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Determining the Temperature at which breath condenses

  1. May 27, 2010 #1
    Hey PF, just a question out of my own curiosity that I've been wondering about.

    What type of equations/formulas/ and other things would I need to know to determine at what temperature breath [water vapour from our mouths/lungs] condenses in air ?

    I'm guessing something to do with specific heat values, partial pressure, humidity, and other things.

    Borek suggested Clausius–Clapeyron, but I have no idea how to apply it.

    What would it take for me to somehow "prove" the temperature/ humidity/ air pressure that is required for breath to turn into fog ?

    Thanks and discuss away.
  2. jcsd
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