| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H6O2 + Cu(OH)2 = C2H4O2Cu + 2 H2O
H2O(l) = H(g) + O2(g) =>
2 H2O(l) = 4 H(g) + O2(g)
(NH4)3CO3 + NaOH = Na3CO3 + NH3 + H2O =>
(NH4)3CO3 + 3 NaOH = Na3CO3 + 3 NH3 + 3 H2O
Na2SO3 + H2SO4 + KMnO4 = MnSO4 + NaSO4 + K2SO4 + H2O =>
5 Na2SO3 + 11 H2SO4 + 4 KMnO4 = 4 MnSO4 + 10 NaSO4 + 2 K2SO4 + 11 H2O
Na2O + HNO2 = Na(NO2) + H2O =>
Na2O + 2 HNO2 = 2 Na(NO2) + H2O
Pb + Cn = PbCn2 =>
Pb + 2 Cn = PbCn2
H{+} + CuS(s) + NO3{-}(aq) = Cu(NO3)2(aq) + NO2(g) + SO2(g) + H2O =>
8 H{+} + CuS(s) + 8 NO3{-}(aq) = Cu(NO3)2(aq) + 6 NO2(g) + SO2(g) + 4 H2O
Mg + Cu3N = Mg3N2 + Cu =>
3 Mg + 2 Cu3N = Mg3N2 + 6 Cu
H3PO4 + Ca + OH = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca + 6 OH = Ca3(PO4)2 + 6 H2O
K3(PO4) + MgCO3 = K2CO3 + Mg3(PO4)2 =>
2 K3(PO4) + 3 MgCO3 = 3 K2CO3 + Mg3(PO4)2
Fe + V3 + Cu = FeVCu8 =>
3 Fe + V3 + 24 Cu = 3 FeVCu8
hydrogensulfide + cadmiumnitrate = nitricacid + cadmiumsulfide =>
H2S + Cd(NO3)2 = 2 HNO3 + CdS
NaOH + HClO3 = NaClO3 + H2O =>
NaOH + HClO3 = NaClO3 + H2O
CrCl3 + NH4OH = Cr(OH)3 + NH4Cl =>
CrCl3 + 3 NH4OH = Cr(OH)3 + 3 NH4Cl
Sb(NO3)5 + NH3 + H2O = Sb(OH)5 + NH4NO3 =>
Sb(NO3)5 + 5 NH3 + 5 H2O = Sb(OH)5 + 5 NH4NO3
MnSO4 + ZnSO4 + KMnO4 + H2O = [Zn(OH)2*2MnO2] + K2SO4 + H2SO4 =>
6 MnSO4 + 5 ZnSO4 + 4 KMnO4 + 14 H2O = 5[Zn(OH)2*2MnO2] + 2 K2SO4 + 9 H2SO4
ClBr + NaI2 = ClI2 + BrNa =>
ClBr + NaI2 = ClI2 + BrNa
Fe(OH)3 + CuCl2 = FeCl3 + Cu(OH)2 =>
2 Fe(OH)3 + 3 CuCl2 = 2 FeCl3 + 3 Cu(OH)2
Cs + (ClO3) = Cs(ClO3) =>
Cs + (ClO3) = Cs(ClO3)
Chlorine + CH4 = CCl3 + hydrogen =>
3 Cl2 + 2 CH4 = 2 CCl3 + 4 H2
Al + FeCI3 = AlCI3 + Fe =>
Al + FeCI3 = AlCI3 + Fe
MnO + H2 = Mn + H2O =>
MnO + H2 = Mn + H2O
C8H16 + Cl = C + HCl =>
C8H16 + 16 Cl = 8 C + 16 HCl
S8* + NO3* = SO2* + NO =>
S8* + 8 NO3* = 8 SO2* + 8 NO
NH3 + H2SO4(exc) = (NH4)2SO4 =>
2 NH3 + H2SO4(exc) = (NH4)2SO4
HCu + NOH = H2O + NCu =>
HCu + NOH = H2O + NCu
K2CrO4 + SnCl2 + KOH = Cr(OH)3 + K2SnO3 + KCl + H2O =>
2 K2CrO4 + 3 SnCl2 + 8 KOH = 2 Cr(OH)3 + 3 K2SnO3 + 6 KCl + H2O
Na2Cr2O7*2H2O = Na2Cr2O7 + H2O =>
Na2Cr2O7*2H2O = Na2Cr2O7 + 2 H2O
CH3OH + KMnO4 = HCO3 + KOH + MnO2 + H2O =>
3 CH3OH + 7 KMnO4 = 3 HCO3 + 7 KOH + 7 MnO2 + H2O
Cr(NO3)3*9H20 + KOH + H2O2 = CrK2O4 + H2O + NO3 =>
Cr(NO3)3*9H20 + 2 KOH + 93 H2O2 = CrK2O4 + 184 H2O + 3 NO3
Fe2(SO4)3 + HOH = (FeOH)SO4 + H2SO4 =>
Fe2(SO4)3 + 2 HOH = 2(FeOH)SO4 + H2SO4
NiCO3 + NaOH = Ni(OH)2 + Na2CO3 =>
NiCO3 + 2 NaOH = Ni(OH)2 + Na2CO3
SrBr + KSO4 = SrSO4 + K2Br2 =>
2 SrBr + 2 KSO4 = 2 SrSO4 + K2Br2
C6H4COOKCOOH + NaOH = C6H3NaCOOKCOOH + H2O =>
C6H4COOKCOOH + NaOH = C6H3NaCOOKCOOH + H2O
C6H5Cl + CH3Cl + Na = C7H8 + NaCl =>
C6H5Cl + CH3Cl + 2 Na = C7H8 + 2 NaCl
H2O + As2S3 = H3AsO3 + S + H =>
6 H2O + As2S3 = 2 H3AsO3 + 3 S + 6 H
Zn + HCl = ZnCl9 + H2 =>
2 Zn + 18 HCl = 2 ZnCl9 + 9 H2
C3H14O + C3H6O2 = H2O + C6H18O2 =>
C3H14O + C3H6O2 = H2O + C6H18O2
SrBr2 + Na = NaBr + Sr =>
SrBr2 + 2 Na = 2 NaBr + Sr
Al + KNO3 = Al2O3 + KAlO2 + N2 =>
10 Al + 6 KNO3 = 2 Al2O3 + 6 KAlO2 + 3 N2
N(g) + O(g) = NO(g) =>
N(g) + O(g) = NO(g)
Fe + AgNO3 = AgFe + NO3 =>
Fe + AgNO3 = AgFe + NO3
LiNO2 + H2O = LiOH + HNO2 =>
LiNO2 + H2O = LiOH + HNO2
Cu2O3(s) + CO(g) = Cu(s) + CO2(g) =>
Cu2O3(s) + 3 CO(g) = 2 Cu(s) + 3 CO2(g)
Sc + CuO = Sc2O3 + Cu2O =>
2 Sc + 6 CuO = Sc2O3 + 3 Cu2O
H{+} + H2O2 + Fe = Fe3{+} + H2O =>
2 H{+} + H2O2 + 6 Fe = 2 Fe3{+} + 2 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
CH3 + O2 = H2C6H8O4 + H2O =>
6 CH3 + 4 O2 = H2C6H8O4 + 4 H2O
[Cr(OH2)6] + OH = CrO4 + H2O =>
[Cr(OH2)6] + 8 OH = CrO4 + 10 H2O
K2CrO4 + Fe(OH)3 + KOH = K2FeO4 + K3[Cr(OH)6] =>
K2CrO4 + Fe(OH)3 + 3 KOH = K2FeO4 + K3[Cr(OH)6]
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