Radioactive Decay Calculations

For Nuclear Chem, IF you have NOT done Kinetics Lesson 27F on natural log calculations, choose the download below.  The mod below is the Prep Chem version.

Download Nuc+NatLogs

Module 21 - Nuclear Chemistry (revised 3/10/11)

Lesson 21A:   The Nucleus - Review 

Lesson 21B:   Nuclear Reactions 

Lesson 21C:   Fractions and Percents 

Lesson 21D:   Natural Logarithms

Lesson 21E:   Radioactive Decay Calculations

Updated lessons are posted every few weeks.

www.ChemReview.NET