Density table

Questions

  • Which of the following has the largest density?
    • A material that has a mass of 10.0 g and a volume of 2.00 L
    • A material that has a mass of 6.13 g and a volume of 5 mL
    • A material that has a mass of 5 g and a volume of 10.0 cm^3
    • A material that sinks in ethanol but floats in water

  • A room measures 22 feet in width. What is the distance in meters? 1 in = 2.54 cm
    • 72m
    • 4.7m
    • 1.0m
    • 6.7m

  • How many ounces of mercury are in 1.0 m^3 of mercury? Hint: 1 oz = 28.35 g.
    • 6.5 * 10^6 oz
    • 4.8 * 10^5 oz
    • 5.2 * 10^4 oz
    • 6.5 * 10^4 oz
    • 48 oz
  • Determine the mass of 2.5 cups of water if the density of water is 1.00 g/cm^3 and 1 cup = 240 mL
    • 2.5 g
    • 6.0 * 10^2
    • 1.0 * 10^-2
    • 2.4 * 10^2
    • 1.0 * 10^2
  • A cube of aluminum (density = 2.7 g/mL) has a mass of 17.2 g. What is the edge length of the cube?
    • 6.34 cm
    • 1.85 cm
    • 2.58 cm
    • 3.59 cm
  • Which of the following is FALSE?
    • The mole can be used to specify Avogadro’s number of anything
    • Avogadro’s number, 6.022 * 10^23, is an exact number.
    • The mole is equal to the number of atoms in exactly 12 g of carbon-12.
    • The value of an element’s molar mass in grams per mole is numerically equal to the element’s atomic mass in amu.
  • Place the following types of electromagnetic radiation in order of decreasing energy
    • radio waves > infrared light > gamma rays
    • gamma rays > infrared light > radio waves
    • radio waves > gamma rays > infrared light
    • gamma rays > radio waves > infrared light
  • Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.88 * 10^14 Hz.
    • 229 nm
    • 436 nm
    • 206 nm
    • 485 nm
    • 675 nm
  • How many moles of Kr are contained in 398 mg of Kr?
    • 4.75 * 10^-3 moles Kr
    • 33.4 moles Kr
    • 2.11 * 10^-4 moles Kr
    • 2.99 * 10^-3 moles Kr
    • 1.19 * 10^-4 moles Kr
  • Calculate the mass (in kg) of 4.87 * 10^25 atoms of Zn
    • 5.29 kg
    • 1.89 kg
    • 8.09 kg
    • 1.24 kg
    • 1.09 kg