Eprecicio. Exprese la constante de oquilibiro m$$s conventente para cada reaccioin.

$N{H}_3(g)+HCl(g)N{H}_{4}Cl(s)$

$Mg(s)+\frac{1}{2}{O}_2(g)MgO(s)$

$C{H}_{3}C{O}_{2}H(ac)+H_{2}O(l)=C{H}_{3}C{O}_2^{-}(ac)+H_3{O}^{+}(ac)$

$2N{O}_2(g)N_2{O}_4(g)$

$($:$A{g}^{+}(ac)+C{l}^{-}(ac)AgC{l}^2\}$

$($:$4Cu{O}_s\}$

$C{H}_4(g)+H_{2}O(g)CO(g)+3H_2(g)$