| Équations équilibrées la veille |
Mg(OH)2 + 2 NO2 = Mg(NO3)2 + H2
Fe3O4 + KClO3 + KOH = KFeO4 + H2O + KCl =>
6 Fe3O4 + 13 KClO3 + 18 KOH = 18 KFeO4 + 9 H2O + 13 KCl
K2Cr2O7 + KI + HCl = CrCl3 + I2 + KCl + H2O =>
K2Cr2O7 + 6 KI + 14 HCl = 2 CrCl3 + 3 I2 + 8 KCl + 7 H2O
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
K2Cr2O7 + KOH = K2CrO4 + H2O =>
K2Cr2O7 + 2 KOH = 2 K2CrO4 + H2O
Co(OH)3 + H(NO3) = Co(NO3)3 + H2O =>
Co(OH)3 + 3 H(NO3) = Co(NO3)3 + 3 H2O
Cu(SO)4 + NaOH = Cu(OH)2 + Na2(SO)4 =>
Cu(SO)4 + 2 NaOH = Cu(OH)2 + Na2(SO)4
KSCN + FeCl3 = Fe(SCN)3 + KCl =>
3 KSCN + FeCl3 = Fe(SCN)3 + 3 KCl
Bi2S3 + HCl = BiCl3 + H2S =>
Bi2S3 + 6 HCl = 2 BiCl3 + 3 H2S
C6H14O4 + O2 = CO2 + H2O =>
2 C6H14O4 + 15 O2 = 12 CO2 + 14 H2O
MnO4{-} + H2O + CrCl3 = Cr2O7{2-} + Mn{2+} + H{+} + Cl{-} =>
6 MnO4{-} + 11 H2O + 10 CrCl3 = 5 Cr2O7{2-} + 6 Mn{2+} + 22 H{+} + 30 Cl{-}
K2CO3 + H3AsO4 = K3AsO4 + CO2 + H2O =>
3 K2CO3 + 2 H3AsO4 = 2 K3AsO4 + 3 CO2 + 3 H2O
Zn + N2 + H2O = Zn{2+} + N2H4 + OH{-} =>
2 Zn + N2 + 4 H2O = 2 Zn{2+} + N2H4 + 4 OH{-}
Na2SO4(aq) + Ba(OH)2(aq) = NaOH(s) + BaSO4(aq) =>
Na2SO4(aq) + Ba(OH)2(aq) = 2 NaOH(s) + BaSO4(aq)
C6H8O7 + FeSO4 = FeC6H6O7 + H2SO4 =>
C6H8O7 + FeSO4 = FeC6H6O7 + H2SO4
Mg + HCI = MgCI1 + H2 =>
2 Mg + 2 HCI = 2 MgCI1 + H2
Ba(NO3)2 + Na2S2O3 = BaS2O3 + Na(NO3) =>
Ba(NO3)2 + Na2S2O3 = BaS2O3 + 2 Na(NO3)
KIO3 + KI = K2I2O3 =>
KIO3 + KI = K2I2O3
CH3COOH + Li = CH3COOLi + H2 =>
2 CH3COOH + 2 Li = 2 CH3COOLi + H2
HN2 + O2 = N2 + H2O =>
4 HN2 + O2 = 4 N2 + 2 H2O
NaOH + HSO = NaSO + H2O =>
NaOH + HSO = NaSO + H2O
Cr(OH)3 + Ca(OH)2 = Ca(CrO2)2 + H2O =>
2 Cr(OH)3 + Ca(OH)2 = Ca(CrO2)2 + 4 H2O
Li + MgO = Mg + Li2O =>
2 Li + MgO = Mg + Li2O
NH4ClO4(s) = N2(g) + Cl2(g) + O2(g) + H2O =>
2 NH4ClO4(s) = N2(g) + Cl2(g) + 2 O2(g) + 4 H2O
C6H5NH2 + Br2 = C6H5NH2Br3 =>
2 C6H5NH2 + 3 Br2 = 2 C6H5NH2Br3
SnO + H2SO4 = SnSO4 + H2O =>
SnO + H2SO4 = SnSO4 + H2O
S2O3 + NO3 = SO4 + NO2 =>
