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F09_230_L03_pre[1]

# F09_230_L03_pre[1] - CHEM 230 F09 Lecture 3 Chapter 4 Gases...

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CHEM 230 F09 Lecture 3 Chapter 4: Gases 14.1-14.8 Session Info: 230

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Topics Pressure Measurement Units Gas Laws Relationships between pressure, volume, moles, and temperature Ideal Gas Law Calculations including density and molar mass Solvings stochiometric problems Involving gas volumes Standard Temperature and Pressure
Pressure Units 1 Pa = 1 kg m -1 s -2 1 bar = 10 5 Pa 1 atm = 760 mm Hg* 1 atm = 1.013 x10 5 Pa 1 atm = 14.7 lb in -2 (psi) *mm Hg is pressure exerted by a column of mercury at 15 o C in a standard gravitational field vacuum 760 mm Hg

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Concept Question Relative pressure: Manometer On which side of the manometer (with the red liquid) is the pressure higher? A Left B Right mit Radon Systems http://www.timmitradon.com/feb338.jpg (accessed July 2009)
Radon Colorless, odorless gas that is radioactive and is the leading cause of lung cancer in non-smokers. Scientists are more certain about radon risks than from most other cancer- causing substances. Concentration limit 4 pCi/L

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What height would a column of water be at atmospheric pressure and 298K?

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F09_230_L03_pre[1] - CHEM 230 F09 Lecture 3 Chapter 4 Gases...

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