AP Chemistry - High School General Chemistry - College General Chemistry
Stoichiometry - Molecular Structure & Shape - Intermolecular Forces - Kinetics - Equilibrium - Acids & Bases - Solubility
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Explore the Intro lessons in each unit
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Formula Weights & Mass Percentages
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Lewis Sructures
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Ionic Compounds & Lattice Energy
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Introduction to Kinetics
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The Concept of Equilibrium
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Acid-Base Properties
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The Common Ion Effect
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Solubility and Solubility Product
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Explore 75+ In-depth lessons in 8 core units
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Over 550 video tutorials and worked examples
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AP and standardized test example problems
Our lessons fit the needs of serious chemistry students, whether they are in high school taking chemistry for the first time or more advanced learners in a College Chemistry course.
The Lessons
Explore content rich lessons with written and video resources which target the key concepts needed for success. Comprehensive practice problems and video solutions present the tricks and techniques that have allowed our students to be incredibly successful chemistry learners.
Try the Net Ionic Equations Lesson for Free
Stoichiometry
13 Lessons
Formula Weights & Mass Percentages
Moles and Molar Mass
Mole Conversions
Mole to Gas Volume Conversions
More Difficult Mole Conversions
Mole Map
Empirical Formulas Molecular Formulas
Empirical Formulas of Hydrates
Empirical Formulas Through Combustion
Stoichiometry - Mole Hole
Theoretical & Percent Yields
Limiting & Excess Reactions
Molarity & Stoichiometry
Intermolecular Forces
8 Lessons
Network Covalent Compounds
Metallic Structures
Intermolecular Forces
Identifying Intermolecular Forces
Effects on Physical Properties
Relative Strengths
Solubility
Equlilibrium
13 Lessons
Concept of Equilibrium
Equilibrium Constant
Converting Between Kp and Kc
Manipulating Equilibrium Constants
Equilibrium Constants and Concentrations
Predicting Direction from Reaction Quotient
ICE Tables
Fraction or Percent Reacted
Dealing with Solids
Equilibrium From Either Direction
Le Chatelier's Principle (Concentration)
Le Chatelier's Principle (Pressure, Volume)
Le Chatelier's Principle (Temperature, Catalysts)
The Common Ion Effect
Chemical Buffers
pH Calculations of Buffers
Adding Strong Acids or Bases to Buffers
Determining Concentrations from Titrations
Titration Calculations:
Strong Acid + Strong Base Titrations
Weak Acid + Strong Base Titrations
Weak Base + Strong Acid Titrations
Acid-Base Indicators
Titration Curve Analysis
Formal Charge
Resonance
Electron Domains & VSEPR
Molecular Shapes
Coming Soon:
Molecular Polarity
Covalent Bonding & Orbital Overlap
Hybrid Orbital Theory
Acids & Bases
13 Lessons
Acid Base Properties & Definitions
Conjugate Acids & Bases
Acid & Base Strength
Hydroxide, Hydronium & the pH Scale
pH of Strong Acids & Bases
pH of Weak Acids
Percent Ionization
Polyprotic Acids
pH of Weak Bases
The Ka & Kb relationship
The Acidity of Salt Solutions
pH Calculation for Salt Solutions
pH and Molecular Structure
New Lessons Constantly Added
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