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Homework Help: What is the lattice energy of LiI? Given the information below.

  1. Dec 14, 2009 #1
    1. The problem statement, all variables and given/known data

    What is the lattice energy of LiI? Given the information below.

    Heat of formation for LiI = -270 kJ/mol

    Heat of sublimation for Li = 159.40 kJ/mol

    Ionization energy for Li = 520 kJ/mol

    Bond dissociation energy for I2 = 149 kJ/mol

    Electron affinity for I = - 295 kJ/mol

    Heat of sublimation for I2 = 48.30 kJ/mol

    2. Relevant equations



    3. The attempt at a solution

    Could someone give me a hint?
     
  2. jcsd
  3. Dec 14, 2009 #2
    This should help tremendously:

    Code (Text):
    http://answers.yahoo.com/question/index?qid=20080121195206AA88t5P
     
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