N^-IIIH₃ + 2 O₂⁰ → HN^VO₃^-II + H₂O^-II

This is an oxidation-reduction (redox) reaction:

N^-III - 8 e^- → N^V (oxidation)

4 O⁰ + 8 e^- → 4 O^-II (reduction)

Change the oxidation states

Search by reactants (NH₃, O₂)

1 2 3
1.	NH3 + O2 → NO + H2O
2.	NH3 + O2 → N2 + H2O
3.	NH3 + O2 → NO2 + H2O
4.	NH3 + O2 → HNO3 + H2O
5.	CH4 + NH3 + O2 → HCN + H2O
6.	NH3 + O2 → N2O + H2O
7.	NH3 + O2 → H2 + NO
8.	NH3 + O2 → NOO + H2O
9.	NH3 + O2 → H2 + N2O
10.	NH3 + O2 → N2 + NO + H2O
1 2 3

Search by products (HNO₃, H₂O)

1 2 3 4 5 6
1.	HNO2 → HNO3 + NO + H2O
2.	HNO2 + KMnO4 + H2SO4 → HNO3 + MnSO4 + K2SO4 + H2O
3.	NH3 + O2 → HNO3 + H2O
4.	KMnO4 + NO + H2SO4 → HNO3 + MnSO4 + KNO3 + H2O
5.	HNO2 + HBrO3 → HNO3 + H2O + Br2
6.	HMnO4 + HNO2 → Mn(NO3)2 + HNO3 + H2O
7.	K2Cr2O7 + NO + H2SO4 → HNO3 + Cr2(SO4)3 + K2SO4 + H2O
8.	KMnO4 + NO + H2SO4 → HNO3 + MnSO4 + K2SO4 + H2O
9.	HNO + KMnO4 + H2SO4 → HNO3 + MnSO4 + K2SO4 + H2O
10.	HBrO + HNO2 → HNO3 + H2O + Br2
1 2 3 4 5 6

Search by reactants (NH₃, O₂) and by products (HNO₃, H₂O)

1.	NH3 + O2 → HNO3 + H2O
2.	NH3 + O2 → HNO2 + HNO3 + H2O