Which concept explains the deviation of real gases from ideal behavior?


In spectroscopy, what is the significance of the Franck-Condon principle?


What is the key concept behind the Debye-H?ckel theory in electrochemistry?


Which thermodynamic quantity is maximized at equilibrium for a closed system?


What is the main purpose of the Schr?dinger equation in quantum mechanics?


Which theory explains the shapes of molecular orbitals formed from atomic orbitals?


In quantum chemistry, what does the term 'degenerate orbitals' refer to?


What is the fundamental principle behind the Heisenberg Uncertainty Principle?


Which equation relates the Gibbs free energy to the equilibrium constant?


What is the significance of the partition function in statistical mechanics?