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    iii) S(s) + O2(g) -----> SO3(g)

    what will be the Kc expression, should we include S or not, I think not because it is not in gaseous state?
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    You don't include solids
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    (Original post by Gnome :))
    You don't include solids
    What If it is in aqueous state
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    For Kc you include liquids, aqueous and gaseous but not solids.
    Kp is gas only.
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    I got 2s+302= 2so3. Am i correct?
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    (Original post by bahonsi)
    I got 2s+302= 2so3. Am i correct?
    yup! but remember that in Kc expression do not include S because is solid.
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    (Original post by otrivine)
    yup! but remember that in Kc expression do not include S because is solid.
    how would i write that?
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    (Original post by bahonsi)
    how would i write that?
    Kc= product/reactants , do same thing but dont include sulphur
 
 
 
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