Khan Academy on a Stick
Proof: U=(3/2)PV or U=(3/2)nRT
Conceptual proof that the internal energy of an ideal gas system is 3/2 PV.
Thermodynamics
- 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
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