| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cr2O3 + 3 SO2 = 4 CrO3 + 3 S
Cr2O3 + SO2 = Cr2(SO3)3 =>
Cr2O3 + 3 SO2 = Cr2(SO3)3
C5H12 + O1 = CO2 + H2O =>
C5H12 + 16 O1 = 5 CO2 + 6 H2O
Pb(NO3)2 + CH3COOH + KI = PbI2 + CO2 + H2O + KNO2 =>
2 Pb(NO3)2 + CH3COOH + 4 KI = 2 PbI2 + 2 CO2 + 2 H2O + 4 KNO2
FeO + NaOH + O2 = NaFeO2 + H2O =>
4 FeO + 4 NaOH + O2 = 4 NaFeO2 + 2 H2O
H2CrO4 + NH4OH = H2O + CrO4(NH4)2 =>
H2CrO4 + 2 NH4OH = 2 H2O + CrO4(NH4)2
H3(PO4) + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3(PO4) + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
KBr + I2 = KI + Br2 =>
2 KBr + I2 = 2 KI + Br2
AiPO4 + Mg = Ai + Mg(PO4)2 =>
2 AiPO4 + Mg = 2 Ai + Mg(PO4)2
LiCl + Na2 + Co3 = LiCo3 + Na2Cl =>
LiCl + Na2 + Co3 = LiCo3 + Na2Cl
HNO3 + Ba(OH) = H2O + BaNO3 =>
HNO3 + Ba(OH) = H2O + BaNO3
C6H5NO2 + Al + KOH = KAlO2 + C6H5NH2 =>
C6H5NO2 + 2 Al + 2 KOH = 2 KAlO2 + C6H5NH2
SnCl2 + BiCl3 + NaOH = Bi + Sn(OH)4 + NaCl =>
3 SnCl2 + 2 BiCl3 + 12 NaOH = 2 Bi + 3 Sn(OH)4 + 12 NaCl
Fe2O3 + Cl2 + NaOH = FeO4 + H2O + NaCl =>
Fe2O3 + 5 Cl2 + 10 NaOH = 2 FeO4 + 5 H2O + 10 NaCl
SnCl2 + BiCl3 + NaOH = Bi + Sn(OH)4 + NaCl =>
3 SnCl2 + 2 BiCl3 + 12 NaOH = 2 Bi + 3 Sn(OH)4 + 12 NaCl
SiH4 + CO2 = SiO2 + CH4 =>
SiH4 + CO2 = SiO2 + CH4
As2O3 + Zn + HNO3 = AsH3 + H2O + Zn(NO3)2 =>
As2O3 + 6 Zn + 12 HNO3 = 2 AsH3 + 3 H2O + 6 Zn(NO3)2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
(NH4)2C2O4 + Ba(OH)2 = (NH4)2OH + Ba(C2O4)2 =>
2(NH4)2C2O4 + Ba(OH)2 = 2(NH4)2OH + Ba(C2O4)2
NaOH + (NH4)2SO4*FeSO4*6H2O = Fe(OH)2 + Na2SO4 + (NH4)2SO4 + H2O =>
2 NaOH + (NH4)2SO4*FeSO4*6H2O = Fe(OH)2 + Na2SO4 + (NH4)2SO4 + 6 H2O
CH3COOH + Na2SO3 = CH3COONa + H2SO3 =>
2 CH3COOH + Na2SO3 = 2 CH3COONa + H2SO3
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
C11H24 + O2 = CO2 + H2O =>
C11H24 + 17 O2 = 11 CO2 + 12 H2O
CaCl2 + H = Ca + HCl =>
CaCl2 + 2 H = Ca + 2 HCl
CH2CNCOOH + KOH = CH2CNCOOK + H2O =>
CH2CNCOOH + KOH = CH2CNCOOK + H2O
Cr2O3 + SO2 = CrS + O2 =>
2 Cr2O3 + 4 SO2 = 4 CrS + 7 O2
LiNO3 + HBr = LiBr + HNO3 =>
LiNO3 + HBr = LiBr + HNO3
Eu2(SO4)3 + Zn = EuSO4 + ZnSO4 =>
Eu2(SO4)3 + Zn = 2 EuSO4 + ZnSO4
Pb(NO3)2 + CH3COOH + KI = PbI2 + CO2 + H2O + KNO2 =>
2 Pb(NO3)2 + CH3COOH + 4 KI = 2 PbI2 + 2 CO2 + 2 H2O + 4 KNO2
SiH4 + MgCl2 = Mg2Si + HCl =>
SiH4 + 2 MgCl2 = Mg2Si + 4 HCl
KOH + CH3COOH = CH3COOOH + KH =>
KOH + CH3COOH = CH3COOOH + KH
CaHCO3 = Ca + HCO3 =>
CaHCO3 = Ca + HCO3
Pb(NO3)2 + NH3 = PbNH3 + NO3 =>
Pb(NO3)2 + NH3 = PbNH3 + 2 NO3
KNO3 + CuS = CuSO4 + N2 + K2O =>
8 KNO3 + 5 CuS = 5 CuSO4 + 4 N2 + 4 K2O
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
Co + H2O = Co2O3 + H2 =>
2 Co + 3 H2O = Co2O3 + 3 H2
C11H28 + O2 = CO2 + H2O =>
C11H28 + 18 O2 = 11 CO2 + 14 H2O
NH2OH + Fe(OH)2 + H2O = Fe(OH)3 + NH3 =>
NH2OH + 2 Fe(OH)2 + H2O = 2 Fe(OH)3 + NH3
NH4Br + Cl2 = (NH4)2Cl + Br =>
4 NH4Br + Cl2 = 2(NH4)2Cl + 4 Br
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Al(OH)3 + HI = AlI3 + H2O =>
Al(OH)3 + 3 HI = AlI3 + 3 H2O
Rb2O + Ca(CN)2 = RbCN + CaO =>
Rb2O + Ca(CN)2 = 2 RbCN + CaO
Al2S3 + NaOH + H2O = NaAl(OH)4 + H2S =>
Al2S3 + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2S
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
Sn(s) + H2O(g) = SnO2(s) + H2(g) =>
Sn(s) + 2 H2O(g) = SnO2(s) + 2 H2(g)
C6H5NO2 + Al + KOH = KAlO2 + C6H5NH2 =>
C6H5NO2 + 2 Al + 2 KOH = 2 KAlO2 + C6H5NH2
CrCe3 + NaNO3 + NaOH = Na2CrO4 + NaNO2 + NaCe + H2O =>
2 CrCe3 + 3 NaNO3 + 10 NaOH = 2 Na2CrO4 + 3 NaNO2 + 6 NaCe + 5 H2O
Li2CO3 + Ca(OH)2 + H2O = LiOH*H2O + CaCO3 =>
Li2CO3 + Ca(OH)2 + 2 H2O = 2 LiOH*H2O + CaCO3
Fe2O3 + Cl2 + NaOH = FeO4 + H2O + NaCl =>
Fe2O3 + 5 Cl2 + 10 NaOH = 2 FeO4 + 5 H2O + 10 NaCl
CrB2 + O2 = CrB + BO =>
2 CrB2 + O2 = 2 CrB + 2 BO
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Équations équilibrées sur11/16/24
Équations équilibrées sur12/16/23
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