Balance each of the following reaction equations. If no coefficient is needed, leave the line blank. 1) CH2(g) + H2(g) CH6(8) 2) C(s) + H2O(g) CH4g) + CO2(g) 3) Ca(OH)2(aq) + H3PO4(aq) -> H2O(l) + Ca3(PO4)2(s) 4) C12H22O11(s) + O2(g) -> CO2(g) + HO(g) 5) KCIO3(s) KCl (s) + O2(g)