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Standard Temperature and Pressure

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

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

  2. Boyles Law P1V1 = P2V2

  3. Charles’s Law

  4. Gay-Lussac’s Law

  5. Conflux Pictures taken from web site: http://www.aqd.nps.gov/grd/parks/cany/

  6. Absolute zero = 0 K = -273 ºC

  7. Combined Gas Law

  8. Problems • Practice - page 162 • Practice - page 165 • Practice - page 169

  9. 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

  10. Problems • Practice problems page 168 • Practice – page 171

  11. Daltons Law Pt = P1 + P2 + P3 +…….

  12. Daltons Law Pt = P1 + P2 + P3 +……. Pt = x1p1 + x2p2 + x3p3 +……. x = mole fraction p = total pressure

  13. 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

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