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About Johannes van der Waals

Johannes van der Waals was a Dutch physicist born on November 23, 1837. He is known for formulating the van der Waals equation of state, which describes the behavior of real gases and liquids by accounting for molecular size and intermolecular forces. This equation refined the ideal gas law and became foundational to physical chemistry and thermodynamics. Van der Waals earned his doctorate from the University of Utrecht in 1873 with a dissertation on the continuity of the gaseous and liquid states, work that established his reputation in physics. He spent much of his career as a professor at the University of Amsterdam. His contributions to molecular theory and the study of phase transitions earned him the Nobel Prize in Physics in 1910. The van der Waals forces—weak attractions between atoms and molecules—are named in his honor and remain essential to understanding molecular behavior, chemistry, and materials science. He died in 1923.

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