| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr2O7 + 7 C2H2O4 = 2 Cr + 14 CO2 + 7 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cr2O7 + C2H6O4 = Cr + CO2 + H2O =>
3 Cr2O7 + 7 C2H6O4 = 6 Cr + 14 CO2 + 21 H2O
Cr2O7 + C2HO4 = Cr + CO2 + H2O =>
Cr2O7 + 14 C2HO4 = 2 Cr + 28 CO2 + 7 H2O
Cr2O7 + C2H6O4 = Cr + CO2 + H2O =>
3 Cr2O7 + 7 C2H6O4 = 6 Cr + 14 CO2 + 21 H2O
C2H6 + O2 = HOH + CO2 =>
2 C2H6 + 7 O2 = 6 HOH + 4 CO2
Cr2O7 + C2H8O4 = Cr + CO2 + H2O =>
4 Cr2O7 + 7 C2H8O4 = 8 Cr + 14 CO2 + 28 H2O
HCl + Ba(OH)2 = H2O + Ba{2+} + Cl{-} =>
2 HCl + Ba(OH)2 = 2 H2O + Ba{2+} + 2 Cl{-}
Cr2O7 + C2H6O4 = Cr + CO2 + H2O =>
3 Cr2O7 + 7 C2H6O4 = 6 Cr + 14 CO2 + 21 H2O
Na2S + O2 = Na2SO4 =>
Na2S + 2 O2 = Na2SO4
NH4N3 + Pb2ClO3 = NH4ClO3 + Pb2N3 =>
NH4N3 + Pb2ClO3 = NH4ClO3 + Pb2N3
C2H4 + O2 = HOH + CO2 =>
C2H4 + 3 O2 = 2 HOH + 2 CO2
HC2H3O2 + Ca(OH)2 = H2O + Ca(C2H3O2)2 =>
2 HC2H3O2 + Ca(OH)2 = 2 H2O + Ca(C2H3O2)2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ag + Cl = AgCl =>
Ag + Cl = AgCl
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
Mg + Cl = MgCl =>
Mg + Cl = MgCl
C6H8O2 + O2 = CO2 + H2O =>
C6H8O2 + 7 O2 = 6 CO2 + 4 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
B2H6 + O2 = H2O + B2O3 =>
B2H6 + 3 O2 = 3 H2O + B2O3
Zn + Ni(NO3)3 = Zn(NO3)2 + Ni =>
3 Zn + 2 Ni(NO3)3 = 3 Zn(NO3)2 + 2 Ni
HBr + KOH = H2O + KBr =>
HBr + KOH = H2O + KBr
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AsCl3 + H2O = HCl + As(OH)3 =>
AsCl3 + 3 H2O = 3 HCl + As(OH)3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Br2 + Cl2 = BrCl =>
Br2 + Cl2 = 2 BrCl
MoO3 + Zn + H2SO4 = Mo2O3 + ZnSO4 + H2O =>
2 MoO3 + 3 Zn + 3 H2SO4 = Mo2O3 + 3 ZnSO4 + 3 H2O
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
NaClO3 = NaO + ClO2 =>
NaClO3 = NaO + ClO2
MnO4 + I = MnO2 + IO3 =>
3 MnO4 + 2 I = 3 MnO2 + 2 IO3
HCl + MnO2 = MnCl2 + H2O + Cl2 =>
4 HCl + MnO2 = MnCl2 + 2 H2O + Cl2
AgSCN + NH4OH = [Ag(NH3)2]SCN + H2O =>
AgSCN + 2 NH4OH = [Ag(NH3)2]SCN + 2 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CaCl2 + NaCH3COO = CaCl2NaCH3COO =>
CaCl2 + NaCH3COO = CaCl2NaCH3COO
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
AgBr + NH4OH = [Ag(NH3)2]Br + H2O =>
AgBr + 2 NH4OH = [Ag(NH3)2]Br + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaBr + Cl2 = NaCl + Br =>
2 NaBr + Cl2 = 2 NaCl + 2 Br
AgNO3 + H2S = AgS + H2NO3 =>
AgNO3 + H2S = AgS + H2NO3
NaNO3 + NH4OH = NaOH + NH4NO3 =>
NaNO3 + NH4OH = NaOH + NH4NO3
Ca3(PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
S + I2(OH)2 = SO4 + I + H =>
S + 2 I2(OH)2 = SO4 + 4 I + 4 H
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
AgNO2 + NH4OH = [Ag(NH3)2]NO2 + H2O =>
AgNO2 + 2 NH4OH = [Ag(NH3)2]NO2 + 2 H2O
S + I2(OH) = SO4 + I + H =>
S + 4 I2(OH) = SO4 + 8 I + 4 H
C6H8O7 + NaHCO3 = H2O + CO2 + Na3C6H5O7 =>
C6H8O7 + 3 NaHCO3 = 3 H2O + 3 CO2 + Na3C6H5O7
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/10/09
Équations équilibrées sur11/09/08
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