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  1. Elements and Atoms

  2. Introduction to the atom

  3. Orbitals

  4. More on orbitals and electron configuration

  5. Electron Configurations

  6. Electron Configurations 2

  7. Valence Electrons

  8. Groups of the Periodic Table

  9. Periodic Table Trends: Ionization Energy

  10. Other Periodic Table Trends

  11. Ionic, Covalent, and Metallic Bonds

  12. Molecular and Empirical Formulas

  13. The Mole and Avogadro's Number

  14. Formula from Mass Composition

  15. Another mass composition problem

  16. Balancing Chemical Equations

  17. Stoichiometry

  18. Stoichiometry: Limiting Reagent

  19. Ideal Gas Equation: PV=nRT

  20. Ideal Gas Equation Example 1

  21. Ideal Gas Equation Example 2

  22. Ideal Gas Equation Example 3

  23. Ideal Gas Example 4

  24. Partial Pressure

  25. States of Matter

  26. States of Matter Follow-Up

  27. Specific Heat, Heat of Fusion and Vaporization

  28. Chilling Water Problem

  29. Phase Diagrams

  30. Van Der Waals Forces

  31. Covalent Networks, Metallic, and Ionic Crystals

  32. Vapor Pressure

  33. Suspensions, Colloids and Solutions

  34. Solubility

  35. Boiling Point Elevation and Freezing Point Supression

  36. Introduction to Kinetics

  37. Reactions in Equilibrium

  38. Mini-Video on Ion Size

  39. Keq Intuition (mathy and not necessary to progress)

  40. Keq derivation intuition (can skip; bit mathy)

  41. Heterogenous Equilibrium

  42. Le Chatelier's Principle

  43. Introduction to pH, pOH, and pKw

  44. Acid Base Introduction

  45. pH, pOH of Strong Acids and Bases

  46. pH of a Weak Acid

  47. pH of a Weak Base

  48. Conjugate Acids and Bases

  49. pKa and pKb Relationship

  50. Buffers and Hendersen-Hasselbalch

  51. Strong Acid Titration

  52. Weak Acid Titration

  53. Half Equivalence Point

  54. Titration Roundup

  55. Introduction to Oxidation States

  56. More on Oxidation States

  57. Hydrogen Peroxide Correction

  58. Redox Reactions

  59. Galvanic Cells

  60. Types of Decay

  61. Half-Life

  62. Exponential Decay Formula Proof (can skip, involves Calculus)

  63. Introduction to Exponential Decay

  64. More Exponential Decay Examples

  65. Macrostates and Microstates

  66. Quasistatic and Reversible Processes

  67. First Law of Thermodynamics/ Internal Energy

  68. More on Internal Energy

  69. Work from Expansion

  70. PV-diagrams and Expansion Work

  71. Proof: U=(3/2)PV or U=(3/2)nRT

  72. Work Done by Isothermic Process

  73. Carnot Cycle and Carnot Engine

  74. Proof: Volume Ratios in a Carnot Cycle

  75. Proof: S (or Entropy) is a valid state variable

  76. Thermodynamic Entropy Definition Clarification

  77. Reconciling Thermodynamic and State Definitions of Entropy

  78. Entropy Intuition

  79. Maxwell's Demon

  80. More on Entropy

  81. Efficiency of a Carnot Engine

  82. Carnot Efficiency 2: Reversing the Cycle

  83. Carnot Efficiency 3: Proving that it is the most efficient

  84. Enthalpy

  85. Heat of Formation

  86. Hess's Law and Reaction Enthalpy Change

  87. Gibbs Free Energy and Spontaneity

  88. Gibbs Free Energy Example

  89. More rigorous Gibbs Free Energy/ Spontaneity Relationship

  90. A look at a seductive but wrong Gibbs/Spontaneity Proof

  91. Stoichiometry Example Problem 1

  92. Stoichiometry Example Problem 2

  93. Limiting Reactant Example Problem 1

  94. Empirical and Molecular Formulas from Stoichiometry

  95. Example of Finding Reactant Empirical Formula

  96. Stoichiometry of a Reaction in Solution

  97. Another Stoichiometry Example in a Solution

  98. Molecular and Empirical Forumlas from Percent Composition

  99. Acid Base Titration

  100. Spectrophotometry Introduction

  101. Spectrophotometry Example

  102. Hess's Law Example

  103. Vapor Pressure Example

  104. Change of State Example