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Homework Help: Volume of air in lungs

  1. Oct 16, 2011 #1
    1. The problem statement, all variables and given/known data

    After emptying her lung, a person inhales 4.1 L of air at 0.0 oC and holds her breath.
    How much does the volume of the air increase as it warms up to her body temperature at 37 o?

    2. Relevant equations
    No equation through my notes I could find

    3. The attempt at a solution
    I figured in since the person is holding breath the volume doesnt change unless they were to release therefore keeping the volume at 4.1L
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Oct 16, 2011 #2


    User Avatar

    Staff: Mentor

    I think you probably are intended to consider the pressure remaining constant at prevailing atmospheric pressure. The inhaled air expands as it warms, so that when you are about to exhale, you have more volume to empty.

    You can use Charles' Law or the general gas law.
    Last edited: Oct 16, 2011
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