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Get out a new sheet of paper and title it “Gas Law Practice #3” And start solving problems:

Get out a new sheet of paper and title it “Gas Law Practice #3” And start solving problems:

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Get out a new sheet of paper and title it “Gas Law Practice #3” And start solving problems:

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  1. Get out a new sheet of paper and title it “Gas Law Practice #3” And start solving problems: 1. If divers rise too quickly from a deep dive, they get a condition called “the bends” which is caused by the expansion of very small nitrogen bubbles in the blood due to decreased pressure. If the initial volume of the bubbles in a diver’s blood is 15 mL and the initial pressure is 12.75 atm and 290 K, what is the volume of the bubbles when the diver has surfaced to 1.00 atm pressure and 295 K? 2. A bag of Tim’s Cascade potato chips is packaged at Seattle (1.00 atm and 550 F ) and has a volume of 315 mL. If this bag of chips is transported to Denver (0.775 atm and 400F), what will the new volume of the bag be? 3. A Los Angeles class nuclear submarine has an internal volume of eleven million liters at a pressure of 1.250 atm and 250 C. If a crewman were to open one of the hatches to the outside ocean while it was underwater (pressure = 15.75 atm, Temperature = 50 C), what be would the new volume of the air inside the submarine? 4. If I have 1.9 moles of gas held at a pressure of 5 atm and in a container with a volume of 50 liters, what is the temperature of the gas?

  2. 5.How many moles of Oxygen gas do I have in 50 L pressurized container of 300 kPa that is at -700C? • 6. What is the molecular weight of a gas if 0.264g occupies a volume of 83.0ml at 24.9 degrees Celsius at .984 atm? (round to sig. figs.) • 7.   The volume of the lungs is measured by the volume of air inhaled or exhaled.  If the volume of the lungs is 2.400 L during exhalation and the pressure is 101.70 KPa, and the pressure during inhalation is 101.01 KPa, what is the volume of the lungs during inhalation?    • 8. If a 0.138 g sample of CO2 is to have a pressure of 4.50 atm when kept in a container with a volume of 30.0 mL, what temperature must it have? • 9. If a gas has a density of 0.018g /L, has a pressure of 2.35 atm and is at 250 Kelvins, then what is the molar mass? What is the gas likely to be? • 10.  It is hard to begin inflating a balloon.  A pressure of 800.0 Kpa is required to initially inflate the balloon 225.0 mL.  What is the final pressure when the balloon has reached it's capacity of 1.2 L?

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