| Équations équilibrées la veille |
PoO2 + H2 = PoO + H2O
PbCrO4 + KI + H2SO4 = PbSO4 + CrI3 + K2SO4 + I2 + H2O =>
2 PbCrO4 + 12 KI + 8 H2SO4 = 2 PbSO4 + 2 CrI3 + 6 K2SO4 + 3 I2 + 8 H2O
NaOH + SO3 = H2O + Na2SO4 =>
2 NaOH + SO3 = H2O + Na2SO4
HC1O + NO + H2O = HC1 + HNO3 =>
3 HC1O + 2 NO + H2O = 3 HC1 + 2 HNO3
Sc + Cr2O3 = Sc2O3 + Cr =>
2 Sc + Cr2O3 = Sc2O3 + 2 Cr
Zn + CO3 = Zn2(CO3)2 =>
2 Zn + 2 CO3 = Zn2(CO3)2
CrCl3 + HOH = CrOHCl2 + HCl =>
CrCl3 + HOH = CrOHCl2 + HCl
C2H2 + Cl2 = C + HCl =>
C2H2 + Cl2 = 2 C + 2 HCl
N2O5 + Ag2O = AgNO3 =>
N2O5 + Ag2O = 2 AgNO3
Pb + Be(OH)2 = Be + Pb(OH)2 =>
Pb + Be(OH)2 = Be + Pb(OH)2
Pb + H2O = Pb2OH + H2 =>
4 Pb + 2 H2O = 2 Pb2OH + H2
Co(NO3)2 + NH3 + (NH4)2CO3 + H2O2 = [Co(NH3)4CO3]NO3 + NH4NO3(OH2) =>
2 Co(NO3)2 + 6 NH3 + 2(NH4)2CO3 + H2O2 = 2[Co(NH3)4CO3]NO3 + 2 NH4NO3(OH2)
Hg + CuI = Hg(CuI)4 =>
Hg + 4 CuI = Hg(CuI)4
C8H18(hexano) + O2 = CO2 + H2O =>
2 C8H18(hexano) + 25 O2 = 16 CO2 + 18 H2O
(CO2)2 + Ba(OH)2 = BaCO3 + H2O =>
(CO2)2 + 2 Ba(OH)2 = 2 BaCO3 + 2 H2O
CuCl + Na2(CO3) = Cu2(CO3) + NaCl =>
2 CuCl + Na2(CO3) = Cu2(CO3) + 2 NaCl
Ba(OH)2 + HCO3 = BaOHCO3 + H2O =>
Ba(OH)2 + HCO3 = BaOHCO3 + H2O
KOH + KCrO2 + Br = KBr + K2CrO4 + H2O =>
4 KOH + KCrO2 + 3 Br = 3 KBr + K2CrO4 + 2 H2O
ZnSO4 + NaOH = NaSO4 + ZnOH =>
ZnSO4 + NaOH = NaSO4 + ZnOH
Cu3PO4 + NaOH = CuOH + Na3PO4 =>
Cu3PO4 + 3 NaOH = 3 CuOH + Na3PO4
Pb(NO3)2 + NH4I = PbI2 + NH4NO3 =>
Pb(NO3)2 + 2 NH4I = PbI2 + 2 NH4NO3
Al2Si2O7 + NaOH = Na2Al2Si2O8 + H2O =>
Al2Si2O7 + 2 NaOH = Na2Al2Si2O8 + H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NH4 + HNO3 = NH4NO3 + H2 =>
2 NH4 + 2 HNO3 = 2 NH4NO3 + H2
C5H6 + KOH = KC5H5 + H2O =>
C5H6 + KOH = KC5H5 + H2O
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
Fe + Pb(CO3)2 = Fe(CO3)2 + Pb =>
Fe + Pb(CO3)2 = Fe(CO3)2 + Pb
Ni + HCl = NiCl2 + H2 =>
Ni + 2 HCl = NiCl2 + H2
K2Cr2O4 + HNO3 = H2CrO4 + K2CrO4 + NO =>
K2Cr2O4 + 2 HNO3 = H2CrO4 + K2CrO4 + 2 NO
K2S + HOH = KOH + H2S =>
K2S + 2 HOH = 2 KOH + H2S
(FeSCN) + NaOH = FeOH + NaSCN =>
(FeSCN) + NaOH = FeOH + NaSCN
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
K2SO4NaOH = K2(OH)Na(SO4) =>
K2SO4NaOH = K2(OH)Na(SO4)
F2 + H2O = HF + O2 =>
2 F2 + 2 H2O = 4 HF + O2
MgCl2 + Ag2SO4 = AgCl + MgSO4 =>
MgCl2 + Ag2SO4 = 2 AgCl + MgSO4
TeO2 + H2O = H2Te + H2(TeO4) =>
4 TeO2 + 4 H2O = H2Te + 3 H2(TeO4)
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
NaS2O4 + NaOH = Na2SO3 + Na2S + H2O =>
6 NaS2O4 + 18 NaOH = 11 Na2SO3 + Na2S + 9 H2O
CuS + FeCl3 = CuCl2 + FeCl2 + S =>
CuS + 2 FeCl3 = CuCl2 + 2 FeCl2 + S
Nb + O2 = NbO =>
2 Nb + O2 = 2 NbO
K2(C2O4)(aq) + CaCl2(aq) = KCl + Ca2(C2O4)2 =>
2 K2(C2O4)(aq) + 2 CaCl2(aq) = 4 KCl + Ca2(C2O4)2
BeCl2 + Al = Be + AlCl3 =>
3 BeCl2 + 2 Al = 3 Be + 2 AlCl3
C2H5OH + O = CO2 + H2O =>
C2H5OH + 6 O = 2 CO2 + 3 H2O
H2SO4 + Ca(C2H3O2)2 = CaSO4 + HC2H3O2 =>
H2SO4 + Ca(C2H3O2)2 = CaSO4 + 2 HC2H3O2
SnCl4 + NaBH4 + H2O = SnH4 + B(OH)3 + NaCl + HCl =>
SnCl4 + NaBH4 + 3 H2O = SnH4 + B(OH)3 + NaCl + 3 HCl
KBr + HNO3 = KNO3 + NO + Br2 + H2O =>
6 KBr + 8 HNO3 = 6 KNO3 + 2 NO + 3 Br2 + 4 H2O
IF5 + H2O = HF + HIO3 =>
IF5 + 3 H2O = 5 HF + HIO3
NaCl + AlPO4 = AlCl3 + Na3PO4 =>
3 NaCl + AlPO4 = AlCl3 + Na3PO4
HC3H5O3 + OH{-} = C3H5O3{-} + H2O =>
HC3H5O3 + OH{-} = C3H5O3{-} + H2O
FeSO4 + KClO3 + KOH = KCl + K2FeO4 + H2O + K2SO4 =>
3 FeSO4 + 2 KClO3 + 12 KOH = 2 KCl + 3 K2FeO4 + 6 H2O + 3 K2SO4
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