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Standard entropy of formation

  1. Sep 24, 2007 #1
    1. The problem statement, all variables and given/known data

    Determine the standard entropy of formation at 298 K for :

    O3(g) , ozone at its gaseous state.

    2. Relevant equations
    delta(S) =SUM(c[product] x delta(S)[product]-SUM(c[reactants]*delta(S)[reactant]

    3. The attempt at a solution

    First , I would write out the chemical reaction for ozone at its standard state: O3(g)=>3/2*O2(g) . Looking the standard entropy of reaction table,http://www.webassign.net/wertz/caqs/html/resource/thermo_prop.html, delta(S)= 3/2*(205.03)-238.82= 68.73
  2. jcsd
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