Thermodynamics (part 1)

Thermodynamics (part 2)

Thermodynamics (part 3)

Thermodynamics (part 4)

Thermodynamics (part 5)

Macrostates and Microstates

Quasistatic and Reversible Processes

First Law of Thermodynamics/ Internal Energy

More on Internal Energy

Work from Expansion

PV-diagrams and Expansion Work

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

Work Done by Isothermic Process

Carnot Cycle and Carnot Engine

Proof: Volume Ratios in a Carnot Cycle

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

Thermodynamic Entropy Definition Clarification

Reconciling Thermodynamic and State Definitions of Entropy

Entropy Intuition

Maxwell’s Demon

More on Entropy

Efficiency of a Carnot Engine

Carnot Efficiency 2: Reversing the Cycle

Carnot Efficiency 3: Proving that it is the most efficient

Enthalpy

Heat of Formation

Hess’s Law and Reaction Enthalpy Change

Gibbs Free Energy and Spontaneity

Gibbs Free Energy Example

More rigorous Gibbs Free Energy/ Spontaneity Relationship

A look at a seductive but wrong Gibbs/Spontaneity Proof

Stoichiometry Example Problem 1

Stoichiometry Example Problem 2

Limiting Reactant Example Problem 1

Empirical and Molecular Formulas from Stoichiometry

Example of Finding Reactant Empirical Formula

Stoichiometry of a Reaction in Solution

Another Stoichiometry Example in a Solution

Molecular and Empirical Forumlas from Percent Composition

Hess’s Law Example