Gas Laws Quiz #1

8 Questions  I  By Robert Stine
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 Gas Laws Quiz #1
Quiz on gas laws # 1 includes questions on Boyle' s Law. Charles ' Law, Lussac' s Law,and the Combined Gas Law. Identify the law you need to solve the problem and solve the problem. Use classroom rules for rounding and include units in your answer. Example: If 6 liters of a gas at 2. 0 atm is compress the gas to have a new volume of 5 liters,what is the new pressure? This is a Boyle 's Law Problem so P1V1 = P2V2(2. 0)(6) = (P2)(5)P2 = 2. 4Express the answer as 2. 4 atmNote rounding is important numbers greater than 1 are rounded to the tenths place (1 = 1. 0, 5. 85 = 5. 9 etc. . . ) and numbers less than 1 are rounded to one place after the first non zero (0. 000567 = 0. 00057, 02875 = 0. 29)Units are expressed after the number as above. Include a more

  
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  • 1. 
    A gas in a balloon that has a volume of  5 L is at a pressure of 0.7atm. The gas is able to expand at a constant temp of 10 degrees Celsius until the pressure is at 0.5atm. What is the final volume of the box?

  • 2. 
    A 3.5 L sample of an unknown gas is at a pressure of 900kPa. If the pressure increases to 1013 kPa at a constant temperature of 150 degrees kelvin, What will the new volume be?

  • 3. 
    A gas occupies 15 L at a pressure of 80 mm-Hg. What is the volume when the pressure is increased to 525 mm-Hg?

  • 4. 
    A gas occupies 10 L at an unknown pressure. What is the initial pressure, if the final volume is 5L and the pressure is 5atm?

  • 5. 
    . A gas occupies 15 L at a pressure of 5 atm. What is the volume when the pressure is increased to 10 atm but the temperature remains at 273 degrees kelvin?

  • 6. 
    A gaseous sample of carbon dioxide occupies a volume of 3.27 L at a temperature of 20 degrees Celsius. If the pressure remains constant, what is the temperature in Kelvin if the volume lowers to 3L?

  • 7. 
    What is the temperature in Kelvin when a gas that occupies 1L at 15 degrees Celsius is compressed to .5L?

  • 8. 
    A 700 ml sample of helium is warmed from 60 to 80 degrees Celsius. What is the new volume in mL of the sample if the pressure remains as a constant, of 5 atm.

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