Which of the following equations is NOT balanced?
- CH4(g) + 202(9) → CO2(g) + 2H2O(g)
-
CU(S) + HNO3(aq) → Cu(NO3)2(aq) + 4H2O(I) + NO(g)
- 2KCIO3(s) → 2KCI(s)+ 3O2(g)
- NaH(s) + H2O(1) → NaOH(aq) +H2(g)
- Na2SO4(aq) + BaCl2(aq) → BaSO4(s) + 2NaCl(aq)