| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeSO4 + 2 KSCN = Fe(SCN)2 + K2SO4
C6H8O6 + FeCl3 = C6H8Cl3 + FeO6 =>
C6H8O6 + FeCl3 = C6H8Cl3 + FeO6
MoS2 + PbO2 + HNO3 = H2MoO4 + Pb(NO3)2 + H2SO4 + H2O =>
MoS2 + 9 PbO2 + 18 HNO3 = H2MoO4 + 9 Pb(NO3)2 + 2 H2SO4 + 6 H2O
Mn + Ni3(PO4)2 = Ni + Mn3(PO4)2 =>
3 Mn + Ni3(PO4)2 = 3 Ni + Mn3(PO4)2
Na2S2O3 + Cl2 + H2O = H2SO4 + NaCl + HCl =>
Na2S2O3 + 4 Cl2 + 5 H2O = 2 H2SO4 + 2 NaCl + 6 HCl
C2H6O + O2(g) = CO2 + H2O(g) =>
C2H6O + 3 O2(g) = 2 CO2 + 3 H2O(g)
Cr2(SO4)3 + KI + KIO3 + H2O = Cr(OH)3 + K2SO4 + I2 =>
Cr2(SO4)3 + 5 KI + KIO3 + 3 H2O = 2 Cr(OH)3 + 3 K2SO4 + 3 I2
Co(NO3)2 + K2CrO4 = K(NO3) + CoCrO4 =>
Co(NO3)2 + K2CrO4 = 2 K(NO3) + CoCrO4
KAlO2 + NH4 = Al + KOH + KNO2 + H2O =>
7 KAlO2 + 3 NH4 = 7 Al + 4 KOH + 3 KNO2 + 4 H2O
No2Co3 = No2 + Co2 =>
2 No2Co3 = 2 No2 + 3 Co2
FeCl2 + KMnO4 + HCl = FeCl3 + H2O + KCl + MnCl2 =>
5 FeCl2 + KMnO4 + 8 HCl = 5 FeCl3 + 4 H2O + KCl + MnCl2
LiOH + Cu(OH)2 = Li(OH)2 + CuOH =>
LiOH + Cu(OH)2 = Li(OH)2 + CuOH
NiSO4 + NaBH4 = Ni + B2(SO4)3 + Na2SO4 + H2 =>
4 NiSO4 + 2 NaBH4 = 4 Ni + B2(SO4)3 + Na2SO4 + 4 H2
C6H6O2 + C2H6O = C9H10O2 + H2O =>
12 C6H6O2 + 9 C2H6O = 10 C9H10O2 + 13 H2O
Sr(NO3)2 + K3Fe(CN)6 = Sr3[Fe(CN)6]2 + KNO3 =>
3 Sr(NO3)2 + 2 K3Fe(CN)6 = Sr3[Fe(CN)6]2 + 6 KNO3
NaCl + Fe(OH)3 = NaOH + FeCl3 =>
3 NaCl + Fe(OH)3 = 3 NaOH + FeCl3
HC2H5O + NaHCO3 = CO2 + NaC2H5O + H2O =>
HC2H5O + NaHCO3 = CO2 + NaC2H5O + H2O
Mn(s) + FeCl2(aq) = MnCl2(aq) + Fe(s) =>
Mn(s) + FeCl2(aq) = MnCl2(aq) + Fe(s)
Fe(SO3) + NH4SCN = Fe(SCN)6 + NH4 + SO3 =>
Fe(SO3) + 6 NH4SCN = Fe(SCN)6 + 6 NH4 + SO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C8H18(i) + O2(g) = CO(g) + H2O(i) =>
2 C8H18(i) + 17 O2(g) = 16 CO(g) + 18 H2O(i)
NaBr2 + H2SO4 + MnO4 = Br2 + MnSO4 + H2O + Na2SO4 =>
6 NaBr2 + 4 H2SO4 + MnO4 = 6 Br2 + MnSO4 + 4 H2O + 3 Na2SO4
H2S + Ca(Cl03)2 = HCl03 + CaS =>
H2S + Ca(Cl03)2 = 2 HCl03 + CaS
KClO3 + Ba(NO3)2 = Ba(ClO3)2 + KNO3 =>
2 KClO3 + Ba(NO3)2 = Ba(ClO3)2 + 2 KNO3
H2SO4 + HBr = Br2 + SO2 + H2O =>
H2SO4 + 2 HBr = Br2 + SO2 + 2 H2O
