Muntaha Nasir CHEMISTRY   -   Physical Chemistry

What does the term 'spin-orbit coupling' describe in atomic structure?

Spin-orbit coupling is the interaction between an electron's spin and its orbital motion around the nucleus.
Muntaha Nasir CHEMISTRY   -   Physical Chemistry

Which technique is used to study the energy levels of electrons in atoms and molecules?

UV-Vis spectroscopy is used to study the energy levels of electrons, especially in transitions between electronic states.
Muntaha Nasir CHEMISTRY   -   Physical Chemistry

What is the significance of the Bohr radius in atomic physics?

The Bohr radius is the average distance between the nucleus and the electron in a hydrogen atom in its ground state.
Muntaha Nasir CHEMISTRY   -   Physical Chemistry

Which concept in thermodynamics is described by the Gibbs phase rule?

The Gibbs phase rule relates the number of phases, components, and degrees of freedom in a thermodynamic system at equilibrium.
Muntaha Nasir CHEMISTRY   -   Physical Chemistry

What is the primary purpose of a catalyst in a chemical reaction?

A catalyst lowers the activation energy of a reaction, increasing the reaction rate without being consumed in the process.
Muntaha Nasir CHEMISTRY   -   Physical Chemistry

In surface chemistry, what does the term 'chemisorption' imply?

Chemisorption involves strong chemical bonding between the adsorbate and the surface, typically involving electron sharing or transfer.
Muntaha Nasir CHEMISTRY   -   Physical Chemistry

What is the main outcome of the Born-Oppenheimer approximation in molecular quantum mechanics?

The Born-Oppenheimer approximation simplifies molecular quantum mechanics by separating nuclear and electronic motions.
Muntaha Nasir CHEMISTRY   -   Physical Chemistry

Which phenomenon is described by the term 'quantum tunneling'?

Quantum tunneling refers to the phenomenon where particles penetrate through a potential energy barrier that they classically shouldn't be able to cross.
Muntaha Nasir CHEMISTRY   -   Physical Chemistry

In solid-state chemistry, what does the term 'band gap' refer to?

The band gap is the energy difference between the valence band and the conduction band in a solid material.
Muntaha Nasir CHEMISTRY   -   Physical Chemistry

What is the principle of microscopic reversibility in chemical kinetics?

The principle of microscopic reversibility states that the pathway of a reaction in the forward direction is the same as that in the reverse direction.

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