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March 25, 2017

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The standard molar Gibbs free energy of formation of NO2 (g) at 298 K is 51.30 kJ · mol
−1
and that of N2O4 (g) is 97.82 kJ · mol
−1
.
What is the equilibrium constant at 25

C for
the reaction
2 NO2(g) <=> N2O4(g) ?

  • Chemistry - ,

    dGrxn = (n*dGproducts) - (n*dGreactants)
    Substitute and solve for dGrxn, then
    dG = -RT*lnK
    Substitute and solve for K

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