| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeCl3 + 3 K2C2O4 + 3 H2O = K3Fe(C2O4)3(H2O)3 + 3 KCl
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Ni(s) + HCl(aq) = NiCl(aq) + H2(g) =>
2 Ni(s) + 2 HCl(aq) = 2 NiCl(aq) + H2(g)
C2H6O2 + C2H4O = C6H14O4 =>
C2H6O2 + 2 C2H4O = C6H14O4
KI + HNO3 = KNO3 + H2O + NO2 + I2 =>
2 KI + 4 HNO3 = 2 KNO3 + 2 H2O + 2 NO2 + I2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Au(NO3)3 + Sn = Sn(NO3)2 + Au =>
2 Au(NO3)3 + 3 Sn = 3 Sn(NO3)2 + 2 Au
Cu(OH)2 + NaCl = CuCl2 + NaOH =>
Cu(OH)2 + 2 NaCl = CuCl2 + 2 NaOH
CH3OH + OH = CO2 + H2O =>
CH3OH + 6 OH = CO2 + 5 H2O
As(OH)3 + O2 = AsO4 + H2O =>
4 As(OH)3 + 5 O2 = 4 AsO4 + 6 H2O
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
HSO3Cl + H2O2 = H2SO5 + HCl =>
HSO3Cl + H2O2 = H2SO5 + HCl
K2[VF6] + HClO4 = O2 + K{+} + HClO3{-} + K[VF6] =>
2 K2[VF6] + 2 HClO4 = O2 + 2 K{+} + 2 HClO3{-} + 2 K[VF6]
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C6H5Br + H2O = HBr + C6H6O =>
C6H5Br + H2O = HBr + C6H6O
Li + CrO = Li2O + Cr =>
2 Li + CrO = Li2O + Cr
KH + Ca = CaK + H =>
KH + Ca = CaK + H
Cu20 + HNO3 = NO + Cu(NO3)2 + H2O =>
3 Cu20 + 160 HNO3 = 40 NO + 60 Cu(NO3)2 + 80 H2O
RbNO3 = Rb(NO2) + O2 =>
2 RbNO3 = 2 Rb(NO2) + O2
C9H10O + CH3NH2 = C10H15NO =>
C9H10O + CH3NH2 = C10H15NO
ZnCl2 + NH3 = Zn(NH3)4 + Cl =>
ZnCl2 + 4 NH3 = Zn(NH3)4 + 2 Cl
Hg2(NO3)2 + Na2S = Hg2S + NaNO3 =>
Hg2(NO3)2 + Na2S = Hg2S + 2 NaNO3
K3[Al(OH)6] + H2SO4 = K2SO4 + Al2(SO4)3 + H2O =>
2 K3[Al(OH)6] + 6 H2SO4 = 3 K2SO4 + Al2(SO4)3 + 12 H2O
NaCl + (NH4)(NO3) = NaNO3 + NH4Cl =>
NaCl + (NH4)(NO3) = NaNO3 + NH4Cl
Cu + S8 = CuS =>
8 Cu + S8 = 8 CuS
PtF + Xe = PtFXe =>
PtF + Xe = PtFXe
NH4Cl + AgOCN = AgCl + NH4OCN =>
NH4Cl + AgOCN = AgCl + NH4OCN
PbI2 + NaOH = Na2[Pb(OH)4] + NaI =>
PbI2 + 4 NaOH = Na2[Pb(OH)4] + 2 NaI
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
HI + Fe(OH)3 = HOH + FeI3 =>
3 HI + Fe(OH)3 = 3 HOH + FeI3
CuCl + F2 = CuF + Cl2 =>
2 CuCl + F2 = 2 CuF + Cl2
Cr(OH)3 + OH{-} = [Cr(OH)4]{-} =>
Cr(OH)3 + OH{-} = [Cr(OH)4]{-}
Ca + DyF3 = Dy + CaF2 =>
3 Ca + 2 DyF3 = 2 Dy + 3 CaF2
HCl + BaSO3 = BaCl2 + SO2 + H2O =>
2 HCl + BaSO3 = BaCl2 + SO2 + H2O
MnO4 + SO2 = Mn + SO4 =>
MnO4 + 2 SO2 = Mn + 2 SO4
Ca(HCO3)2 + H2SO4 = CaSO4 + H2O + CO2 =>
Ca(HCO3)2 + H2SO4 = CaSO4 + 2 H2O + 2 CO2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
NH4OH + HCl = NH4Cl + H2O =>
NH4OH + HCl = NH4Cl + H2O
H2O + AgI = Ag2O + HI =>
H2O + 2 AgI = Ag2O + 2 HI
Ca(OH)2 + SiO2 + C + O2 = CaSiO3 + CO24H2O =>
Ca(OH)2 + SiO2 + C + 12 O2 = CaSiO3 + CO24H2O
CaCO3 + HCl = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2
H2O2 + MnO2 = O2 + Mn(OH)4 =>
2 H2O2 + MnO2 = O2 + Mn(OH)4
HClO4 + I2O7 = I(ClO4)7 + H2O =>
14 HClO4 + I2O7 = 2 I(ClO4)7 + 7 H2O
Na2Cr2O7 + KNO2 + H2O = Cr(OH)3 + NaOH + KNO3 =>
Na2Cr2O7 + 3 KNO2 + 4 H2O = 2 Cr(OH)3 + 2 NaOH + 3 KNO3
Eu5Mo2O12 + P4 = MoP + EuPO4 + Eu2O3 =>
20 Eu5Mo2O12 + 19 P4 = 40 MoP + 36 EuPO4 + 32 Eu2O3
Co(NO3)2 + H2O = CoO + H(NO3) =>
Co(NO3)2 + H2O = CoO + 2 H(NO3)
Pb + Cl = Pb1Cl4 =>
Pb + 4 Cl = Pb1Cl4
Sc + NaOH + H2O = [Sc(OH)6]{3-} + Na{+} + H2 =>
2 Sc + 6 NaOH + 6 H2O = 2[Sc(OH)6]{3-} + 6 Na{+} + 3 H2
Cu3PO4 + Zn(HCO3)2 = CuHCO3 + Zn3(PO4)2 =>
2 Cu3PO4 + 3 Zn(HCO3)2 = 6 CuHCO3 + Zn3(PO4)2
Na2S + NaOH = Na3SOH =>
Na2S + NaOH = Na3SOH
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/15/25
Équations équilibrées sur03/17/24
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