Posts by Mx

Total # Posts: 7

  1. Chemistry

    Name the straight-chain alkane that is a constitutional isomer of 2,4-dimethylhexane. Pls help
  2. Chemistry

    thnks @ Drew :)
  3. Chemistry

    can u help me with the formula of Cu bsc me temperature is 1056 plssssssssssssssssss help
  4. Chemistry

    Determine for solid manganese (Mn) the following: What is the atomic density (atoms/m) along the [110] direction of the Mn crystal? What are the number of nearest neighbors around an atom in the Mn crystal? Calculate the interplanar spacing (m) between {220} planes in the Mn ...
  5. Chemistry

    can u help me with the formula of Cu bsc me temperature is 1056 plssssssssssssssssss help
  6. Chemistry

    3. Knowing that the energy associated with the formation of 1 mole of vacancies in copper (Cu) is 104 kJ, determine the vacancy density (nv/cm3) in Cu at 1050K. ************************************************************************ nv N+ Ae*ΔHv kT(A + 1) Nv/cm3+Ncm3e*&#...
  7. Math

    The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children?