| Équations équilibrées la veille | Équations équilibrées le lendemain |
*Ca + 2 H2O = Ca(OH)2 + H2
ZnI2 + H2O = I + Zn(H2O)2 =>
ZnI2 + 2 H2O = 2 I + Zn(H2O)2
Fe2O3 + CO2 = Fe2CO2 + O3 =>
Fe2O3 + CO2 = Fe2CO2 + O3
Zn(C2H3O2)2 + NaC2H3O2 = Na(C2H3O2)2 + ZnC2H3O2 =>
Zn(C2H3O2)2 + NaC2H3O2 = Na(C2H3O2)2 + ZnC2H3O2
NaHCO3 + I2 = NaI + CO2 + H2 + O2 =>
2 NaHCO3 + I2 = 2 NaI + 2 CO2 + H2 + O2
KI + K2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + KHSO4 + H2O =>
6 KI + K2Cr2O7 + 11 H2SO4 = 3 I2 + Cr2(SO4)3 + 8 KHSO4 + 7 H2O
SbP + Cl3Br = SbBr + Cl3P =>
SbP + Cl3Br = SbBr + Cl3P
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C4H10 + O2 = CO + H =>
C4H10 + 2 O2 = 4 CO + 10 H
K2Cr2O7(aq) + CH3CH2OH(aq) + H2SO4 = Cr2(SO4)3(aq) + K2SO4(aq) + CH3COOH(aq) + H2O(l) =>
2 K2Cr2O7(aq) + 3 CH3CH2OH(aq) + 8 H2SO4 = 2 Cr2(SO4)3(aq) + 2 K2SO4(aq) + 3 CH3COOH(aq) + 11 H2O(l)
KBrO3 + XeF2 + H2O = KBrO4 + Xe + HF =>
KBrO3 + XeF2 + H2O = KBrO4 + Xe + 2 HF
NaHCO3 + MgCl = MgHCO3 + NaCl =>
NaHCO3 + MgCl = MgHCO3 + NaCl
S + NaNO3 + NaOH = NH3 + NaSO + H2O =>
8 S + NaNO3 + 7 NaOH = NH3 + 8 NaSO + 2 H2O
AgCl + NaOH = Ag(OH) + NaCl =>
AgCl + NaOH = Ag(OH) + NaCl
Fe + Fe3Fe(OH)8Cl + NaNO3 = NH4Cl + NaOH + Fe3O4 + H2O =>
19 Fe + 8 Fe3Fe(OH)8Cl + 8 NaNO3 = 8 NH4Cl + 8 NaOH + 17 Fe3O4 + 12 H2O
Cd + S + O = CdSO4 =>
Cd + S + 4 O = CdSO4
KMnO4 + HNO3 + H2S = K2SO4 + MnSO4 + Mn(NO3)2 + H2O =>
8 KMnO4 + 14 HNO3 + 5 H2S = 4 K2SO4 + MnSO4 + 7 Mn(NO3)2 + 12 H2O
C3H6O + CH2O = C5H8O2 + H2O =>
C3H6O + 2 CH2O = C5H8O2 + H2O
K2MnO4 + C2H5OH = C2H4O + KOH + MnO2 =>
K2MnO4 + C2H5OH = C2H4O + 2 KOH + MnO2
Na2S + Cd(NO3)2 = NaNO3 + CdS =>
Na2S + Cd(NO3)2 = 2 NaNO3 + CdS
Zn + SO2 = ZnS + ZnO =>
3 Zn + SO2 = ZnS + 2 ZnO
NaS2O3 + I2 = NaI + NaS4O6 =>
4 NaS2O3 + I2 = 2 NaI + 2 NaS4O6
AgCO3 + HCl = AgCl + HCO3 =>
AgCO3 + HCl = AgCl + HCO3
Mg(CN)2 + LiCl = MgCl2 + LiCN =>
Mg(CN)2 + 2 LiCl = MgCl2 + 2 LiCN
PH3 + H2O = PO + H5 =>
PH3 + H2O = PO + H5
B2S3(s) + H2O = H3BO3(aq) + H2S(g) =>
B2S3(s) + 6 H2O = 2 H3BO3(aq) + 3 H2S(g)
