5Zn + 12HNO₃ (10%) → 5Zn(NO₃)₂ + N₂↑ + 6H₂O
N₂ + O₂ = 2NO
2NO + O₂ = 2NO₂
NO₂ + K₂O = KNO₃ + KNO₂
2AgNO₃ = 2Ag + 2NO₂ + O₂
NO₂ + K₂O = KNO₃ + KNO₂
KNO₂ + HCl(разб) = HNO₂ + KCl
2HNO₂ + O₂ = 2HNO₃
8HNO₃(разб) + 3Cu =3Cu(NO₃)₂ + 2NO + 4H₂O
2NO + O₂ = 2NO₂
2KNO₃ = 2KNO₂ + O₂