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Published byJulianna Davis Modified over 9 years ago
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Ideal Gases
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Ideal Gas vs. Real Gas Gases are “most ideal”… at low P & high T in nonpolar atoms/molecules Gases are “real”… Under low T & high P when they condense
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PV = nRT Volume # moles of gas Ideal Gas Constant Kelvin Temperature Pressure
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Units for V, P, n, and T must match R 0.0821 L atm mol K
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What pressure, in atmospheres, is exerted by 0.325 mol of H 2 gas in a 4,008 mL container at 35 ºC. How many grams of O 2 gas are in a 3.50 L container with a pressure of 1.2 atm at 55 ºC?
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A sample of an unknown gas has a mass of 0.116g. It occupies a volume of 25.0 mL at a temperature of 127 ºC and a pressure of 155.3 kPa. Calculate the molar mass of the gas.
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