For the decomposition of mercury(II) oxide, HgO, to mercury…

For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen:                                            2HgO(s) → 2Hg(l) + O2(g) ΔGo = 117.1 kJ What is the standard Gibbs free energy of formation (ΔGfo) of mercury(II) oxide?

For the reaction of nitrogen and oxygen to form nitrogen dio…

For the reaction of nitrogen and oxygen to form nitrogen dioxide,                                            N2(g) + 2O2(g) ⇌ 2NO2(g)              Kc = 1.5×103 If the reaction mixture is found to contain 2.0 M NO2 and 0.10 M N2 and 0.10 M O2, what is the value of Q and what does this mean?