| Équations équilibrées la veille | Équations équilibrées le lendemain |
[Ag(NH3)2]OH + 2 KCN = K[Ag(CN)2] + KOH + 2 NH3
CuCl2(aq) + (NH4)3PO4(aq) = Cu3(PO4)2(s) + NH4Cl(aq) =>
3 CuCl2(aq) + 2(NH4)3PO4(aq) = Cu3(PO4)2(s) + 6 NH4Cl(aq)
N2 + O5 = dinitrogenpentoxide =>
N2 + O5 = N2O5
FeCl3 + HS = FeCl2 + HCl + S =>
FeCl3 + HS = FeCl2 + HCl + S
Cu(NO3)2 + Na3(PO4) = Cu(PO4)2 + Na3(NO3) =>
Cu(NO3)2 + 2 Na3(PO4) = Cu(PO4)2 + 2 Na3(NO3)
C7H5Cl3 + H2O = C7H6O2 + HCl =>
C7H5Cl3 + 2 H2O = C7H6O2 + 3 HCl
KMnO4 + (COONa)2 + H2SO4 = CO2 + H2O + Na2SO4 + MnSO4 + COOK =>
KMnO4 + 3(COONa)2 + 4 H2SO4 = 5 CO2 + 4 H2O + 3 Na2SO4 + MnSO4 + COOK
Ca(OH)2(aq) + Mg(aq) = Mg(OH)2 + Ca =>
Ca(OH)2(aq) + Mg(aq) = Mg(OH)2 + Ca
C6H5COOH + C2H5OH = C6H5COOC2H5 + H2O =>
C6H5COOH + C2H5OH = C6H5COOC2H5 + H2O
Al + NaOH + HOH = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 HOH = 2 NaAlO2 + 3 H2
AlCl3 + Ca(C2H3O3)2 = Al(C2H3O3)3 + CaCl2 =>
2 AlCl3 + 3 Ca(C2H3O3)2 = 2 Al(C2H3O3)3 + 3 CaCl2
SiO2 + HBr = SiBr4 + H2O =>
SiO2 + 4 HBr = SiBr4 + 2 H2O
H2CO3 + V(OH)5 = V2(CO3)5 + H2O =>
5 H2CO3 + 2 V(OH)5 = V2(CO3)5 + 10 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH3CH2NH2 + CH3Br = CH3CH2CH2NH2 + HBr =>
CH3CH2NH2 + CH3Br = CH3CH2CH2NH2 + HBr
VO2 + Fe2O3 = V2O5 + FeO =>
2 VO2 + Fe2O3 = V2O5 + 2 FeO
KHPO4 + AgNO3 = KNO3 + AgHPO4 =>
KHPO4 + AgNO3 = KNO3 + AgHPO4
BaOOHH(aq)HHSOOOO(aq) = HHHHOOBaOOOOS =>
BaOOHH(aq)HHSOOOO(aq) = HHHHOOBaOOOOS
(NH4)2S + Pb(NO3)2 = NH4NO3 + PbS =>
(NH4)2S + Pb(NO3)2 = 2 NH4NO3 + PbS
VO2 + Fe2O3 = V2O5 + FeO =>
2 VO2 + Fe2O3 = V2O5 + 2 FeO
CH4(g) + NO(g) = CO2(g) + N2(g) + H2O(g) =>
CH4(g) + 4 NO(g) = CO2(g) + 2 N2(g) + 2 H2O(g)
MeO = Me + O2 =>
2 MeO = 2 Me + O2
Li + Fe(NO3)2 = Fe + LiNO3 =>
2 Li + Fe(NO3)2 = Fe + 2 LiNO3
SnF4 + (NH4)2CO3 = Sn(CO3)2 + NH4F =>
SnF4 + 2(NH4)2CO3 = Sn(CO3)2 + 4 NH4F
Co(OH)3 + HI = I2 + CoI2 + H2O =>
2 Co(OH)3 + 6 HI = I2 + 2 CoI2 + 6 H2O
MnCl2 + Na(OH) = Mn(OH)2 + NaCl =>
MnCl2 + 2 Na(OH) = Mn(OH)2 + 2 NaCl
Na2HPO4 + (NH4)2MoO4 + HNO3 = (NH4)3Na2H2[PMo12O42] + NH4NO3 + H2O =>
Na2HPO4 + 12(NH4)2MoO4 + 21 HNO3 = (NH4)3Na2H2[PMo12O42] + 21 NH4NO3 + 10 H2O
