| Équations équilibrées la veille |
2 Bi2O3 + 2 MnCO3 + O2 = 2 Bi2MnO5 + 2 CO2
SrCrO4 + HC2H3O2 = Sr + Cr2O7 + C2H3O2 + H2O =>
2 SrCrO4 + 2 HC2H3O2 = 2 Sr + Cr2O7 + 2 C2H3O2 + H2O
Hf2TaC2O2 = HfO2 + HfC + TaC =>
Hf2TaC2O2 = HfO2 + HfC + TaC
Si + NH4OH + H2O = (NH4)2SiO3 + H2 =>
Si + 2 NH4OH + H2O = (NH4)2SiO3 + 2 H2
KMnO4 + FeSO4 + H2SO4 = MnSO4 + FeS3O12 + H2O + K2SO4 =>
4 KMnO4 + 5 FeSO4 + 16 H2SO4 = 4 MnSO4 + 5 FeS3O12 + 16 H2O + 2 K2SO4
CuCl2*2H2O + Zn = ZnCl2 + Cu + H2O =>
CuCl2*2H2O + Zn = ZnCl2 + Cu + 2 H2O
AlCl3(aq) + NH4OH(aq) = Al(OH)3(s) + NH4Cl(aq) =>
AlCl3(aq) + 3 NH4OH(aq) = Al(OH)3(s) + 3 NH4Cl(aq)
Pb2O3 + O2 = PbO2 =>
2 Pb2O3 + O2 = 4 PbO2
PbS + O2 = PbO + SO8 =>
2 PbS + 9 O2 = 2 PbO + 2 SO8
(CH3COO)2Ca + (HCOO)2Ca = CaCO3 + C2H4O =>
(CH3COO)2Ca + (HCOO)2Ca = 2 CaCO3 + 2 C2H4O
Hg2(NO3)2 + NaOH = Hg2O + H2O + NaNO3 =>
Hg2(NO3)2 + 2 NaOH = Hg2O + H2O + 2 NaNO3
Hg + S = Hg2S =>
2 Hg + S = Hg2S
NaOH + Si = NaSiO + H2 =>
2 NaOH + 2 Si = 2 NaSiO + H2
(CH3)4As2O + HCl = (CH3)2AsCl + H2O =>
(CH3)4As2O + 2 HCl = 2(CH3)2AsCl + H2O
Ni(s) + Zn(NO3)2(aq) = Ni(NO3)2(aq) + Zn(s) =>
Ni(s) + Zn(NO3)2(aq) = Ni(NO3)2(aq) + Zn(s)
BaO + HOH = Ba(OH)2 =>
BaO + HOH = Ba(OH)2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
HNO3 + NaO = NaNO3 + HO =>
HNO3 + NaO = NaNO3 + HO
(CH3COO)2Ca + (HCOO)2Ca = CaCO3 + C2H4O =>
(CH3COO)2Ca + (HCOO)2Ca = 2 CaCO3 + 2 C2H4O
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
KOH + H3N = K3N + H2O =>
3 KOH + H3N = K3N + 3 H2O
CaO + I2 = CaI + O2 =>
2 CaO + I2 = 2 CaI + O2
CrO4 + Cu + H2O = Cr(OH)3 + Cu(OH)2 =>
2 CrO4 + 5 Cu + 8 H2O = 2 Cr(OH)3 + 5 Cu(OH)2
N2 + CO2 + H2O = CH4 + NO2 =>
N2 + CO2 + 2 H2O = CH4 + 2 NO2
CuOH + H2SO4 = CuSO4 + H2O + H =>
CuOH + H2SO4 = CuSO4 + H2O + H
PbCO3 + SiO2 = PbSiO3 + CO2 =>
PbCO3 + SiO2 = PbSiO3 + CO2
Cr2O7{-2} + Br{-} + H3O{+} = Br2 + Cr{+3} + H2O =>
Cr2O7{-2} + 6 Br{-} + 14 H3O{+} = 3 Br2 + 2 Cr{+3} + 21 H2O
Fe2(SO4)3 + NH3 + H2O = Fe(OH)3 + (NH4)2(SO4) =>
Fe2(SO4)3 + 6 NH3 + 6 H2O = 2 Fe(OH)3 + 3(NH4)2(SO4)
AuF3 + Xe + HSbF6 + e = AuXe4{2+} + Sb2F11{-} + HF =>
AuF3 + 4 Xe + 6 HSbF6 + e = AuXe4{2+} + 3 Sb2F11{-} + 6 HF
Li2(CO2) = Li + CO2 =>
Li2(CO2) = 2 Li + CO2
Ba(HSO4)2 + Ba(OH)2 = H2O + Ba(SO4) =>
Ba(HSO4)2 + Ba(OH)2 = 2 H2O + 2 Ba(SO4)
H3Po4 + Na = Na3Po4 + H2 =>
2 H3Po4 + 6 Na = 2 Na3Po4 + 3 H2
Li5O10Ni3CoMn = Li2O + MnO2 + CoO + NiO + O2 =>
4 Li5O10Ni3CoMn = 10 Li2O + 4 MnO2 + 4 CoO + 12 NiO + 3 O2
KIO3 + KI + H2SO4 = K2SO4 + H2O + I2 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 3 I2
C6H10O5(s) + O2(g) = CO2(g) + H2O(g) =>
C6H10O5(s) + 6 O2(g) = 6 CO2(g) + 5 H2O(g)
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
V + NO2 = VO2NO3 + NO =>
V + 4 NO2 = VO2NO3 + 3 NO
HCHO2(aq) + KOH(aq) = H2O + KCHO2 =>
HCHO2(aq) + KOH(aq) = H2O + KCHO2
KH2PO4 + Fe(NO3)3 = KNO3 + Fe(H2PO4)3 =>
3 KH2PO4 + Fe(NO3)3 = 3 KNO3 + Fe(H2PO4)3
Pb(NO3)2 + KI = K(NO3)2 + PbI(s) =>
Pb(NO3)2 + KI = K(NO3)2 + PbI(s)
H3AsO3 + HCl + KIO3 = H3AsO4 + I2 + H2O + KCl =>
5 H3AsO3 + 2 HCl + 2 KIO3 = 5 H3AsO4 + I2 + H2O + 2 KCl
NH4F + NaOH + H2SO4 = NaF + H2O + (NH4)2SO4 =>
2 NH4F + 2 NaOH + H2SO4 = 2 NaF + 2 H2O + (NH4)2SO4
CuSO4 + BaCl2 = CuCl + Ba(SO4)2 =>
2 CuSO4 + BaCl2 = 2 CuCl + Ba(SO4)2
Ca + NaOH = Ca(OH)2 + Na =>
Ca + 2 NaOH = Ca(OH)2 + 2 Na
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ag2CO3 + H2SO4 = Ag2O4S + CO2 + H2O =>
Ag2CO3 + H2SO4 = Ag2O4S + CO2 + H2O
CuSO4 + BaCl2 = CuCl + Ba(SO4)2 =>
2 CuSO4 + BaCl2 = 2 CuCl + Ba(SO4)2
Na2S2O3 + HNO3 + H2O = H2SO4 + NaNO3 + H =>
Na2S2O3 + 2 HNO3 + 5 H2O = 2 H2SO4 + 2 NaNO3 + 8 H
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(s) + BaSO4(aq) =>
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(s) + BaSO4(aq)
CH3COOH + HNO3 = CH3COO + H2O + NO =>
3 CH3COOH + HNO3 = 3 CH3COO + 2 H2O + NO
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