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Standard enthalphy change and hybridisation

  1. Nov 9, 2009 #1
    Hi guys, here i have two question, but i don't understand the answer at all.

    For the standard enthalphy change question 5) b) i) shouldn't it be standard enthalphy change = Product - Reactant? But from the answer it was given as reactant - product.

    For question number 8, i don't understand why Fe2+ still has 6 valence electrons, shouldn't it be 4?

    ques1.jpg

    ques2.jpg
     
  2. jcsd
  3. Nov 10, 2009 #2
    Any help please?
     
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