a) Mn + O2= MnO2
b) Aq2O= Aq + O2
c) S + O2= SO2
d) 2Br2 + 7O2 → 2Br2O7
1. 2Ba + O= 2BaO
1.1 BaO + H20 = Ba(OH)2
2. S + O2=SO2
2.1 SO2 + H2O = H2SO3
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Verified answer
a) Mn + O2= MnO2
b) Aq2O= Aq + O2
c) S + O2= SO2
d) 2Br2 + 7O2 → 2Br2O7
1. 2Ba + O= 2BaO
1.1 BaO + H20 = Ba(OH)2
2. S + O2=SO2
2.1 SO2 + H2O = H2SO3