Unformatted text preview: 2 ? Ideal Gas Law Relates pressure, volume, temperature and quantity in a single equation. PV = nRT R = 0.0821 atmL/molK Must work in the units given in the constant! Practice: Use the ideal gas law 1. You have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 L. What is the temperature? 2. If I have an unknown quantity of gas held at a temp of 1195 K in a container with a volume of 25 L and a pressure of 560 atm, how many moles of gas do I have? Conclusions: Use molar volume to determine the density of a gas (22.4 L at STP) Methane bubbles are fun Rate of diffusion small molecules diffuse fastest Gases behave ideally at low pressures and high temperatures Work in the given units for the ideal gas law...
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 Spring '11
 DONAHUE
 Mole, pH

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