| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H(g) + S(s) = H2S(g)
CaCO3(s) + HC2H3O2(aq) = CO2(g) + H2O(l) + Ca(C2H3O2)2 =>
CaCO3(s) + 2 HC2H3O2(aq) = CO2(g) + H2O(l) + Ca(C2H3O2)2
[Co(H2O)6]Cl2 = CoCl2 + H2O =>
[Co(H2O)6]Cl2 = CoCl2 + 6 H2O
KNO3 + H3PO4 = KNO3H3PO4 =>
KNO3 + H3PO4 = KNO3H3PO4
FeI2 + K2S = FeS + KI =>
FeI2 + K2S = FeS + 2 KI
K + S = K2S4 =>
2 K + 4 S = K2S4
Cd(NO3)2 + H2(SO4) = Cd(SO4) + HNO3 =>
Cd(NO3)2 + H2(SO4) = Cd(SO4) + 2 HNO3
Fe + NaOH = Fe(NaOH)3 =>
Fe + 3 NaOH = Fe(NaOH)3
NH4SCN + FeCl3 + H2O = (Fe(H2O)5(SCN))Cl2 + NH4Cl =>
NH4SCN + FeCl3 + 5 H2O = (Fe(H2O)5(SCN))Cl2 + NH4Cl
Zn + H2SO4 = Zn{2+} + SO4{2-} + H2 =>
Zn + H2SO4 = Zn{2+} + SO4{2-} + H2
Fe(NO3)2 + H2O = Fe(OH)2 + HNO3 =>
Fe(NO3)2 + 2 H2O = Fe(OH)2 + 2 HNO3
K2SO4(aq) + Ba(C2H3O2)2 = BaSO4 + KC2H3O2 =>
K2SO4(aq) + Ba(C2H3O2)2 = BaSO4 + 2 KC2H3O2
H2(C2O4) + NaOH = H2OH + Na(C2O4) =>
H2(C2O4) + NaOH = H2OH + Na(C2O4)
C3H7(OH) + O2 = CO2 + H(OH) =>
2 C3H7(OH) + 9 O2 = 6 CO2 + 8 H(OH)
NH4SCN + FeCl3 + H2O = [Fe(H2O)5(SCN)]Cl2 + NH4Cl =>
NH4SCN + FeCl3 + 5 H2O = [Fe(H2O)5(SCN)]Cl2 + NH4Cl
FeS + O2 = Fe2O3 + SO90 =>
4 FeS + 183 O2 = 2 Fe2O3 + 4 SO90
C3H5Cl + KOH = C3H4 + KCl + H2O =>
C3H5Cl + KOH = C3H4 + KCl + H2O
Fe + HBr = FeBr4 + H2 =>
Fe + 4 HBr = FeBr4 + 2 H2
Rb2O + H2O = RbOH =>
Rb2O + H2O = 2 RbOH
*NaNO3 + KCl = *NaCl + KNO3 =>
*NaNO3 + KCl = *NaCl + KNO3
Mo(NO3)3 + Li2CO3 = Mo2(CO3)3 + LiNO3 =>
2 Mo(NO3)3 + 3 Li2CO3 = Mo2(CO3)3 + 6 LiNO3
Si2H + O2 = Si02 + H2O =>
4 Si2H + O2 = 4 Si02 + 2 H2O
S2O3{2-} + NiO2 + H2O = SO3{2-} + Ni{2+} + OH{-} =>
S2O3{2-} + 2 NiO2 + H2O = 2 SO3{2-} + 2 Ni{2+} + 2 OH{-}
CrO3 + H2S = Cr2(SO4) + S + H2O =>
2 CrO3 + 2 H2S = Cr2(SO4) + S + 2 H2O
MgCl2AgSO4 = MgSO4AgCl2 =>
MgCl2AgSO4 = MgSO4AgCl2
(NH4)SO4 + NaOH = (NH4)OH + NaSO4 =>
(NH4)SO4 + NaOH = (NH4)OH + NaSO4
Be(OH)2 + KOH = K2[Be(OH)4] =>
Be(OH)2 + 2 KOH = K2[Be(OH)4]
AlBr3 + MgSO4 = Al2(SO4)3 + MgBr2 =>
2 AlBr3 + 3 MgSO4 = Al2(SO4)3 + 3 MgBr2
V2O5 + H2SO4 + S = V2(SO4)3 + H2O =>
3 V2O5 + 7 H2SO4 + 2 S = 3 V2(SO4)3 + 7 H2O
K2SO4 + CaCO3 = K2CO3 + CaSO4 =>
K2SO4 + CaCO3 = K2CO3 + CaSO4
H2SO4 + BaSO3 = H2SO3 + BaSO4 =>
H2SO4 + BaSO3 = H2SO3 + BaSO4
N2O5 + NaOH = NaNO3 + H2O =>
N2O5 + 2 NaOH = 2 NaNO3 + H2O
H2 + Br = HBr =>
H2 + 2 Br = 2 HBr
Fe2S3 + H2CO3 = Fe2(CO3)3 + H2S =>
Fe2S3 + 3 H2CO3 = Fe2(CO3)3 + 3 H2S
K + (Cl)2 = KCl =>
2 K + (Cl)2 = 2 KCl
CaCl2 + O2 = CaO + Cl2 =>
2 CaCl2 + O2 = 2 CaO + 2 Cl2
Ag + H2SO4(st) = AgSO4 + SO2 + H2O =>
Ag + 2 H2SO4(st) = AgSO4 + SO2 + 2 H2O
(CH3CO)2 + NaHCO3 = Na(CH3CO)2 + CO2 + H2O =>
19(CH3CO)2 + 18 NaHCO3 = 18 Na(CH3CO)2 + 22 CO2 + 12 H2O
IO3{-} + Cr{3+}{+} + OH{-} = I{-} + CrO4{2-} + H2O =>
IO3{-} + 2 Cr{3+}{+} + 10 OH{-} = I{-} + 2 CrO4{2-} + 5 H2O
(NH4)2[Hg(SCN)4] + Zn(NO3)2 = Zn[Hg(SCN)4] + NH4NO3 =>
(NH4)2[Hg(SCN)4] + Zn(NO3)2 = Zn[Hg(SCN)4] + 2 NH4NO3
BaBr2 + Al2(SO4)3 = BaSO4 + AlBr3 =>
3 BaBr2 + Al2(SO4)3 = 3 BaSO4 + 2 AlBr3
FeCl3 + KI = FeCl2 + I2 + KCl =>
2 FeCl3 + 2 KI = 2 FeCl2 + I2 + 2 KCl
H2CO3 + Cd(OH)2 = H2O + CdCO3 =>
H2CO3 + Cd(OH)2 = 2 H2O + CdCO3
K2Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)3]*3H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3]*3H2O + 6 CO2 + H2O
K2Cr2O7 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
K2Cr2O7 + 3 Na2SO3 + 8 HCl = 2 KCl + 3 Na2SO4 + 2 CrCl3 + 4 H2O
Y(NO3)3*6H2O + Fe(NO3)3*9H2O + C2H5NO2 = Y3Fe5O12 + CO2 + H2O + N2 =>
9 Y(NO3)3*6H2O + 15 Fe(NO3)3*9H2O + 40 C2H5NO2 = 3 Y3Fe5O12 + 80 CO2 + 289 H2O + 56 N2
CrO3 + H2S = Cr2(SO4) + S + H2O =>
2 CrO3 + 2 H2S = Cr2(SO4) + S + 2 H2O
Fe2(SO4)3 = Fe2O3 + SO3 =>
Fe2(SO4)3 = Fe2O3 + 3 SO3
C2H4(ONO2)2 = N2 + CO2 + H2O =>
C2H4(ONO2)2 = N2 + 2 CO2 + 2 H2O
ZnO + HNO3 = Zn(NO3)3 + NO + H2O =>
3 ZnO + 10 HNO3 = 3 Zn(NO3)3 + NO + 5 H2O
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Équations équilibrées sur10/16/24
Équations équilibrées sur11/15/23
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