Pressure Formula (Kinetic Theory)
Formula: P = (1)/(3) nm v² = (2)/(3) n k Conditions: Ideal gas, statistical law for a large number of molecules. Explanation: Derives macroscopic pressure P fr…
Syllabus path: Thermal Physics › Kinetic Theory of Molecules
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CSCA Physics Formula Reference
Formula and explanation
Formula: P = (1)/(3) nm v² = (2)/(3) n k Conditions: Ideal gas, statistical law for a large number of molecules. Explanation: Derives macroscopic pressure P from kinetic theory, relating it to molecular number density n, molecular mass m, and average translational kinetic energy k.
Related tutorial and examples
Kinetic Theory of Molecules
Kinetic Theory of Molecules 1. Concepts and Core Ideas The Kinetic Theory is the foundation of thermal physics, explaining macroscopic phenomena via microscopic structure. It is based on three postulates: 1. Matter is composed of particles: Diameter ≈ 10⁻¹⁰ m. Avogadro constant (…
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