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Homework Help: Saturation vapour pressure equation formula

  1. Oct 21, 2015 #1
    Pws=1000⋅e[[52.58]-[6790.5/T]-[5.028lnT]]
    T= temprerature in Kelvin
    Pws= Saturation vapour pressure
    I plugged in my temperature to the formula in Kelvin, I couldn't arrive at the correct answer. How do you get the e value of the equation (superscript above).
    My problem could be the trigonometry, or the unit conversion? I am inviting anyone who is knowledgable with this subject matter. Thank you.
     
  2. jcsd
  3. Oct 21, 2015 #2
    I assume this is Pws=1000e(52.58-6790.5/T-5.028lnT) where e is 2.71828 as in ln(e)=1.

    What answer did you get for what T?
     
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