#physical chemistry
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Reading water off the page: geometry, orbitals, acidity, and spectra
Water is the most familiar molecule and one of the strangest. This post builds it up from the bottom — where the atoms sit, what the electrons do, why it is both an acid and a base, and how it talks to light.
Understanding the Virial Equation - A Systematic Taylor Expansion of the Ideal Gas Law
An exploration of how the virial equation emerges as a Taylor expansion of the ideal gas law, providing a systematic way to account for molecular interactions in real gases.