| Équations équilibrées la veille | Équations équilibrées le lendemain |
N2 + 3 H2 = 2 NH3
LiOH + CH3COOH = LiCH3COO + H2O =>
LiOH + CH3COOH = LiCH3COO + H2O
I2 + OCl = IO3 + Cl =>
I2 + 6 OCl = 2 IO3 + 6 Cl
Na2SO4 + SnCl4 = SnCl2SO4 + NaCl =>
Na2SO4 + SnCl4 = SnCl2SO4 + 2 NaCl
MnCl2 + KClO3 + KOH = MnO2 + KCl + H2O =>
3 MnCl2 + KClO3 + 6 KOH = 3 MnO2 + 7 KCl + 3 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
La + Cu + Cl = LaCuCl =>
La + Cu + Cl = LaCuCl
copper(II)oxide = copper + oxygen =>
2 CuO = 2 Cu + O2
La2O3 + B2O3 + C = LaB6 + CO =>
La2O3 + 6 B2O3 + 21 C = 2 LaB6 + 21 CO
Cu + Ag(NO3)2 = Cu2NO3 + Ag =>
4 Cu + Ag(NO3)2 = 2 Cu2NO3 + Ag
Au0 = Au{2+} + {-} =>
Au0 = Au{2+} + 2e
[Co(NH3)4(H2O)CN]Br2 = Co(NH3)4 + (H2O)CN + Br =>
[Co(NH3)4(H2O)CN]Br2 = Co(NH3)4 + (H2O)CN + 2 Br
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
FeCl3 + Cu = CuFeCl3 =>
FeCl3 + Cu = CuFeCl3
Cr(s) + NiSO4(aq) = CrSO4(aq) + Ni(s) =>
Cr(s) + NiSO4(aq) = CrSO4(aq) + Ni(s)
MgCl2 + AgNO3 = AgCl + Mg(NO3)2 =>
MgCl2 + 2 AgNO3 = 2 AgCl + Mg(NO3)2
Cu2Fe(CN)6 + NH4OH = (NH4)4(Fe(CN)6) + (Cu(NH3)4)(OH)2 + H2O =>
Cu2Fe(CN)6 + 12 NH4OH = (NH4)4(Fe(CN)6) + 2(Cu(NH3)4)(OH)2 + 8 H2O
CoCl2 + Na2S = CoCl2Na2S =>
CoCl2 + Na2S = CoCl2Na2S
Al2O3 + HF = H3AlF6 + H2O =>
Al2O3 + 12 HF = 2 H3AlF6 + 3 H2O
Cr(s) + S8(s) = Cr2S3(s) =>
16 Cr(s) + 3 S8(s) = 8 Cr2S3(s)
Co + NH4SCN = [Co(SCN)4]2 + NH4 =>
2 Co + 8 NH4SCN = [Co(SCN)4]2 + 8 NH4
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
Ca + NaCl = Na + CaCl =>
Ca + NaCl = Na + CaCl
Pb + HClO4 = Pb(ClO4)2 + H2 =>
Pb + 2 HClO4 = Pb(ClO4)2 + H2
K + C2 = KC2 =>
K + C2 = KC2
Rb + YO = RbO + Y =>
Rb + YO = RbO + Y
HCn + NaOH = NaCn + H2O =>
HCn + NaOH = NaCn + H2O
H2Ca + H2O = Ca(OH)2 + H =>
H2Ca + 2 H2O = Ca(OH)2 + 4 H
Mg + OCl{-} + H2O = Mg(OH)2 + Cl{-} =>
Mg + OCl{-} + H2O = Mg(OH)2 + Cl{-}
Zn + NaCl = Zn(NaCl) =>
Zn + NaCl = Zn(NaCl)
FeI2 + Na2SO4 = FeSO4 + NaI =>
FeI2 + Na2SO4 = FeSO4 + 2 NaI
HClO3 + Cl2O5 = HCl2O5 + O2 =>
4 HClO3 + 2 Cl2O5 = 4 HCl2O5 + O2
CaHPO4 = H3PO4 + Ca3(PO4)2 =>
3 CaHPO4 = H3PO4 + Ca3(PO4)2
C5H1 + O2 = CO2 + H2O =>
4 C5H1 + 21 O2 = 20 CO2 + 2 H2O
C18H21NO4 + O2 = C17H19NO4 + H2O + CO2 =>
2 C18H21NO4 + 3 O2 = 2 C17H19NO4 + 2 H2O + 2 CO2
K3PO4 + CrBr3 = CrPO4 + KBr =>
K3PO4 + CrBr3 = CrPO4 + 3 KBr
BaCl + (NaSO4)2 = NaCl + (BaSO4)2 =>
2 BaCl + (NaSO4)2 = 2 NaCl + (BaSO4)2
Al + KNO3 + KOH = K2AlO2 + NH3 + H2O =>
4 Al + KNO3 + 7 KOH = 4 K2AlO2 + NH3 + 2 H2O
CH3COONa + O2 = CO2 + H2O + Na =>
4 CH3COONa + 7 O2 = 8 CO2 + 6 H2O + 4 Na
HClO4*H2O = HClO4 + H2O =>
HClO4*H2O = HClO4 + H2O
MnO2 + NaBr + H2SO4 = MnSO4 + NaSO4 + Br2 + H2O =>
2 MnO2 + 2 NaBr + 4 H2SO4 = 2 MnSO4 + 2 NaSO4 + Br2 + 4 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
(CuCO3)Cu(OH)2 = CuO + H2O + CO2 =>
(CuCO3)Cu(OH)2 = 2 CuO + H2O + CO2
KCIO3 + HBr = Br2 + H2O + KCI =>
KCIO3 + 6 HBr = 3 Br2 + 3 H2O + KCI
H{+} + CrO4{2-} = Cr2O7{2-} + H2O =>
2 H{+} + 2 CrO4{2-} = Cr2O7{2-} + H2O
CH3CH2OH + Na = NaOH + CH3CH2CH2CH3 =>
2 CH3CH2OH + 2 Na = 2 NaOH + CH3CH2CH2CH3
Pb + EDTA = Pb(EDTA)2 =>
Pb + 2 EDTA = Pb(EDTA)2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
HI(ac) + Cu(NO3)2(ac) = CuI2(ac) + HNO3(ac) =>
2 HI(ac) + Cu(NO3)2(ac) = CuI2(ac) + 2 HNO3(ac)
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Équations équilibrées sur10/19/24
Équations équilibrées sur11/18/23
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