Standard Temperature and Pressure (STP) 1 atm pressure 0 ºC or 273 K.

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Presentation transcript:

Standard Temperature and Pressure (STP) 1 atm pressure 0 ºC or 273 K

Boyles Law P 1 V 1 = P 2 V 2

Charles’s Law

Gay-Lussac’s Law

Conflux Pictures taken from web site:

Absolute zero = 0 K = -273 ºC

Combined Gas Law

Problems Practice - page 162 Practice - page 165 Practice - page 169

Ideal Gas Law PV = nRT P = pressure V = volume n = number of moles of gas R = Gas constant ( L·Atm / Mol·K) T = Temperature in Kelvin

Problems Practice problems page 168 Practice – page 171

Daltons Law P t = P 1 + P 2 + P 3 +…….

Daltons Law P t = P 1 + P 2 + P 3 +……. P t = x 1 p 1 + x 2 p 2 + x 3 p 3 +……. x = mole fraction p = total pressure

Practice – page 177 A sample of natural gas contains 8.24 moles of methane (CH 4 ) moles of ethane (C 2 H 6 ) and mole of propane (C 3 H 8 ). If the total pressure of the gases is 1.37 atm, what are the partial pressures of the gases

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