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rthmjohn

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Topics posted by rthmjohn

  1.  

    What iron compounds in food?

    By rthmjohn, in Biology

    • 0 replies
    • 941 views
  2.  

    light and escape velocity

    By rthmjohn, in Modern and Theoretical Physics

    • 8 replies
    • 2519 views
  3.  

    Al/KClO3 safety 1 2

    By rthmjohn, in Inorganic Chemistry

    • 30 replies
    • 20503 views
  4.  

    Does probability catch up with itself?

    By rthmjohn, in Applied Mathematics

    • 10 replies
    • 3677 views
  5.  

    stains in kitchen sink

    By rthmjohn, in Applied Chemistry

    • 24 replies
    • 12848 views
  6.  

    Chances of dying in a plane crash

    By rthmjohn, in Applied Mathematics

    • 4 replies
    • 9469 views
  7.  

    AC/DC (not the band, mind you)

    By rthmjohn, in Physics

    • 8 replies
    • 1667 views
  8.  

    What is it?

    By rthmjohn, in Brain Teasers and Puzzles

    • 13 replies
    • 3210 views
  9.  

    experiments with silica

    By rthmjohn, in Inorganic Chemistry

    • 6 replies
    • 1394 views
  10.  

    Weak acids/strong bases

    By rthmjohn, in Chemistry

    • 6 replies
    • 2216 views
  11.  

    Trying to get my chem teacher fired

    By rthmjohn, in Chemistry

    • 12 replies
    • 9158 views
  12.  

    dichlorine monoxide

    By rthmjohn, in Chemistry

    • 3 replies
    • 8077 views
  13.  

    NaF(aq) + HCl(aq) --> ?

    By rthmjohn, in Chemistry

    • 13 replies
    • 40264 views
  14.  

    New Chemical Restrictions 1 2

    By rthmjohn, in Chemistry

    • 48 replies
    • 6605 views
  15.  

    Trees age and die.

    By rthmjohn, in Biochemistry and Molecular Biology

    • 19 replies
    • 2915 views
  16.  

    Sleep?? 1 2 3

    By rthmjohn, in Biochemistry and Molecular Biology

    • 53 replies
    • 9153 views
  17.  

    BO only when you're nervous?

    By rthmjohn, in Anatomy, Physiology and Neuroscience

    • 16 replies
    • 2461 views
  18.  

    Sleep???

    By rthmjohn, in Biochemistry and Molecular Biology

    • 11 replies
    • 2401 views
  19.  

    Demagnetizing a magnet

    By rthmjohn, in Inorganic Chemistry

    • 12 replies
    • 11139 views
  20.  

    Help me, Please!

    By rthmjohn, in Chemistry

    • 5 replies
    • 1404 views
  21.  

    Evaporation and Intermolecular Forces

    By rthmjohn, in Chemistry

    • 2 replies
    • 8136 views
  22.  

    van der waals constants

    By rthmjohn, in Chemistry

    • 3 replies
    • 1808 views
  23.  

    Pornography harmful to mind? 1 2

    By rthmjohn, in Psychiatry and Psychology

    • 41 replies
    • 8827 views
  24.  

    Extracting metals from thermite reactions.

    By rthmjohn, in Inorganic Chemistry

    • 11 replies
    • 2161 views
  25.  

    Reproduction instinctive?

    By rthmjohn, in Evolution, Morphology and Exobiology

    • 11 replies
    • 2609 views
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