Question

Balance the following skeletal chemical equations. (Use the lowestpossible coefficients.)
(a) Al(s) + H2SO4(aq) Al2(SO4)3(s) + H2(g)

(b) CH4(g) + O2(g) CO2(g) + H2O(g)

(c) KClO3(s) KCl(s) + O2(g)

(d) MnO2(s) + HCl(aq) Cl2(g) + MnCl2(aq) + H2O(l)