Recent content by johnFirst Name

  1. J

    What happened to Robin after season 5 of how I met your mother?

    She went from really hot to average at best.
  2. J

    Please answer this physics motion question?

    A plane travelling at 200 m/s accelerated for 6.20 s during which time it covered a distance of 2.00 km. What was its acceleration.
  3. J

    Chemistry - Lattice Energy?

    The following compounds all display the NaCl structure. (i.e. They are isomorphous.) For each pair, indicate which would have the lattice energy of lesser magnitude 1)MgS or MgSe 2) LiF or NaF 3)SrO or MgO 4)SrO or KI 5) CaO or CaS ?
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