Chemistry

• 001. Introduction to the atom
• 002. Orbitals
• 003. More on orbitals and electron configuration
• 004. Electron Configurations
• 005. Electron Configurations 2
• 006. Valence Electrons
• 007. Groups of the Periodic Table
• 008. Periodic Table Trends: Ionization Energy
• 009. Other Periodic Table Trends
• 010. Ionic, Covalent, and Metallic Bonds
• 011. Molecular and Empirical Formulas
• 012. The Mole and Avogadro's Number
• 013. Formula from Mass Composition
• 014. Another mass composition problem
• 015. Balancing Chemical Equations
• 016. Stoichiometry
• 017. Stoichiometry: Limiting Reagent
• 018. Ideal Gas Equation: PV=nRT
• 019. Ideal Gas Equation Example 1
• 020. Ideal Gas Equation Example 2
• 021. Ideal Gas Equation Example 3
• 022. Ideal Gas Example 4
• 023. Partial Pressure
• 024. States of Matter
• 025. States of Matter Follow-Up
• 026. Specific Heat, Heat of Fusion and Vaporization
• 027. Chilling Water Problem
• 028. Phase Diagrams
• 029. Van Der Waals Forces
• 030. Covalent Networks, Metallic, and Ionic Crystals
• 031. Vapor Pressure
• 032. Suspensions, Colloids and Solutions
• 033. Solubility
• 034. Boiling Point Elevation and Freezing Point Supression
• 035. Introduction to Kinetics
• 036. Reactions in Equilibrium
• 037. Mini-Video on Ion Size
• 038. Keq Intuition (mathy and not necessary to progress)
• 039. Keq derivation intuition (can skip; bit mathy)
• 040. Heterogenous Equilibrium
• 041. Le Chatelier's Principle
• 042. Introduction to pH, pOH, and pKw
• 043. Acid Base Introduction
• 044. pH, pOH of Strong Acids and Bases
• 045. pH of a Weak Acid
• 046. pH of a Weak Base
• 047. Conjugate Acids and Bases
• 048. pKa and pKb Relationship
• 049. Buffers and Hendersen-Hasselbalch
• 050. Strong Acid Titration
• 051. Weak Acid Titration
• 052. Half Equivalence Point
• 053. Titration Roundup
• 054. Introduction to Oxidation States
• 055. More on Oxidation States
• 056. Hydrogen Peroxide Correction
• 057. Redox Reactions
• 058. Galvanic Cells
• 059. Types of Decay
• 060. Half-Life
• 061. Exponential Decay Formula Proof (can skip, involves Calculus)
• 062. Introduction to Exponential Decay
• 063. More Exponential Decay Examples
• 064. Macrostates and Microstates
• 065. Quasistatic and Reversible Processes
• 066. First Law of Thermodynamics/ Internal Energy
• 067. More on Internal Energy
• 068. Work from Expansion
• 069. PV-diagrams and Expansion Work
• 070. Proof: U=(3/2)PV or U=(3/2)nRT
• 071. Work Done by Isothermic Process
• 072. Carnot Cycle and Carnot Engine
• 073. Proof: Volume Ratios in a Carnot Cycle
• 074. Proof: S (or Entropy) is a valid state variable
• 075. Thermodynamic Entropy Definition Clarification
• 076. Reconciling Thermodynamic and State Definitions of Entropy
• 077. Entropy Intuition
• 078. Maxwell's Demon
• 079. More on Entropy
• 080. Efficiency of a Carnot Engine
• 081. Carnot Efficiency 2: Reversing the Cycle
• 082. Carnot Efficiency 3: Proving that it is the most efficient
• 083. Enthalpy
• 084. Heat of Formation
• 085. Hess's Law and Reaction Enthalpy Change
• 086. Gibbs Free Energy and Spontaneity
• 087. Gibbs Free Energy Example
• 088. More rigorous Gibbs Free Energy/ Spontaneity Relationship
• 089. A look at a seductive but wrong Gibbs/Spontaneity Proof
• 090. Stoichiometry Example Problem 1
• 091. Stoichiometry Example Problem 2
• 092. Limiting Reactant Example Problem 1
• 093. Empirical and Molecular Formulas from Stoichiometry
• 094. Example of Finding Reactant Empirical Formula
• 095. Stoichiometry of a Reaction in Solution
• 096. Another Stoichiometry Example in a Solution
• 097. Molecular and Empirical Forumlas from Percent Composition
• 098. Acid Base Titration
• 099. Spectrophotometry Introduction
• 100. Spectrophotometry Example
• 101. Hess's Law Example
• 102. Vapor Pressure Example
• 103. Change of State Example
• 104. Carbon 14 Dating 1
• 105. Carbon 14 Dating 2