S2O3 + 5 NO3 = 2 SO4 + 5 NO2
Hg(SCN)2 + KSCN = K2Hg(SCN)4 =>
Hg(SCN)2 + 2 KSCN = K2Hg(SCN)4
Cu + O2 + H2O + NaCN = Na2Cu(CN)3 + NaOH =>
4 Cu + O2 + 2 H2O + 12 NaCN = 4 Na2Cu(CN)3 + 4 NaOH
CoSO4 + KI + KIO3 + H2O = Co(OH)2 + K2SO4 + I2 =>
3 CoSO4 + 5 KI + KIO3 + 3 H2O = 3 Co(OH)2 + 3 K2SO4 + 3 I2
Ca(OH)2 + HPO2 = Ca(PO2)2 + H2O =>
Ca(OH)2 + 2 HPO2 = Ca(PO2)2 + 2 H2O
Ba(NO3)2(aq) + NaOH(aq) = Ba(OH)2(s) + Na(NO3)(aq) =>
Ba(NO3)2(aq) + 2 NaOH(aq) = Ba(OH)2(s) + 2 Na(NO3)(aq)
Mg + HPO3 = Mg(PO3)2 + H2 =>
Mg + 2 HPO3 = Mg(PO3)2 + H2
Ag2S + NaCN + H2O = Na[Ag(CN)2] + NaSH + NaOH =>
Ag2S + 4 NaCN + H2O = 2 Na[Ag(CN)2] + NaSH + NaOH
CrO3 + HI = CrI3 + I2 + H2O =>
2 CrO3 + 12 HI = 2 CrI3 + 3 I2 + 6 H2O
Ag(NH3) + HNO3 = AgNO3 + NH4 =>
Ag(NH3) + HNO3 = AgNO3 + NH4
CS2(l) + O2(g) = CO2(g) + SO2(g) =>
CS2(l) + 3 O2(g) = CO2(g) + 2 SO2(g)
Fe + KSCN + HCl = FeSCN + H2 + KCl =>
2 Fe + 2 KSCN + 2 HCl = 2 FeSCN + H2 + 2 KCl
CaC2(s) + H2O = Ca(OH)2(ac) + C2H2(g) =>
CaC2(s) + 2 H2O = Ca(OH)2(ac) + C2H2(g)
AlN + HCl = AlCl3 + NH4Cl =>
AlN + 4 HCl = AlCl3 + NH4Cl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CH2OH + NaOH = CH2ONa + H2O =>
CH2OH + NaOH = CH2ONa + H2O
Cr4C3 + HNO3 = Cr(NO3)2 + NO + CO2 + H2O =>
3 Cr4C3 + 44 HNO3 = 12 Cr(NO3)2 + 20 NO + 9 CO2 + 22 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Zn + NaCl = ZnCl2 + Na =>
Zn + 2 NaCl = ZnCl2 + 2 Na
Na2Mn2O7 + Na + H2O = MnO + NaOH =>
Na2Mn2O7 + 8 Na + 5 H2O = 2 MnO + 10 NaOH
Mg(NO3)2 + MgC2O4 + H2SO4 = MgSO4 + (NH4)2SO4 + CO2 + H2O =>
Mg(NO3)2 + 8 MgC2O4 + 10 H2SO4 = 9 MgSO4 + (NH4)2SO4 + 16 CO2 + 6 H2O
CrO3 + Si = Cr + SiO2 =>
2 CrO3 + 3 Si = 2 Cr + 3 SiO2
Ca(CH3COO)2 + NaOH = Ca(OH)2 + NaCH3COO =>
Ca(CH3COO)2 + 2 NaOH = Ca(OH)2 + 2 NaCH3COO
CH3OOH + LiOH = LiCH3OO + H2O =>
CH3OOH + LiOH = LiCH3OO + H2O
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Équations équilibrées sur10/23/24
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