Cl2 + HgO = HgCl2 + Cl2O3 =>
4 Cl2 + 3 HgO = 3 HgCl2 + Cl2O3
Ca(OH)2 + Mn(SO4) = Ca(SO4) + Mn(OH)2 =>
Ca(OH)2 + Mn(SO4) = Ca(SO4) + Mn(OH)2
ZnCO3Zn(OH)2 + HCl = ZnCl2 + H2O + CO2 =>
ZnCO3Zn(OH)2 + 4 HCl = 2 ZnCl2 + 3 H2O + CO2
NaNO3 + Cu = NaNCu + O3 =>
NaNO3 + Cu = NaNCu + O3
MnO4{-} + H{+} + C2O4{-2} = Mn2{+} + CO2 + H2O =>
4 MnO4{-} + 32 H{+} + 13 C2O4{-2} = 2 Mn2{+} + 26 CO2 + 16 H2O
PH3 = H2 + P2H =>
4 PH3 = 5 H2 + 2 P2H
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Ca(HSO3)2 + HCl = H2SO3 + CaCl2 =>
Ca(HSO3)2 + 2 HCl = 2 H2SO3 + CaCl2
H2CO3 + Fe = Fe{3+} + H2{-} + CO3{-} =>
3 H2CO3 + 2 Fe = 2 Fe{3+} + 3 H2{-} + 3 CO3{-}
V + O2 = V2O4 =>
2 V + 2 O2 = V2O4
Fe2O3(s) + CO(g) = Fe(l) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
Zn + O = Zn2O2 =>
2 Zn + 2 O = Zn2O2
Hg(NO3)2 + K2SO3 = HgSO3 + KNO3 =>
Hg(NO3)2 + K2SO3 = HgSO3 + 2 KNO3
(NH4)6W12O39 + NH4VO3 + (NH4)2HPO4 + HNO3 = WV3P4O20 + N2 + H2O =>
5(NH4)6W12O39 + 180 NH4VO3 + 240(NH4)2HPO4 + 402 HNO3 = 60 WV3P4O20 + 546 N2 + 1701 H2O
NH3H2O + HC2H3O2 = NH4C2H3O2 + H2O =>
NH3H2O + HC2H3O2 = NH4C2H3O2 + H2O
W + NaCl = WCl + Na =>
W + NaCl = WCl + Na
K(MnO4) + FeCl3 + H2SO4 = K2(SO4) + Mn(SO4) + Fe2(SO4)3 + H2O + Cl2 =>
6 K(MnO4) + 10 FeCl3 + 24 H2SO4 = 3 K2(SO4) + 6 Mn(SO4) + 5 Fe2(SO4)3 + 24 H2O + 15 Cl2
K2Cr2O4 + H2SO4 = K2Cr2O7 + H2S =>
4 K2Cr2O4 + 3 H2SO4 = 4 K2Cr2O7 + 3 H2S
C6H4OHCOOH + CH3OH = CH3OHC6H4CO + H2O =>
6 C6H4OHCOOH + 14 CH3OH = 7 CH3OHC6H4CO + 18 H2O
CuO + V4Ta6O25 = CuV2O6 + CuTa2O6 =>
5 CuO + V4Ta6O25 = 2 CuV2O6 + 3 CuTa2O6
NH4F + H3BO3 = HF + NH4HB4O7 + H2O =>
NH4F + 4 H3BO3 = HF + NH4HB4O7 + 5 H2O
Si4H4 + O2 = SiO2 + H2O =>
Si4H4 + 5 O2 = 4 SiO2 + 2 H2O
PbCrO4 + Mg = MgO + PbO + Cr2O3 =>
2 PbCrO4 + 3 Mg = 3 MgO + 2 PbO + Cr2O3
NaCH3COO + Ca(OH)2 = NaOH + Ca(CH3COO)2 =>
2 NaCH3COO + Ca(OH)2 = 2 NaOH + Ca(CH3COO)2
Au + H2SO4 = H2AuSO4 =>
Au + H2SO4 = H2AuSO4
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Équations équilibrées sur12/21/24
Équations équilibrées sur01/20/24
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