Question

3. Balance the following equations
(a) H2 + O2 = H2O
(b) SO2 + O2 = SO3
(c) FeSO4 =Fe2O3 + SO2 + SO3
(d) N2 + H2 = NH3
(e) Fe + O2 = Fe2O3

Answer 1

ANSWER IS IN THE IMAGE ABOVE
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Answer 2

a) H2+O2 =2HO
b)SO2+O2=SO4
c) 2FeSO4 =Fe2O3+SO