| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K2CrO4 + 3 KNO2 + 2 KOH + 5 H2O = 2 K3(Cr(OH)6) + 3 KNO3
H2SO4 + CrSO4 + HClO = Cr2(SO4)3 + CrCl3 + H2O =>
3 H2SO4 + 12 CrSO4 + 6 HClO = 5 Cr2(SO4)3 + 2 CrCl3 + 6 H2O
K3PO4 + Cr(NO3)3 = CrPO4 + KNO3 =>
K3PO4 + Cr(NO3)3 = CrPO4 + 3 KNO3
KAl(SO4)2 + NH4OH = Al(OH)3 + (NH4)2SO4 + KOH =>
KAl(SO4)2 + 4 NH4OH = Al(OH)3 + 2(NH4)2SO4 + KOH
FeSH2SO4 = FeSO4H2S =>
FeSH2SO4 = FeSO4H2S
NaNO3 + H2SO4 = Na2SO4 + NO2 + O2 + H2O =>
4 NaNO3 + 2 H2SO4 = 2 Na2SO4 + 4 NO2 + O2 + 2 H2O
PbCO3 = PbO + CO2 =>
PbCO3 = PbO + CO2
Na2CO3 + SO2 + H2O = Na2SO3 + NaHCO3 =>
2 Na2CO3 + SO2 + H2O = Na2SO3 + 2 NaHCO3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
HN3 + H2O = H3O + N =>
HN3 + H2O = H3O + 3 N
C2H6COO + H2O = CH3OH + CH3COOH =>
C2H6COO + H2O = CH3OH + CH3COOH
C10H22 + Cl2 = C10H21Cl + HCl =>
C10H22 + Cl2 = C10H21Cl + HCl
Mn(NO3)3 + Na2S = NaNO3 + Mn2S3 =>
2 Mn(NO3)3 + 3 Na2S = 6 NaNO3 + Mn2S3
NaHSO3 + HOCl = H2SO4 + HCl + Na2SO4 =>
2 NaHSO3 + 2 HOCl = H2SO4 + 2 HCl + Na2SO4
FeS + NiO = Fe3O4 + Ni3S2 + SO2 =>
21 FeS + 30 NiO = 7 Fe3O4 + 10 Ni3S2 + SO2
PbS2 + O2 = Pb + SO2 =>
PbS2 + 2 O2 = Pb + 2 SO2
Ca(s) + HF(aq) = H2(g) + CaF2(aq) =>
Ca(s) + 2 HF(aq) = H2(g) + CaF2(aq)
N2 + H2SO4 + KMnO4 = HNO3 + K2SO4 + MnSO4 + H2O =>
N2 + 3 H2SO4 + 2 KMnO4 = 2 HNO3 + K2SO4 + 2 MnSO4 + 2 H2O
S + CI2 = SCI2 =>
S + CI2 = SCI2
As2O3 + H2O = H3AsO3 =>
As2O3 + 3 H2O = 2 H3AsO3
Zn + H2SO4 = ZnSO4 + H2 = =>
Zn + H2SO4 = ZnSO4 + H2
O = O1 =>
O = O1
HCl + LiOH = LiCl + H2O =>
HCl + LiOH = LiCl + H2O
He20 + H2 = He30H4 =>
3 He20 + 4 H2 = 2 He30H4
NH4 + S = (NH4)2S =>
2 NH4 + S = (NH4)2S
Na2HCO3(aq) + CaCl2(aq) = CaHCO3(s) + NaCl(aq) =>
Na2HCO3(aq) + CaCl2(aq) = CaHCO3(s) + 2 NaCl(aq)
BeO + HCl = Be(Cl)2 + H2O =>
BeO + 2 HCl = Be(Cl)2 + H2O
CaCl2(aq) + NH4Cl + K4[Fe(CN)6] = (NH4)2Ca[Fe(CN)6] + KCl =>
CaCl2(aq) + 2 NH4Cl + K4[Fe(CN)6] = (NH4)2Ca[Fe(CN)6] + 4 KCl
LiCl + Na3PO4 = Li3PO4 + NaCl =>
3 LiCl + Na3PO4 = Li3PO4 + 3 NaCl
Al(NO3)3 + NH3 + H2O = Al(OH)3 + NH4NO3 =>
Al(NO3)3 + 3 NH3 + 3 H2O = Al(OH)3 + 3 NH4NO3
Al{3+} + S{2-} = Al2S3 =>
2 Al{3+} + 3 S{2-} = Al2S3
CrCi3(aq) + H2S(g) = Cr2S3(s) + HCi(aq) =>
2 CrCi3(aq) + 3 H2S(g) = Cr2S3(s) + 6 HCi(aq)
S6 + HNO3 = H2SO4 + NO2 + H2O =>
S6 + 36 HNO3 = 6 H2SO4 + 36 NO2 + 12 H2O
P2O3 + H2O = H3PO4 + P =>
5 P2O3 + 9 H2O = 6 H3PO4 + 4 P
CoSO4(aq) + BaCl2(aq) = CoCl2(aq) + BaSO4(s) =>
CoSO4(aq) + BaCl2(aq) = CoCl2(aq) + BaSO4(s)
CuCl2 + Na2(PO4) = Cu(PO4) + NaCl =>
CuCl2 + Na2(PO4) = Cu(PO4) + 2 NaCl
MgSO4 + HCl = MgCl2 + H2SO4 =>
MgSO4 + 2 HCl = MgCl2 + H2SO4
Ca{2+} + H2O = Ca(OH){2+} + H =>
Ca{2+} + H2O = Ca(OH){2+} + H
C2HNaCH3I = C3H4NaI =>
C2HNaCH3I = C3H4NaI
NaCl + CuNO3 = NaNO3 + CuCl =>
NaCl + CuNO3 = NaNO3 + CuCl
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
Cr2(SO4)3 + Na2CO3 + H2O + K2SO4 = Cr(OH)3 + CO2 + NaKSO4 =>
Cr2(SO4)3 + 3 Na2CO3 + 3 H2O + 3 K2SO4 = 2 Cr(OH)3 + 3 CO2 + 6 NaKSO4
H2SO4 + Ba(NO3)2 = BaSO4 + HNO3 =>
H2SO4 + Ba(NO3)2 = BaSO4 + 2 HNO3
SO2 + FeS2 = FeSO2 + S =>
SO2 + FeS2 = FeSO2 + 2 S
KCN + Fe(CN)3 = K3Fe(CN)6 =>
3 KCN + Fe(CN)3 = K3Fe(CN)6
FeSO4 + K2CrO4 = Fe2(CrO4) + KSO4 =>
2 FeSO4 + K2CrO4 = Fe2(CrO4) + 2 KSO4
KClO3 + KHSO3 = KHSO4 + K2SO4 + H2O + Cl2 =>
2 KClO3 + 5 KHSO3 = 3 KHSO4 + 2 K2SO4 + H2O + Cl2
BaCl2 + K2SO4 = KCl + BaSO4 =>
BaCl2 + K2SO4 = 2 KCl + BaSO4
H2As + NaOH = Na3AsO3 + H2 =>
2 H2As + 6 NaOH = 2 Na3AsO3 + 5 H2
Cs + Cl = CsCl =>
Cs + Cl = CsCl
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Équations équilibrées sur12/10/24
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