Chapter 10 - Gases

Pressure = force/area Pop Your Top Atmospheric Pressure 1 atm = 760 mm Hg = 760 torr = 101,325 Pa = kPa

Boyle's Law: PV = k at constant temperature P 1 V 1 = P 2 V 2 All gases that obey Boyle's Law are called ideal gases.

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Charles' Law V/T = k at constant pressure. Temperature must be in Kelvin. V 1 /T 1 = V 2 /T 2

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Avogadro's Law: V = an at constant temperature and pressure. (a = a constant, n = moles) V 1 /n 1 = V 2 /n 2 The Ideal Gas Law: PV = nRT where R = L.atm/mole.K Also the Combined Gas Law P 1 V 1 /T 1 = P 2 V 2 /T 2

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