Nitrogen was discovered by Daniel Rutherford at 1772 in Scotland. Origin of name: from the Greek words



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Nitrogen was discovered by Daniel Rutherford at 1772 in Scotland. Origin of name: from the Greek words "nitron genes" meaning "nitre" and "forming" and the Latin word "nitrum" (nitre is a common name for potassium nitrate, KNO3)

  • Nitrogen was discovered by Daniel Rutherford at 1772 in Scotland. Origin of name: from the Greek words "nitron genes" meaning "nitre" and "forming" and the Latin word "nitrum" (nitre is a common name for potassium nitrate, KNO3)





N2 = 2N H298 = 945,3 kj/mol

  • N2 = 2N H298 = 945,3 kj/mol

  • 6Li+N2=2Li3N

  • 3Ca+N2 =Ca3N2

  • CI3N +3H20= 3HClO+NH3

  • Na3N + 3H20 = 3NaOH + NH3



Li3N + AlN = Li3AlN2

  • Li3N + AlN = Li3AlN2

  • 5Li3N + Ge3N4 = 3Li5CeN3

  • N2 + 3H2 = 2NH3

  • 2NH4Cl + Ca(OH)2 = 2NH3 + 2H20 + CaCl2



2NH3 = NH4+ + NH2-

  • 2NH3 = NH4+ + NH2-

  • 2H20 = H3O+ + OH-

  • 2Na + 2NH3= 2NaNH2 + H2

  • PCl5 + 8NH3 = PN(NH2)2 + 5NH4Cl

  • S02Cl2 + 4NH3 = S02 (NH2) 2 + 2NH4Cl



NH3 + H20 = NH40H

  • NH3 + H20 = NH40H

  • NH3 + HCl = NH4Cl

  • 2NH3 + H2S04 = (NH4)2S04





2Al + 2NH3 = 2AlN + 3H2

  • 2Al + 2NH3 = 2AlN + 3H2

  • 3Mg + 2NH3 = Mg3N2 + 3H2

  • 2K + 2NH3 = 2KNH2 + H2

  • Ca + NH3 = CaNH + H2



4NH3 + 302 = 2N2 + 6H20

  • 4NH3 + 302 = 2N2 + 6H20

  • 4NH3 + 5O2 = 4NO + 6H20

  • 2NH3 + NaCIO = N2H4 + NaCl + H20

  • NH3 + NaClO = NH2Cl + NaOH

  • NH2Cl + NH3 = NH2-NH2 + HCl

  • NaOH + HCl = NaCl + H20









  • 4KMnO4 + 5N2H4 + 6H2SO4 = 5N2 + 4MnSO4 + 2K2SO4 + 16H2O

  • N2H4 + O2 = N2 + 2H20

  • 3NaNH2 + NaNO3 = NaN3 + 3NaOH + NH3

  • 2NaN2 + H2S04 = 2HN3 + Na2S04

  • N2H4 + HN02 = HN3 + 2H20

  • HNa =H+ + Na- K. = 1.2.10-5



2NaN3 = 2Na + 3N2

  • 2NaN3 = 2Na + 3N2

  • 3HN(N2) + 9HCl + 2Au = 2AuCl3 + 3N2 + 3NH4Cl

  • HN3 + 2KMn04 + 3H2S04 = 15N2 + K2S04 + 2MnS04 + 8H2O

  • HN3 + 4H2 =3NH2

  • HN03 + 6H = NH20H + 2H20

  • NH2OH + HCl = (HONH3)Cl

  • 2NH20H + H2S04 = (HONH3) 2S04



2NH20H + I2 + 2KOH = N2 + 2KI + 4H2O

  • 2NH20H + I2 + 2KOH = N2 + 2KI + 4H2O

  • 2NH20H + 4FeS04 + 3H2S04 = (NH4) 2S04+ 2Fe2 (S04) 3 + 2H2O

  • 3NH20H = H3N + N2 + 3H2O

  • NH4NO3 = N20 + 2H20



2NaN02 + 4Na + 2H20 = Na2N202 + 4NaOH

  • 2NaN02 + 4Na + 2H20 = Na2N202 + 4NaOH

  • 3Cu + 8HNO3 = 2NO + 3Cu(NO3)2 + 4H20

  • NaN02 + FeCI2 + 2HCl = NO + FeCl3 + NaCl + H20

  • 3KN02+KNO3 + Cr203 = 4NO + 2K2Cr04



N2 + O2 = 2NO

  • N2 + O2 = 2NO

  • 2NO + Cl2 = 2NOCI

  • Na + NO= NaNO

  • [Fe(H20)6 ]S04 + NO = [Fe(H2O)5NO]SO4 + H2O

  • NO + NO2 = N203

  • 2HN02 + H2S = S + 2NO + 2H20

  • 5NaNO2 + 2KMn04 + 3H2S04 = 5NaNO3 +2MnS04+K2S04+3H2O



NO + HNO3 = HN03

  • NO + HNO3 = HN03

  • 3HNO2 = HN03 + 2NO + H2O

  • NaN03 + C = NaNO2 + CO

  • NaN03 + Pb = NaNO2 + PbO

  • NaN03 + Fe = NaN02 + FeO

  • Cu + 4HN03 = Cu(N03) + 2NO2 + 2H2O

  • 2Pb(N03)2 = 2PbO + 4NO2 + O2

  • 2NO2 + H2O = HN02 + HN03



2NO2 + 2KOH = KNO2 + KNO3 + H2O

  • 2NO2 + 2KOH = KNO2 + KNO3 + H2O

  • 2HNO3 + P2O5 = 2N205 + 2HPO3

  • 4AgNO3 + 2Cl2 = 2N2O5 + 4AgCl + O2 N2O3 + 203 = N2O5 + 202

  • 2NaNO3 + H2S04 = 2HN03 + Na2S04

  • N2 +O2 = 2NO

  • 4NO + 2H2O + 302 = 4HNO3



N2 + 3H2 = 2NH3

  • N2 + 3H2 = 2NH3

  • 4NH3 + 502 = 4NO + 6H2O

  • 4NO + 2H2O + 3O2 = 4HNO3

  • 4HN03 = 4NO2 + 2H2O + O2

  • NO2 =7HNO3 = 7NO =7N2O = 7N2 =7NH3 (NH4NO3)

  • Au + 3HCl + HN03 = AuCl3 + NO + 2H2O

  • AuCl3 + HCl = H[AuCl4]

  • 6HCl + 2HN03 = 2NO + 3Cl2 + 4H2O

  • 2NO + Cl2 = 2NOCI

  • AuCl3 + NOCI = (NO)[AuCl4]







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