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CHEM 201 - 10.26.07

CHEM 201 - 10.26.07 - V α T o V 1/T 1 = V 2/T 2...

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CHEM 201 – October 26, 2007 Gases o Assume tiny particles moving at random o Volume of particles is negligible o Gas particles act independently o Elastic collision Total kinetic energy is constant Average kinetic energy is proportional Kelvin temperature scale Pressure o Units: 1 atm = 760 mm Hg = 760 torr = Pascals Boyle’s Law (Pressure-Volume Law) o V α 1/ρ o V 1 p 1 = constant = p 2 v 2 Charles’ Law (Temperature-Volume Law) o V/T = constant
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Unformatted text preview: V α T o V 1 /T 1 = V 2 /T 2 Combination of Boyle’s and Charles’ Laws o P 1 V 1 /T 1 = P 2 V 2 /T 2 Avagadro’s Law (Volume-Amount) o V α n o V 1 /n 1 = constant Standard temperature and pressure o 1 mol 22.414 L of the ideal gas o T = 273.15K = 0°C = 32°F o P = 1 atm Gas Constant (R) o PV/nT = constant R = 0.08206 (L-atm)/(mol-K) = 8.314 J/(mol-K) The Ideal Gas Law o PV/nT = R...
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