Physical chemistry
Thermodynamics
- What is the difference between ∆G and ∆G°?
- Can the change in internal energy be nonzero if temperature is constant?
- Relation between constant-pressure and constant-volume heat capacities: Cp - Cv = nR
- Derivation of van 't Hoff equation for temperature dependence of equilibrium constant
- Why does the Gibbs free energy only correspond to non-expansion work?
- Deriving a reduction potential from two other reduction potentials
- Enthalpy definitions. What are their main differences?
Chemical kinetics
- Do coefficients matter in rate law?
- Relation between Gibbs energy and net reaction rate
- Does a reaction have to have a rate determining step?
Quantum mechanics and spectroscopy
- Derivation of the Heisenberg uncertainty principle
- What is the physical basis for Hund's first rule?
- Why is manganese(II) coloured although the transition should be spin-forbidden?
- Letter codes in molecular term symbols
- Why don't equivalent hydrogens cause splitting in NMR?
- How to explain the discrepancy between the calculated absorption wavelength within the particle in the box theory and the observed wavelength?
Molecular symmetry/Group Theory
- How do I determine the molecular vibrations of linear molecules?
- Group theoretical condition for an integral to be zero
- Using group theory to make molecular orbital diagrams
- Symmetry representations
- What is the mathematical basis behind the Jahn-Teller effect?
Statistical mechanics
Electronic structure theory
- Why does the 3rd electron shell start filling up with scandium?
- How to find the number of atomic microstates for a given electronic configuration?
