| Équations équilibrées la veille | Équations équilibrées le lendemain |
(NH4)2S + Mg(NO3)2 = Mg(NH4)2 + S(NO3)2
Fe2(SO4)3 + Ca(OH)2 = Fe(OH)3 + Ca(SO4) =>
Fe2(SO4)3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 Ca(SO4)
Sn + Au(NO3)3 = Sn(NO3) + Au =>
3 Sn + Au(NO3)3 = 3 Sn(NO3) + Au
C51H88O6 + O2 = H2O + CO2 =>
C51H88O6 + 70 O2 = 44 H2O + 51 CO2
As2O3 + HNO3 = H2AsO4 + H2O + NO2 =>
As2O3 + 6 HNO3 = 2 H2AsO4 + H2O + 6 NO2
C6H5NH3 + H2O = H3O + C6H5NH2 =>
C6H5NH3 + H2O = H3O + C6H5NH2
Ni2(NO3)2{-} + Pb = Pb2(NO3)2{-} + Ni =>
Ni2(NO3)2{-} + 2 Pb = Pb2(NO3)2{-} + 2 Ni
C18H32O2 + CH3OH = C17H34O2 + C3H8O3 =>
15 C18H32O2 + 44 CH3OH = 16 C17H34O2 + 14 C3H8O3
ZnO + Fe(OH)2 = Zn(FeO2)2 + H2O + H2 =>
ZnO + 2 Fe(OH)2 = Zn(FeO2)2 + H2O + H2
Cl2 + NaI = Na + ICl =>
Cl2 + 2 NaI = 2 Na + 2 ICl
Cu3P2 = Cu + P =>
Cu3P2 = 3 Cu + 2 P
Al16 + S8 = AlS =>
Al16 + 2 S8 = 16 AlS
H2O + C6H12O6 + C6H8O7 = C19H32O21 =>
2 H2O + 9 C6H12O6 + 10 C6H8O7 = 6 C19H32O21
Mg + HCI = Mg2CI + H2 =>
4 Mg + 2 HCI = 2 Mg2CI + H2
KI + O3 + H2SO4 = K2SO4 + KOH + I2 =>
12 KI + 2 O3 + 3 H2SO4 = 3 K2SO4 + 6 KOH + 6 I2
HCN + NaOH = NaCN + H2O =>
HCN + NaOH = NaCN + H2O
K2Cr2O7 + CH3CHO + H2SO4 = H2O + Cr2(SO4)3 + K2SO4 + CH3COOH =>
K2Cr2O7 + 3 CH3CHO + 4 H2SO4 = 4 H2O + Cr2(SO4)3 + K2SO4 + 3 CH3COOH
Fe2 + Ag(NO3) = Ag + Fe(NO3) =>
Fe2 + 2 Ag(NO3) = 2 Ag + 2 Fe(NO3)
HNaC4H4O6 + NaOH = Na2C4H4O6 + H2O =>
HNaC4H4O6 + NaOH = Na2C4H4O6 + H2O
HPO4 + AgNO3 = HNO4 + AgPO3 =>
HPO4 + AgNO3 = HNO4 + AgPO3
HClO + Fe(OH)3 = ClO2Fe + H2O =>
HClO + Fe(OH)3 = ClO2Fe + 2 H2O
CaO + KOH = Ca(OH) + KO =>
CaO + KOH = Ca(OH) + KO
HCl + KMnO4 = KCl + MnCl2 + Cl3 + H2O =>
24 HCl + 3 KMnO4 = 3 KCl + 3 MnCl2 + 5 Cl3 + 12 H2O
Cr2O7{2–} + H2C2O4 + H{+} = Cr{3+} + CO2 + H2O =>
Cr2O7{2–} + 5 H2C2O4 + 4 H{+} = 2 Cr{3+} + 10 CO2 + 7 H2O
MnSO4 + PbO2 + H2SO4 = PbSO4 + HMnO4H2O =>
2 MnSO4 + 5 PbO2 + 3 H2SO4 = 5 PbSO4 + 2 HMnO4H2O
Fe(C2O4)*2H2O + K2C2O4*H2O + H2O2 + H2C2O4*2H2O = K3[Fe(C2O4)3]*3H2O + H2O =>
2 Fe(C2O4)*2H2O + 3 K2C2O4*H2O + H2O2 + H2C2O4*2H2O = 2 K3[Fe(C2O4)3]*3H2O + 5 H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
Cu + OH + Cl = CuOHCl =>
Cu + OH + Cl = CuOHCl
Si + O2 = SiO2 =>
Si + O2 = SiO2
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
LiAlH4 + AlCl3 = AlH3 + LiCl =>
3 LiAlH4 + AlCl3 = 4 AlH3 + 3 LiCl
(SO3){2-} + Cl2 + H2O = (SO4)2{-} + Cl{-} + H{+} =>
4(SO3){2-} + 7 Cl2 + 4 H2O = 2(SO4)2{-} + 14 Cl{-} + 8 H{+}
C3H8 + Cl2 = C3Cl + HCl =>
2 C3H8 + 9 Cl2 = 2 C3Cl + 16 HCl
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
FeCl3 + K2CrO4 = KCl + Fe2(CrO4)3 =>
2 FeCl3 + 3 K2CrO4 = 6 KCl + Fe2(CrO4)3
Be + HNO3 = Be(NO3)2 + H2 =>
Be + 2 HNO3 = Be(NO3)2 + H2
FeCl2 + HAuCl4 = Au + FeCl3 + HCl =>
3 FeCl2 + HAuCl4 = Au + 3 FeCl3 + HCl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Cu(OH)2 + NH3 = [Cu2(NH3)4](OH)4 =>
2 Cu(OH)2 + 4 NH3 = [Cu2(NH3)4](OH)4
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K2Cr2O7 + H2SO4 + H2O2 = H2Cr2O12 + K2SO4 + H2O =>
K2Cr2O7 + H2SO4 + 5 H2O2 = H2Cr2O12 + K2SO4 + 5 H2O
Na{2+}SO{4+}rxCa{3}(PO4){2+} = Na{2+}(PO{4+}){2+}3CaSO{4} =>
Na{2+}SO{4+}rxCa{3}(PO4){2+} = Na{2+}(PO{4+}){2+}3CaSO{4}
K2Cr2O7 + MgSO4 = MgCr2O7 + K2SO4 =>
K2Cr2O7 + MgSO4 = MgCr2O7 + K2SO4
CH7OH + O2 = CO2 + H2O =>
2 CH7OH + 5 O2 = 2 CO2 + 8 H2O
K2Cr2O7 + Fe(C2O4) + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe2(SO4)3 + CO2 + H2O =>
K2Cr2O7 + 2 Fe(C2O4) + 7 H2SO4 = K2SO4 + Cr2(SO4)3 + Fe2(SO4)3 + 4 CO2 + 7 H2O
AlNO3 + (NH4)2CO3 = AlCO3 + (NH4)2NO3 =>
AlNO3 + (NH4)2CO3 = AlCO3 + (NH4)2NO3
Al + [SiF6]{2-} = Al3{+} + F{-} + Si =>
12 Al + [SiF6]{2-} = 4 Al3{+} + 6 F{-} + Si
K + CHI = KCI + H2 =>
2 K + 2 CHI = 2 KCI + H2
H2Cr2O7 + H2O2 = H4Cr2O5 + O2 =>
H2Cr2O7 + H2O2 = H4Cr2O5 + 2 O2
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Équations équilibrées sur12/13/24
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