Thermodynamics and Keq (3)
N2O4 ?2 NO2 DGorxn = +4.8 kJ
Reaction proceeds until DGrxn = 0 - the minimum in G(reaction) - see graph.
At this point, both N2O4 and NO2 are present, with more NO2.
This is a reactant-favored reaction.
file://C:\chem_eve\9_G_N2O4.mov