Write equilibrium law expressions for each of the following equilibrium systems.
a) C6H6(l) + Br2(l) ⇌ C6H5Br(l) + HBr(l)
b) CH3COOH(aq) + H2O(l) ⇌ CH3COO-(aq) + H3O+(aq)
c) H2O(g) + Cl2O(g) ⇌ 2 HOCl(g)
d) 4 NH3(g) + 5 O2(g) ⇌ 4 NO(g) + 6 H2O(g)