Unit · year 2
CU-201 · Chemical Thermodynamics
Threads energy · equilibrium25 lectures6 results
Why reactions go: entropy, free energy and the link to equilibrium.
Lectures
| L01 | Thermodynamic Systems and Variables — |
| L02 | Work, Heat, and Internal Energy |
| L03 | The First Law |
| L04 | Enthalpy and Constant-Pressure Processes |
| L05 | Heat Capacities Cv and Cp |
| L06 | Reversible and Irreversible Processes — |
| L07 | Spontaneity: Posing the Question — |
| L08 | Entropy: The Clausius Definition |
| L09 | The Second Law |
| L10 | Entropy Changes in Common Processes |
| L11 | The Third Law and Absolute Entropies |
| L12 | The Entropy of Mixing |
| L13 | Ideal Solutions and Raoult's Law |
| L14 | Colligative Properties |
| L15 | Gibbs Free Energy |
| L16 | ΔG and Spontaneity |
| L17 | Temperature Dependence of ΔG |
| L18 | Chemical Potential — |
| L19 | Free Energy and the Equilibrium Constant |
| L20 | The van 't Hoff Equation |
| L21 | Phase Equilibria and the Phase Rule — |
| L22 | The Clausius–Clapeyron Equation |
| L23 | Applications: Boiling Points and Vapour Pressure |
| L24 | Coupled Reactions and Thermodynamic Driving Force |
| L25 | Synthesis: Why Reactions Go |
Results in this unit
T-032
The first law for chemical systems
Internal energy change as heat plus work.
T-033
Entropy and the second law
Spontaneity as the increase of total entropy.
T-034
Gibbs free energy
G = H - TS decides spontaneity at constant T and P.
T-035
Free energy and the equilibrium constant
The relation dG-standard = -RT ln K.
T-036
The Clausius-Clapeyron equation
How vapour pressure varies with temperature.
T-037
The thermodynamics of mixing
Entropy drives spontaneous mixing of ideal solutions.