| Équations équilibrées la veille |
BaCl2 + H2CrO4 + 2 NaOH = BaCrO4 + 2 NaCl + 2 H2O
H2C2O4 + K2MnO4 = CO2 + KOH + Mn23 + H2O =>
69 H2C2O4 + 23 K2MnO4 = 138 CO2 + 46 KOH + Mn23 + 46 H2O
MgI2 + Br = MgBr2 + I2 =>
MgI2 + 2 Br = MgBr2 + I2
NO3 + C6H12O6 = N2 + H2O + CO2 =>
4 NO3 + C6H12O6 = 2 N2 + 6 H2O + 6 CO2
Fe2O3 + C(s) = Fe(s) + CO(g) =>
Fe2O3 + 3 C(s) = 2 Fe(s) + 3 CO(g)
(CuOH)2SO4 + (NH4)2SO4 + NH4OH = (Cu(NH3)4)SO4 + H2O =>
(CuOH)2SO4 + (NH4)2SO4 + 6 NH4OH = 2(Cu(NH3)4)SO4 + 8 H2O
H2 + Se = H2Se =>
H2 + Se = H2Se
NaHS + KMnO4 + H2O = KOH + NaOH + MnO2 + S =>
3 NaHS + 2 KMnO4 + H2O = 2 KOH + 3 NaOH + 2 MnO2 + 3 S
HNO3 + FeCl2 = Fe(NO3)2 + HCl =>
2 HNO3 + FeCl2 = Fe(NO3)2 + 2 HCl
Mn + I = MnI3 =>
Mn + 3 I = MnI3
Fe3O4(s) + H2(g) = Fe(s) + H2O(g) =>
Fe3O4(s) + 4 H2(g) = 3 Fe(s) + 4 H2O(g)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
SiO = Si + SiO2 =>
2 SiO = Si + SiO2
C3H403 + O2 = CO2 + H2O =>
4 C3H403 + 415 O2 = 12 CO2 + 806 H2O
FeBr2 + H2SO4 = FeSO4 + Br2 + SO2 + H2O =>
FeBr2 + 2 H2SO4 = FeSO4 + Br2 + SO2 + 2 H2O
Ca(NO3)2 + NH3 = CaH2 + N(NO3)3 =>
3 Ca(NO3)2 + 2 NH3 = 3 CaH2 + 2 N(NO3)3
NiCl2 + Na2SO4 = NiSO4 + NaCl =>
NiCl2 + Na2SO4 = NiSO4 + 2 NaCl
Ca(OH)2(aq) = CaO + H2O =>
Ca(OH)2(aq) = CaO + H2O
C(s) + Fe2O3 = Fe(s) + CO =>
3 C(s) + Fe2O3 = 2 Fe(s) + 3 CO
Pb(s) + HNO3(aq) = Pb(NO3)2(aq) + NO2(g) + H2O(aq) =>
Pb(s) + 4 HNO3(aq) = Pb(NO3)2(aq) + 2 NO2(g) + 2 H2O(aq)
Br + MgI2 = Br2Mg + I2 =>
2 Br + MgI2 = Br2Mg + I2
Mn + I = MnI4 =>
Mn + 4 I = MnI4
FeBr2 + H2SO4 = FeSO4 + HBr =>
FeBr2 + H2SO4 = FeSO4 + 2 HBr
CSOH(aq) + HI(aq) = CSI + H2O =>
CSOH(aq) + HI(aq) = CSI + H2O
CrF2 + (NH4)2CO3 = CrCO3 + NH4F =>
CrF2 + (NH4)2CO3 = CrCO3 + 2 NH4F
NH3 + Ca(NO3)2 = Ca(NH3)4 + NO3 =>
4 NH3 + Ca(NO3)2 = Ca(NH3)4 + 2 NO3
Si + N2 = Si3N4 =>
3 Si + 2 N2 = Si3N4
Fe + Fe(CN)6 = Fe[Fe(CN)6] =>
Fe + Fe(CN)6 = Fe[Fe(CN)6]
C8H10O + O2 = CO2 + H2O =>
C8H10O + 10 O2 = 8 CO2 + 5 H2O
NiCl2 + Na2SO4 = NiSO4 + Na2Cl2 =>
NiCl2 + Na2SO4 = NiSO4 + Na2Cl2
Ca(OH)2(aq) = Ca{2+}(aq) + OH{-}(aq) =>
Ca(OH)2(aq) = Ca{2+}(aq) + 2 OH{-}(aq)
Fe2O3 + C(s) = Fe + CO2 =>
2 Fe2O3 + 3 C(s) = 4 Fe + 3 CO2
Br + MgI2 = BrI2 + Mg =>
Br + MgI2 = BrI2 + Mg
NaHCO3 + H3C6H6O7 = Na3C6H6O7 + CO2 + H2O =>
3 NaHCO3 + H3C6H6O7 = Na3C6H6O7 + 3 CO2 + 3 H2O
FeBr2 + H2SO4 = FeSO4 + Br2 + SO2 + H2O =>
FeBr2 + 2 H2SO4 = FeSO4 + Br2 + SO2 + 2 H2O
Si + N2 = Si3N4 =>
3 Si + 2 N2 = Si3N4
CaCO3(s) + HCl(l) = CaCl2 + CO2 + H2O =>
CaCO3(s) + 2 HCl(l) = CaCl2 + CO2 + H2O
Al(s) + Cu(SO4)(aq) = Al2(SO4)3(aq) + Cu(s) =>
2 Al(s) + 3 Cu(SO4)(aq) = Al2(SO4)3(aq) + 3 Cu(s)
FeS2 + O2 + H2O = Fe{3+} + SO4{2-} + H{+} =>
4 FeS2 + 15 O2 + 2 H2O = 4 Fe{3+} + 8 SO4{2-} + 4 H{+}
HI(aq) + CsOH(aq) = CsI(aq) + H2O(l) =>
HI(aq) + CsOH(aq) = CsI(aq) + H2O(l)
KOH + NH4CI = KCI + H2O + NH3 =>
KOH + NH4CI = KCI + H2O + NH3
Ca(NO3)2 + NH3 = Ca(NH3)2 + NO3 =>
Ca(NO3)2 + 2 NH3 = Ca(NH3)2 + 2 NO3
Fe + Fe(CN)6 = Fe2(CN)6 =>
Fe + Fe(CN)6 = Fe2(CN)6
FeO(s) + H2(g) = Fe(s) + H2O =>
FeO(s) + H2(g) = Fe(s) + H2O
C8H10O + O2 = CO + H2O =>
C8H10O + 6 O2 = 8 CO + 5 H2O
Br + MgI2 = BrI + Mg =>
2 Br + MgI2 = 2 BrI + Mg
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
PbO2 + CH4 = CO + H2O + Pb =>
3 PbO2 + 2 CH4 = 2 CO + 4 H2O + 3 Pb
Y2O3 + Fe2O3 = YFeO3 =>
Y2O3 + Fe2O3 = 2 YFeO3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
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