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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: http://www.aqd.nps.gov/grd/parks/cany/. Absolute zero = 0 K = -273 º C. Combined Gas Law. Problems.
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Standard Temperature and Pressure (STP) 1 atm pressure 0 ºC or 273 K
Boyles Law P1V1 = P2V2
Conflux Pictures taken from web site: http://www.aqd.nps.gov/grd/parks/cany/
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 (0.0821 L·Atm / Mol·K) • T = Temperature in Kelvin
Problems • Practice problems page 168 • Practice – page 171
Daltons Law Pt = P1 + P2 + P3 +…….
Daltons Law Pt = P1 + P2 + P3 +……. Pt = x1p1 + x2p2 + x3p3 +……. x = mole fraction p = total pressure
Practice – page 177 A sample of natural gas contains 8.24 moles of methane (CH4) 0.421 moles of ethane (C2H6) and 0.116 mole of propane (C3H8). If the total pressure of the gases is 1.37 atm, what are the partial pressures of the gases