Balance the following equations:
(a) K+O2 ->KO2
(b) FeCl2+Na2SiO3 -> NaCl + FeSiO3
(c) F2+AlCl3 -> AlF3 + Cl2
(d) Ca(S) + Br2(l) -> CaBr2(s)
(e) P4(s) + O2(g) -> P4O10(s)
(f) Sb2S3(s) + HCl(aq) -> SbCl3(s) + H2S(g)
(g) Fe2O3(s) + C(s) -> Fe(s) + CO(g)