1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Calculating deltaH°f

  1. Dec 3, 2008 #1
    1. The problem statement, all variables and given/known data

    The bond energy of O2(g) is 142.0 kJ/mol. Calculate deltaH°f for O(g).

    2. Relevant equations

    3. The attempt at a solution

    no clue
  2. jcsd
  3. Dec 3, 2008 #2
    Hi Nick,
    You have an Oxygen molecule and it asks you for the delta Hf of Oxygen atom ONLY. So, i would suggest you to halve the bond energy of O2.

    Any other suggestions or am I right?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook