Ideal Gas Law PRoblems

# Ideal Gas Law PRoblems - The helium in a 1.5 L flask at...

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Gas law problems 1. A sample of gas occupies 14.3 L at 19 C and 1.2 atm. How many moles of gas are present? 2. How many moles of Hydrogen gas are present in a 50 L cylinder if the pressure is 10 atm and the temp is 27 C? R=.082 liter-atm/mol-K 3. What volume will a gas occupy if there are 6.2 moles at 190 C and .1 atm of pressure? 4. A cylinder contains oxygen at a pressure of 10 atm and a temperature of 300K. The volume of the cylinder is 10 L. What is the mass of the oxygen (you will have to obtain answer and then go from Mto G)? 5. What is the resulting volume if 2.5moles of gas at 2 atm is brought to 273K ? Name:

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Unformatted text preview: The helium in a 1.5 L flask at 298K exerts a pressure of .5atm. How many moles of helium are there in the flask? 7. The balloon used by Charles in his historic flight in 1783 was filled with 1300 moles of H2. If the temp of the gass was 20 C, and its pressure was .95atm, what was the volume of the balloon? 8. What is the resulting volume if 10L of a gas at 546K and 2 atm is brought to 273K and 1 atm? 9. What is the resulting pressure of a 10L of gas at 546 K and 2 atm is brought to 2 L and 273 K? 10. What is the resulting temperature if 10 L of gas at 546 K and 2 atm is brought to 2L and 3 atm?...
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## This note was uploaded on 10/04/2010 for the course CHEM 145 taught by Professor Prezhdo during the Fall '08 term at University of Washington.

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Ideal Gas Law PRoblems - The helium in a 1.5 L flask at...

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