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DO NOW

DO NOW. You must be silent and working for credit B e on time E nter silently G rab papers I mmediately start work N o talking. How many days until we reach our big goal? Boyle’s Law says that if pressure goes down, volume goes _______.

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DO NOW

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  1. DO NOW You must be silent and working for credit Be on time Enter silently Grab papers Immediately start work No talking How many days until we reach our big goal? Boyle’s Law says that if pressure goes down, volume goes _______. Solve using Charles’ Law: The initial volume of a gas in a chamber is 20L and the temperature is 277K. If the temperature increases to 310K, what will the final volume be?

  2. DO NOW REVIEW How many days until we reach our big goal? Boyle’s Law says that if pressure goes down, volume goes _______. Solve using Charles’ Law: The initial volume of a gas in a chamber is 20L and the temperature is 277K. If the temperature increases to 310K, what will the final volume be?

  3. THE IDEAL GAS LAW Get your notes ready silently The ideal gas law combines Charles’ Law and Boyle’s law and THENN takes into consideration how much of a gas you have  It is the BE ALL AND END ALL to gas laws and we are doing stuff at the 11th/12th grade level because you guys are awesome!!!

  4. Key Point #1:The ideal gas law equation is PV=nRT P = pressure in atm V = volume in L n = number of moles (aka how much?) R = .0821 ALWAYS T = temperature in K

  5. Key Point #2: A sample of gas at a pressure of 3 atm occupies a volume of 2.0 liters at 27° C. How many moles of the gas are there? GUESS METHOD!

  6. G: U: E: S: S:

  7. NOW YOU HELP ME If 4 moles of a gas at a pressure of 5.4 atm have a volume of 120 L, what is the temperature of the gas? G: U: E: S: S:

  8. INDEPENDENT PRACTICE 0.8 moles of an ideal gas are stored in a 5L container at 1.5atm. What is the Temperature of the gas? How many moles are contained in a 10L Helium gas container at 3.0atm and 200K? 2.0 moles of a gas in an 8L container is at 400K. What is the pressure of this gas?

  9. EXIT TICKET • 1.6 moles of an ideal gas are at 1 atm of pressure and 293K. What is the volume of this gas?

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