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Residence Time of H2S in atmosphere

  1. Sep 12, 2009 #1
    1. The problem statement, all variables and given/known data

    Using the table of atmospheric composition and residence time , calculate the rate of input for N2 and H2S.
    Question 5 answers
    A)N2: 4.1 x 1015 mol/yr; H2S: 9.6 x 1013 mol/yr
    B)N2: 1.4 x 1014 mol/yr; H2S: 9.0 x 109 mol/yr
    C)N2: 4.1 x 1015 mol/yr; H2S: 9.0 x 109 mol/yr
    D)N2: 1.4 x 1014 mol/yr; H2S: 3.3 x 1012 mol/yr


    2. Relevant equations

    Residence time=N/R N=moles R= rate

    Residence time for H2S(1day), H2S(conc)=.05ppb

    3. The attempt at a solution
    I found out the first part fine. I am having a hard time finding the rate of H2S. I started of converting ppb into grams and then getting the moles and dividing by the residence time in years. Any help would be great.
     
  2. jcsd
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