Question

Balance the following equations:
a) Pb3O4 ------------------- PbO + O2
b) Mg3N2 + H2O -------------------Mg(OH)2 + NH3
c) MnO2 + HCl -------------------MnCl2 + H2O + Cl2
d) H2O2 ------------------- H2O + O2
e) Ca + H2O ------------------- Ca(OH)2 + H2
f) N2 + H2 -------------------NH3
g) S + HNO3 -------------------H2SO4 + H2O + NO2
h) KNO3 ------------------- KNO2 + O2
i) P2O5 + H2O -------------------H3PO4

Answer 1

Answer:2pb3o4=6pbo+3o2

Mg3N2+6H2O=3Mg(OH)2+2NH3

Mno2+4hcl=mncl2+2h2o+cl2

2h2o2=2h2o+o2

Ca+2H2O=Ca(OH)2+H2

N2+3H3=2NH3

S+6HNO3=H2SO4+2H2O+6NO2

2KNO3=2KNO2+O2

P2O5+3H2O=2H3PO4

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Explanation: