| Équations équilibrées la veille | Équations équilibrées le lendemain |
BaCl + KCO2 = BaCO2 + KCl
CH3CH2OH + O2 = CHCHO + H2O =>
CH3CH2OH + O2 = CHCHO + 2 H2O
CoCl2 + Na2SiO3 = NaCl + Co(SiO3) =>
CoCl2 + Na2SiO3 = 2 NaCl + Co(SiO3)
Ca(s) + H2O(l) = H2(g) + Ca(OH)2(s) =>
Ca(s) + 2 H2O(l) = H2(g) + Ca(OH)2(s)
CH3COONa + Ca(NO3)2 = (CH3COO)2Ca + NaNO3 =>
2 CH3COONa + Ca(NO3)2 = (CH3COO)2Ca + 2 NaNO3
Sr(NO3)2(aq) + CuSO4(aq) = SrSO4(precipitate) + Cu(NO3)2 =>
Sr(NO3)2(aq) + CuSO4(aq) = SrSO4(precipitate) + Cu(NO3)2
CaC2 + H2O(l) = C2H2(g) + Ca(OH)2 =>
CaC2 + 2 H2O(l) = C2H2(g) + Ca(OH)2
KMnO4 + FeI2 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + I2 + H2O =>
6 KMnO4 + 10 FeI2 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 Fe2(SO4)3 + 10 I2 + 24 H2O
C2H5OH + O2(g) = H2O + CO2 =>
C2H5OH + 3 O2(g) = 3 H2O + 2 CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C4H10O + K2Cr2O7 + H2SO4 = K2SO4 + CrSO4 + C4H8O + H2O =>
4 C4H10O + K2Cr2O7 + 3 H2SO4 = K2SO4 + 2 CrSO4 + 4 C4H8O + 7 H2O
MgCl + Al = AlCl + Mg =>
MgCl + Al = AlCl + Mg
C12H26(g) + O2(g) = CO2(g) + H2O(g) =>
2 C12H26(g) + 37 O2(g) = 24 CO2(g) + 26 H2O(g)
Pb + N = Pb2N3 =>
2 Pb + 3 N = Pb2N3
Si + H2 = H2Si =>
Si + H2 = H2Si
K2Cr2O7 + Zn + H2SO4 = CrSO4 + ZnSO4 + K2SO4 + H2O =>
K2Cr2O7 + 4 Zn + 7 H2SO4 = 2 CrSO4 + 4 ZnSO4 + K2SO4 + 7 H2O
Pb + S = Pb2S3 =>
2 Pb + 3 S = Pb2S3
SrO + SO3 = SrSO4 =>
SrO + SO3 = SrSO4
Cu2 + [Fe(CN)6]4 = Cu2[Fe(CN)6] =>
4 Cu2 + [Fe(CN)6]4 = 4 Cu2[Fe(CN)6]
Ca3N2 + HBr = CaBr2 + H2 + N2 =>
Ca3N2 + 6 HBr = 3 CaBr2 + 3 H2 + N2
CH3NH2 + C2H5Br = CH3CH2NH2 + CH3Br =>
CH3NH2 + C2H5Br = CH3CH2NH2 + CH3Br
CuCl2 + Na2S2O5 = CuSO3 + SO2 + NaCl =>
CuCl2 + Na2S2O5 = CuSO3 + SO2 + 2 NaCl
C3H4O2 + H2O = CO2 + C2H4O =>
5 C3H4O2 + 2 H2O = 3 CO2 + 6 C2H4O
C6H7N + C3Cl6O3 = C7H5NO + HCl =>
3 C6H7N + C3Cl6O3 = 3 C7H5NO + 6 HCl
Se + O2 = Se3O4 =>
3 Se + 2 O2 = Se3O4
Ca2C4 + H2O = C2H2 + Ca(OH)2 =>
Ca2C4 + 4 H2O = 2 C2H2 + 2 Ca(OH)2
*Fe + CuSO4 = *FeSO4 + Cu =>
*Fe + CuSO4 = *FeSO4 + Cu
Na + CuS = Cu + NaS =>
Na + CuS = Cu + NaS
VCl5 + Zn = ZnCl2 + V =>
2 VCl5 + 5 Zn = 5 ZnCl2 + 2 V
NCl4 + CH4 = CCl4 + N + H2 =>
NCl4 + CH4 = CCl4 + N + 2 H2
CH4 + *O2 = CO2 + *H2O =>
CH4 + 2*O2 = CO2 + 2*H2O
NaO2O2 = NaO + O =>
NaO2O2 = NaO + 3 O
Mg + N = (Mg)3(N)2 =>
3 Mg + 2 N = (Mg)3(N)2
HIO + OH{-} = I{-} + IO3{-} + H2O =>
3 HIO + 3 OH{-} = 2 I{-} + IO3{-} + 3 H2O
HI + Na2Se = H2Se + NaI =>
2 HI + Na2Se = H2Se + 2 NaI
CaY2 + H2O = Ca(OH)3 + Y2 + H2 =>
2 CaY2 + 6 H2O = 2 Ca(OH)3 + 2 Y2 + 3 H2
Fe2O3 + K2S2O8 = FeSO4 + K2SO4 + O2 =>
2 Fe2O3 + 4 K2S2O8 = 4 FeSO4 + 4 K2SO4 + 3 O2
Pb + C = PbC =>
Pb + C = PbC
C5H5NHCl + H2O = H3O + C5H4N + Cl =>
C5H5NHCl + 2 H2O = 2 H3O + C5H4N + Cl
H2PtCl6 + NaOH = Na2PtCl6 + H2O =>
H2PtCl6 + 2 NaOH = Na2PtCl6 + 2 H2O
BrO3{-} + Sb{3+} + H2O = SbO4{3-} + Br{-} + H3O{+} =>
BrO3{-} + 3 Sb{3+} + 27 H2O = 3 SbO4{3-} + Br{-} + 18 H3O{+}
(C6H10O5)300 + H2O = C6H12O6 =>
(C6H10O5)300 + 300 H2O = 300 C6H12O6
ZnSO4 + H2O = Zn + H2SO4 + O2 =>
2 ZnSO4 + 2 H2O = 2 Zn + 2 H2SO4 + O2
Cr3Cl + NaPO4 = Cr3PO4 + ClNa =>
Cr3Cl + NaPO4 = Cr3PO4 + ClNa
Pb + S = Pb2S3 =>
2 Pb + 3 S = Pb2S3
CaCO3 + NH4Cl = CO2 + H2O + CaCl2 + NH3 =>
CaCO3 + 2 NH4Cl = CO2 + H2O + CaCl2 + 2 NH3
Hg + Sb + O = Hg2Sb2O8 =>
2 Hg + 2 Sb + 8 O = Hg2Sb2O8
KN02 + KCrO7 + H2SO4 = KN03 + Cr2(SO4)3 + H2O + K2SO4 =>
60 KN02 + 2 KCrO7 + 14 H2SO4 = 40 KN03 + Cr2(SO4)3 + 14 H2O + 11 K2SO4
Co + O2(g) = Co2O3 =>
4 Co + 3 O2(g) = 2 Co2O3
CaI2 + Pb(NO3)2 = Ca(NO3)2 + PbI2 =>
CaI2 + Pb(NO3)2 = Ca(NO3)2 + PbI2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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