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Unformatted text preview: - Response of gas to temperature: All gases at low P expand by same relative amount (for a given Tf and Ti) Avogadro's Law : " Equal volumes of different gases at the same temp and pressure contain equal numbers of particles" but he didn't specify what these "particles" were Bolye: PV = constant Charles: V/T = constant Avogadro: V/n = constant PV/nT= constant = R microscopic principle: Clausius, Maxwell, Boltzmann, invented kinetic molecular theory, a model based on physis 4 principles: 1. Pure gas = large # of molecules where distance between is much greater than size. 2. movement is in random direction, linear, distrib of speeds. 3. No attractive or repulsive forces exerted (const velocity on passing), point charge has no mass, massless panmpom 4. collisions are elastic (no net energy) if gas molecules attract each other, pressure goes down...
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- Fall '08
- Mole, Kinetic theory