| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CuI + 4 HNO3 = 2 CuNO3 + I2 + 2 NO2 + 2 H2O
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
ZnCO3 + C6H8O7 = Zn3(C6H5O7) + H2O + CO2 =>
18 ZnCO3 + 7 C6H8O7 = 6 Zn3(C6H5O7) + 13 H2O + 24 CO2
CH4 + CO2 + H2O = HCOOH =>
CH4 + 3 CO2 + 2 H2O = 4 HCOOH
AgNi3 + NaCl = AgCl + NaNi3 =>
AgNi3 + NaCl = AgCl + NaNi3
HBr(aq) + Ca(OH)2 = H2O + CaBr2 =>
2 HBr(aq) + Ca(OH)2 = 2 H2O + CaBr2
C6H8O7 + NH4OH = (NH4)3C6H5O7 + H2O =>
C6H8O7 + 3 NH4OH = (NH4)3C6H5O7 + 3 H2O
XeF4 + H2O = XeO3 + Xe + HF =>
3 XeF4 + 6 H2O = 2 XeO3 + Xe + 12 HF
PbSO4(s) + NaC2H3O2(aq) = Na2[Pb(C2H3O2)4](aq) + Na2SO4(aq) =>
PbSO4(s) + 4 NaC2H3O2(aq) = Na2[Pb(C2H3O2)4](aq) + Na2SO4(aq)
Si + S2 = SiS2 =>
Si + S2 = SiS2
C2H6O + K2Cr2O7 + H2SO4 = C2H4O + CrSO4 + K2SO4 + H2O =>
4 C2H6O + K2Cr2O7 + 3 H2SO4 = 4 C2H4O + 2 CrSO4 + K2SO4 + 7 H2O
Al + Br = AlBr3 =>
Al + 3 Br = AlBr3
H2SO3 + O2 = H2SO4 =>
2 H2SO3 + O2 = 2 H2SO4
Pb(CH3COO)2 + Na2CO3 = PbCO3 + Na(CH3COO) =>
Pb(CH3COO)2 + Na2CO3 = PbCO3 + 2 Na(CH3COO)
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
HNO3 + NaClO = HNO4 + NaCl =>
HNO3 + NaClO = HNO4 + NaCl
HCl(aq) = H + Cl =>
HCl(aq) = H + Cl
C2H2 + HCl = C2H4Cl2 =>
C2H2 + 2 HCl = C2H4Cl2
MgCl2 + H2O = MgO + HCl =>
MgCl2 + H2O = MgO + 2 HCl
H{+} + Cr2O7{2-} + Cl{-} = Cr{3+} + Cl2 + H2O =>
14 H{+} + Cr2O7{2-} + 6 Cl{-} = 2 Cr{3+} + 3 Cl2 + 7 H2O
Cr(OH)3 + H2SO4 = Cr2(SO4)3 + H2O =>
2 Cr(OH)3 + 3 H2SO4 = Cr2(SO4)3 + 6 H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Li2SO4 + NH4Cl = LiCl + (NH4)2SO4 =>
Li2SO4 + 2 NH4Cl = 2 LiCl + (NH4)2SO4
Mg + P = Mg3P2 =>
3 Mg + 2 P = Mg3P2
MgCl2 + NH3 = Mg(NH3)2 + Cl =>
MgCl2 + 2 NH3 = Mg(NH3)2 + 2 Cl
Fe3O4 + C = Fe + CO2 =>
Fe3O4 + 2 C = 3 Fe + 2 CO2
Co3O4 + HCl = CoCl2 + H2O + CoCl3 =>
Co3O4 + 8 HCl = CoCl2 + 4 H2O + 2 CoCl3
K2Cr2O7 + K2S + H2O = S + K3Cr(OH)6 + KOH =>
K2Cr2O7 + 3 K2S + 7 H2O = 3 S + 2 K3Cr(OH)6 + 2 KOH
CH4(g) + O(g) = CO2 + H2O =>
CH4(g) + 4 O(g) = CO2 + 2 H2O
Na3[Fe(SCN)6] + KF = Na3[FeF6] + KSCN =>
Na3[Fe(SCN)6] + 6 KF = Na3[FeF6] + 6 KSCN
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
C12H22O12(s) + O2(g) = CO2(g) + H2O(g) =>
2 C12H22O12(s) + 23 O2(g) = 24 CO2(g) + 22 H2O(g)
NH4HCO3 = CO2NH3H2O =>
NH4HCO3 = CO2NH3H2O
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
S + OH{-} = S{-2} + S2O3{-2} + H2O =>
4 S + 6 OH{-} = 2 S{-2} + S2O3{-2} + 3 H2O
Si + N2 = Si3N4 =>
3 Si + 2 N2 = Si3N4
CuSO3 + HCl = CuCl2 + SO2 + H2O =>
CuSO3 + 2 HCl = CuCl2 + SO2 + H2O
I2 = I =>
I2 = 2 I
KMnO4 + NaBr + H2SO4 = MnSO4 + Br2 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 10 NaBr + 8 H2SO4 = 2 MnSO4 + 5 Br2 + K2SO4 + 5 Na2SO4 + 8 H2O
H3AsO3 + Al(OH)3 = AlAsO3 + H2O =>
H3AsO3 + Al(OH)3 = AlAsO3 + 3 H2O
Zn + Zn(No3)2 = Zn2(No3)2 =>
Zn + Zn(No3)2 = Zn2(No3)2
C2H5OH + Cu(OH)2 = CH3CHO + Cu2O + H2O =>
C2H5OH + 2 Cu(OH)2 = CH3CHO + Cu2O + 3 H2O
FeCl3 + (NH4)2S = Fe2S3 + NH4Cl =>
2 FeCl3 + 3(NH4)2S = Fe2S3 + 6 NH4Cl
MgCl2 + H2O = Mg(OH)Cl + HCl =>
MgCl2 + H2O = Mg(OH)Cl + HCl
C6H5SO3H + NaOH = C6H5ONa + Na2SO3 + H2O =>
C6H5SO3H + 3 NaOH = C6H5ONa + Na2SO3 + 2 H2O
Al2Si2O5(OH)4 + Na + SiO2 = NaAlSi3O8 + H2O + H =>
Al2Si2O5(OH)4 + 2 Na + 4 SiO2 = 2 NaAlSi3O8 + H2O + 2 H
HCl(aq) + Na2SO3 = H2SO3 + NaCl =>
2 HCl(aq) + Na2SO3 = H2SO3 + 2 NaCl
LiCl + KMnO4 + H2SO4 = Cl2 + MnSO4 + K2SO4 + Li2SO4 + H2O =>
10 LiCl + 2 KMnO4 + 8 H2SO4 = 5 Cl2 + 2 MnSO4 + K2SO4 + 5 Li2SO4 + 8 H2O
CHO + O2 = CO2 + H2O =>
4 CHO + 3 O2 = 4 CO2 + 2 H2O
Li(s) + Cl(g) = Li(s)Cl =>
Li(s) + Cl(g) = Li(s)Cl
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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