NiCO3(s) + HI(aq) = H2O(l) + CO2(g) + NiI2(aq) =>
NiCO3(s) + 2 HI(aq) = H2O(l) + CO2(g) + NiI2(aq)
CH3CH(g) + O2 = CO2(g) + H2O(g) =>
CH3CH(g) + 3 O2 = 2 CO2(g) + 2 H2O(g)
H{+} + NO2{-} + H3NSO3 = H2SO4 + N2 + H2O =>
H{+} + NO2{-} + H3NSO3 = H2SO4 + N2 + H2O
CuCl2(aq) + NaOH = Cu(OH)2 + NaCl =>
CuCl2(aq) + 2 NaOH = Cu(OH)2 + 2 NaCl
C2H6O + Cr2O7{-2} + H{+} = Cr{3} + C2H4O + H2O =>
3 C2H6O + Cr2O7{-2} + 8 H{+} = 2 Cr{3} + 3 C2H4O + 7 H2O
HCl2 + O2 = Cl2 + H2O =>
4 HCl2 + O2 = 4 Cl2 + 2 H2O
Fe2(P2O7) + Al(MnO4)3 + H4P2O7 = Fe4(P2O7)3 + Mn4(P2O7)3 + Al4(P2O7)3 + H2O =>
24 Fe2(P2O7) + 4 Al(MnO4)3 + 24 H4P2O7 = 12 Fe4(P2O7)3 + 3 Mn4(P2O7)3 + Al4(P2O7)3 + 48 H2O
KMnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + KOH =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 3 Na2SO4 + 2 KOH
Mn + HNO2 = MnNO2 + H2 =>
2 Mn + 2 HNO2 = 2 MnNO2 + H2
NO3{-} + I{-} + H3O{+} = NO + H2O + I2 =>
2 NO3{-} + 6 I{-} + 8 H3O{+} = 2 NO + 12 H2O + 3 I2
Pb(NO3)2 + NH4IO3 = NH4NO3 + Pb(IO3)2 =>
Pb(NO3)2 + 2 NH4IO3 = 2 NH4NO3 + Pb(IO3)2
Sn{+4} + Cr{+2} = Sn{+2} + Cr{+3} =>
Sn{+4} + 2 Cr{+2} = Sn{+2} + 2 Cr{+3}
C18H36O2 + CaO = C36H70CaO4 + H2O =>
2 C18H36O2 + CaO = C36H70CaO4 + H2O
H2CrO4 + Na2O = Na2(CrO4) + H2O =>
H2CrO4 + Na2O = Na2(CrO4) + H2O
CH4 + CH3CH2COOH = CH3CH2CH2COOH + H2O =>
2 CH4 + 6 CH3CH2COOH = 5 CH3CH2CH2COOH + 2 H2O
CaCO3 + Al2O3 + SiO2 = CaAl2Si2O8 + CO2 =>
CaCO3 + Al2O3 + 2 SiO2 = CaAl2Si2O8 + CO2
MnCl2 + Cl2 + KOH = K2MnO4 + KCl + H2O =>
MnCl2 + 2 Cl2 + 8 KOH = K2MnO4 + 6 KCl + 4 H2O
FeCl2 + NaHCO3 = FeCO3 + H2O + CO2 + NaCl =>
FeCl2 + 2 NaHCO3 = FeCO3 + H2O + CO2 + 2 NaCl
H3PO4 + Cs(OH) = Cs3(PO4) + H2O =>
H3PO4 + 3 Cs(OH) = Cs3(PO4) + 3 H2O
Cu(II) + S = Cu(II)S =>
Cu(II) + S = Cu(II)S
Cl{-} + H2O = ClO3{-} + H{+} + e =>
Cl{-} + 3 H2O = ClO3{-} + 6 H{+} + 6e
Co(No2)2 + H3PO4 = Co3(PO4)2 + H3(No2)3 =>
3 Co(No2)2 + 2 H3PO4 = Co3(PO4)2 + 2 H3(No2)3
Li2Cl2 = Li2 + Cl2 =>
Li2Cl2 = Li2 + Cl2
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Équations équilibrées sur10/24/24
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