URGENTE!!!
Efetue os balanceamentos seguintes equações químicas:
a) HCl ~> H2 + Cl2
b) So3 ~> So2 + O2
c) C2H6O + O2 ~> Co2 +H2O
d) Al + HBr ~> ZnBr2 + H2
e) FeS 2(g) + O2(g) ~> Fe2O3(s) + SO2(g)
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