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Homework Help: Calculate volume of radon gas that will be in equilibrium

  1. May 1, 2005 #1
    the mean life of radium(226) is 1600 yrs and that of radon (222) is 3.9 days. calculate volume of radon gas that will be in equilibrium qith 1 gram of radium.

    what i dont understand is how do i relate volume to this?
  2. jcsd
  3. May 1, 2005 #2


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    Assume an ideal gas, PV = nRT using standard temperature and pressure (1 atmosphere). If you are looking to match a given answer, try either 0C or 25C as the temperature (converted to Kelvin of course) since both are sometimes used.
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