Cr + HNO3 = Cr(NO3)4 + H2 =>
Cr + 4 HNO3 = Cr(NO3)4 + 2 H2
H{-}2O + NO{-}2 = NH{-}3 + O{-}2 =>
H{-}2O + NO{-}2 = NH{-}3 + O{-}2
C4H10 + O2 = CH3COOH + H2 =>
C4H10 + 2 O2 = 2 CH3COOH + H2
Mg3P2 + K2Cr2O7 + HCl = CrCl3 + KCl + Mg3(PO4)2 + H2O =>
3 Mg3P2 + 8 K2Cr2O7 + 64 HCl = 16 CrCl3 + 16 KCl + 3 Mg3(PO4)2 + 32 H2O
Cu + Na2SO4 = CuSO4 + Na =>
Cu + Na2SO4 = CuSO4 + 2 Na
(TiO)SO4 + H2O = H2TiO3 + H2SO4 =>
(TiO)SO4 + 2 H2O = H2TiO3 + H2SO4
Ag{+} + e + H2O = AgOH + H2 =>
2 Ag{+} + 2e + 2 H2O = 2 AgOH + H2
Rb + RbNO3 = RbO + N =>
2 Rb + RbNO3 = 3 RbO + N
[Cr((NH2)2CO)6]4[Cr(CN)6]3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
10[Cr((NH2)2CO)6]4[Cr(CN)6]3 + 1176 KMnO4 + 1399 H2SO4 = 35 K2Cr2O7 + 1176 MnSO4 + 420 CO2 + 660 KNO3 + 223 K2SO4 + 1879 H2O
BaSO4 + KMnO4 = K2SO4 + Ba(MnO4)2 =>
BaSO4 + 2 KMnO4 = K2SO4 + Ba(MnO4)2
NaHCO3 + NaCl = HCl + CO2 + Na2O =>
NaHCO3 + NaCl = HCl + CO2 + Na2O
NH4HSO4 = (NH4)2SO4 + H2SO4 =>
2 NH4HSO4 = (NH4)2SO4 + H2SO4
K2Cr2O7 + NaCl + H2SO4 = Cl2 + H2O + KSO4 + Na2SO4 + CrCl3 =>
K2Cr2O7 + 10 NaCl + 7 H2SO4 = 2 Cl2 + 7 H2O + 2 KSO4 + 5 Na2SO4 + 2 CrCl3
C2H6O + H2O = C2H7O + OH =>
C2H6O + H2O = C2H7O + OH
NaCl + BaCO3 + HCl = BaCl2 + NaHCO3 =>
NaCl + BaCO3 + HCl = BaCl2 + NaHCO3
PbO2 + Al = Pb + Al2O =>
PbO2 + 4 Al = Pb + 2 Al2O
BrNO3 = Br2 + N2 + O2 =>
2 BrNO3 = Br2 + N2 + 3 O2
CH4 + NH3 + O2 = HCN + HO =>
CH4 + NH3 + 3 O2 = HCN + 6 HO
Na2SO3 + HCl = NaCl + SO2 + Water =>
Na2SO3 + 2 HCl = 2 NaCl + SO2 + H2O
(NH4)2CO4 = N + H3 + H2O + CO2 =>
3(NH4)2CO4 = 6 N + 4 H3 + 6 H2O + 3 CO2
HClBaO = BaOHCl =>
HClBaO = BaOHCl
MnO4{-} + H{+} + Cl{-} = Mn{3+} + H2O + Cl2 =>
MnO4{-} + 8 H{+} + 4 Cl{-} = Mn{3+} + 4 H2O + 2 Cl2
BaSO4 + KMnO4 = K2SO4 + Ba(MnO4)2 =>
BaSO4 + 2 KMnO4 = K2SO4 + Ba(MnO4)2
Ni{2+} + NH4OH = [Ni(NH3)6]{2+} + H2O =>
Ni{2+} + 6 NH4OH = [Ni(NH3)6]{2+} + 6 H2O
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Équations équilibrées sur12/21/24
Équations équilibrées sur01/20/24
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