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Chemistry I - Simple and Combined gas laws

Quiz by Devon Roesener

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11 questions
Show answers
  • Q1
    Convert 18.4 in. Hg. to torr
    4670 torr
    46.7 torr
    418 torr
    467 torr
    300s
  • Q2
    A gas has a volume of 5.7 L at a pressure of 3.2 atm. What is its volume at 4.7 atm? (Assume constant pressure)
    2.9 L
    3.9 L
    8.4 L
    2.6 L
    300s
  • Q3
    A sample of gas has a volume of 2.80 L at an unknown temperature. When the sample is submerged in ice water at t = 0 degrees Celsius, its volume decreases to 2.57 L What was its initial temperature (in Kelvins and in Celsius)? Assume a constant pressure. (to distinguish between the two temperature scales, use t for temperature in degrees Celsius and T for temperature in Kelvins)
    297 K and 24 degrees Celsius
    247 K and 29 degrees Celsius
    0.0264 K and - 273 degrees Celsius
    38.0 K and -235 degrees Celsius
    300s
  • Q4
    A sample of gas has an initial volume of 2.4 L at a pressure of 855 mm Hg and a temperature of 298 K. If the gas is heated to a temperature of 387 K and expanded to a volume of 4.1 L, what is its final pressure in millimeters of mercury?
    1.1 X 10 ^3 mm Hg
    1.9 X 10^2 mm Hg
    3.9 X 10 ^2 mm Hg
    6.5 X 10^2 mm Hg
    300s
  • Q5
    A 4.8 L sample of helium has contains 0.22 mol of helium. How many additional moles of helium gas should you add to the sample to obtain a volume of 6.4 L? Assume constant temp and pressure.
    0.29 mol
    0.07 mol
    0.05 mol
    0.17 mol
    300s
  • Q6
    Kinetic molecular theory is consistent with which properties of gases:
    They are compressible, assume shape a volume of their container, have low densities compared to solids and liquids
    have energy proportional to volume, take up a lot of space, move at random
    gas particles move in a straight line, have higher density compared to liquids, assume volume of their container
    gas particles move at random, gas particles attract each other, are proportional to temperature
    300s
  • Q7
    Which equation represents the Avogadro's law?
    V1P1/T1 = V2P2/T2
    V1P1 = V2P2
    V1/n1 = V2/n2
    V1/T1 = V2/T2
    300s
  • Q8
    Which equation represents Charles' Law?
    V1/n1 = V1/n2
    V1/T1 = V2/T2
    V1P1 = V2P2
    V1P1/T1 = V2P2/T2
    300s
  • Q9
    Which equation represents Boyle's Law?
    V1P1 = V2P2
    V1/T1 = V2/T2
    V1/n1 = V1/n2
    V1P1/T1 = V2P2/T2
    300s
  • Q10
    Which equation represents Gay-Lussac's Law?
    V1/T1 = V2/T2
    V1P1/T1 = V2P2/T2
    V1P1 = V2P2
    P1/T1 = P2/T2
    300s
  • Q11
    Which equation represents the combined gas law?
    V1P1 = V2P2
    V1/T1 = V2/T2
    V1/n1 = V2/n2
    V1P1/T1 = V2P2/T2
    300s

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