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Length of an interatomic bond in nickel

  1. Oct 5, 2008 #1
    1. The problem statement, all variables and given/known data

    A hanging nickel wire with diameter 0.13 cm is initially 2.6 m long. When a 139 kg mass is hung from it, the wire stretches an amount 1.33 cm. A mole of nickel has a mass of 59 grams, and its density is 8.9 g/cm3.

    2. Relevant equations

    a) What is the length of an interatomic bond in nickel (diameter of one atom)?

    b) Find the approximate value of the effective spring stiffness of one interatomic bond in nickel.

    3. The attempt at a solution

    For Part a) From the mass of one mole and the density you can find the length of the interatomic bond (diameter of one atom), but still i cant figure out how to find the diameter of one atom with the given information. The mass of the atom is in 59e-2 Kg and the density is 8.9e3 Kg/m^3 and the answer should be in m. please help at least with part a. Thanks
  2. jcsd
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