| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Mg + 2 H2O = 2 Mg{+} + 2 OH{-} + H2
H2 + S8 = H2S =>
8 H2 + S8 = 8 H2S
CaCO3 + HCl = CO2(g) + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2(g) + CaCl2 + H2O
Ba(s) + Cr{3+}(aq) = Cr(s) + Ba{2+}(aq) =>
3 Ba(s) + 2 Cr{3+}(aq) = 2 Cr(s) + 3 Ba{2+}(aq)
I2 + HNO3 = HIO3 + NO2 + H2O =>
I2 + 10 HNO3 = 2 HIO3 + 10 NO2 + 4 H2O
Cl2 + NH4Br = NH4Cl + Br2 =>
Cl2 + 2 NH4Br = 2 NH4Cl + Br2
H(NO3) + KOH = K(NO3) + H2O =>
H(NO3) + KOH = K(NO3) + H2O
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C6H5N2O + NaOH(aq) = NaC6H4N2O + H2O =>
C6H5N2O + NaOH(aq) = NaC6H4N2O + H2O
KMnO4 + KI + H2O = MnO2 + KOH + KIO3 =>
2 KMnO4 + KI + H2O = 2 MnO2 + 2 KOH + KIO3
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
As2O3 + Na2CO3 + S = Na3AsS4 + SO2 + CO2 =>
As2O3 + 3 Na2CO3 + 11 S = 2 Na3AsS4 + 3 SO2 + 3 CO2
LiOSO2 = LiO2SO =>
LiOSO2 = LiO2SO
NH4OH + MnSO4 = Mn(OH)2 + (NH4)2SO4 =>
2 NH4OH + MnSO4 = Mn(OH)2 + (NH4)2SO4
(NH4)2CrO4 + Pb(NO3)2 = NH4NO3 + PbCrO4 =>
(NH4)2CrO4 + Pb(NO3)2 = 2 NH4NO3 + PbCrO4
Fe(OH)3 + Na2SO4 = Fe2(SO4)3 + NaOH =>
2 Fe(OH)3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaOH
CuSO4 + BaI = CuI + BaSO4 =>
CuSO4 + BaI = CuI + BaSO4
H2 + Cl2 + O2 = HClO7 =>
H2 + Cl2 + 7 O2 = 2 HClO7
V2(SO4)5 + Na2O = V2O5 + Na2SO4 =>
V2(SO4)5 + 5 Na2O = V2O5 + 5 Na2SO4
HfO2 + NaOH = Na2HfO3 + H2O =>
HfO2 + 2 NaOH = Na2HfO3 + H2O
ClO3 + H2O = Cl + OH =>
ClO3 + 3 H2O = Cl + 6 OH
CaOH2 + H3PO4 = CaPO4 + OH5 =>
CaOH2 + H3PO4 = CaPO4 + OH5
NH3 + HI = NH4I =>
NH3 + HI = NH4I
Cd + KMnO4 + H2SO4 = CdSO4 + MnSO4 + K2SO4 + H2O =>
5 Cd + 2 KMnO4 + 8 H2SO4 = 5 CdSO4 + 2 MnSO4 + K2SO4 + 8 H2O
H3BO3 + Fe(OH)3 = Fe(OH)(HBO3) + H2O =>
H3BO3 + Fe(OH)3 = Fe(OH)(HBO3) + 2 H2O
CH2BrCH2CHBrCH3 + Zn = H2CCH2CHCH3 + ZnBr2 =>
CH2BrCH2CHBrCH3 + Zn = H2CCH2CHCH3 + ZnBr2
Pb(NO3)4 + Ni2(SO4)3 = Ni(NO3)3 + Pb(SO4)2 =>
3 Pb(NO3)4 + 2 Ni2(SO4)3 = 4 Ni(NO3)3 + 3 Pb(SO4)2
HI(aq) + RbOH(aq) = IRb(aq) + H2O(l) =>
HI(aq) + RbOH(aq) = IRb(aq) + H2O(l)
N2 + I2 = NI3 =>
N2 + 3 I2 = 2 NI3
FeS + Na = Na2S + Fe =>
FeS + 2 Na = Na2S + Fe
Fe + HNO3(concentrated) = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3(concentrated) = Fe(NO3)3 + NO + 2 H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Al + CO2 + KOH + H2C2O4 = K3[Al(C2O4)3] + H2O =>
2 Al + 6 CO2 + 6 KOH + 3 H2C2O4 = 2 K3[Al(C2O4)3] + 6 H2O
CH3CH2OH + H2SO4 + K2Cr2O7 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH2OH + 8 H2SO4 + 2 K2Cr2O7 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
CH3Cl + H2O = CH3OH + HCl =>
CH3Cl + H2O = CH3OH + HCl
Ca(OH)2 + HBrO3 = Ca(BrO3)2 + H2O =>
Ca(OH)2 + 2 HBrO3 = Ca(BrO3)2 + 2 H2O
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
HClO4(ag) + K2CO3(ag) = H2O(l) + CO2(g) + KClO4(ag) =>
2 HClO4(ag) + K2CO3(ag) = H2O(l) + CO2(g) + 2 KClO4(ag)
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
KClO + KCrO2 + KOH = K2CrO4 + KCl + OH =>
2 KClO + KCrO2 + KOH = K2CrO4 + 2 KCl + OH
BiNO3 + CaI2 = BiI + Ca(NO3)2 =>
2 BiNO3 + CaI2 = 2 BiI + Ca(NO3)2
HBr + SO3 = H2SO3 + Br2 =>
2 HBr + SO3 = H2SO3 + Br2
Ba + H2SO4 = BaSO4 + SO2 + H2O =>
Ba + 2 H2SO4 = BaSO4 + SO2 + 2 H2O
FeO + ZnS = FeS + ZnO =>
FeO + ZnS = FeS + ZnO
MgO + NaOH = Na2O + Mg(OH)2 =>
MgO + 2 NaOH = Na2O + Mg(OH)2
H2CO3 + CaCl2 = H2Cl2 + CO3Ca =>
H2CO3 + CaCl2 = H2Cl2 + CO3Ca
K2SO4 + BaCl2(H2O)2 = KCl + BaSO4 + H2O =>
K2SO4 + BaCl2(H2O)2 = 2 KCl + BaSO4 + 2 H2O
Na{2}CO{3} + HCl = NaCl + H{2}O =>
Na{2}CO{3} + HCl = NaCl + H{2}O
C6H5CH3 + KMnO4 + KOH = C6H5COOH + K2MnO4 + H2O =>
C6H5CH3 + 6 KMnO4 + 6 KOH = C6H5COOH + 6 K2MnO4 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/15/24
Équations équilibrées sur12/15/23
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