| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Zn + 2 HCI2 = 2 ZnCI2 + H2
Mg + H3PO4 = HMg + PO4 =>
3 Mg + H3PO4 = 3 HMg + PO4
AgNO3 + Cu = Ag + Cu(NO3)2 =>
2 AgNO3 + Cu = 2 Ag + Cu(NO3)2
NH3 + CO2 = (NH2)2CO + H2O =>
2 NH3 + CO2 = (NH2)2CO + H2O
Au + Hg + S = AuHg99S =>
Au + 99 Hg + S = AuHg99S
Fe3O4 + H2O = Fe + OH =>
Fe3O4 + 4 H2O = 3 Fe + 8 OH
C7H12 + MnO4 = C7H11O3 + MnO2 + H2O =>
4 C7H12 + 7 MnO4 = 4 C7H11O3 + 7 MnO2 + 2 H2O
A + B + C = BC2A =>
A + B + 2 C = BC2A
MgCl2 + AlF3 = AlCl3 + MgF2 =>
3 MgCl2 + 2 AlF3 = 2 AlCl3 + 3 MgF2
BaFeO4 + H2SO4 = Fe2(SO4)3 + BaSO4 + H2O + O2 =>
4 BaFeO4 + 10 H2SO4 = 2 Fe2(SO4)3 + 4 BaSO4 + 10 H2O + 3 O2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ni + PbO2 = NiO + Pb =>
2 Ni + PbO2 = 2 NiO + Pb
PbSO4 + NaOH = Na2[Pb(OH)4] + Na2SO4 =>
PbSO4 + 4 NaOH = Na2[Pb(OH)4] + Na2SO4
NaHCO3(s) = Na2CO3(s) + H2O(g) + CO2(g) =>
2 NaHCO3(s) = Na2CO3(s) + H2O(g) + CO2(g)
P2O5 + CaCl2 = POCl3 + CaO =>
P2O5 + 3 CaCl2 = 2 POCl3 + 3 CaO
Sr(OH)2 + HCl = SrCl2 + H2O =>
Sr(OH)2 + 2 HCl = SrCl2 + 2 H2O
CO + O2 = CO28 =>
2 CO + 27 O2 = 2 CO28
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
MnSO4 + Br2 + KOH = MnO2 + KBr + K2SO4 + H2O =>
MnSO4 + Br2 + 4 KOH = MnO2 + 2 KBr + K2SO4 + 2 H2O
NaCN + NH4Cl = NH3 + NaCl + HCN =>
NaCN + NH4Cl = NH3 + NaCl + HCN
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SrO + MoO3 = SrMoO4 =>
SrO + MoO3 = SrMoO4
Co2 + OH = Co(OH)2 =>
Co2 + 4 OH = 2 Co(OH)2
Magnesiumoxide + carbon = magnesium + carbonmonoxide =>
MgO + C = Mg + CO
HNO3 + Ag(OH)3 = Ag(NO3)3 + H2O =>
3 HNO3 + Ag(OH)3 = Ag(NO3)3 + 3 H2O
CH4 + HNO3 = CH3NO2 + H2O =>
CH4 + HNO3 = CH3NO2 + H2O
PbS(s) + HBr(aq) = PbBr2(s) + H2S(g) =>
PbS(s) + 2 HBr(aq) = PbBr2(s) + H2S(g)
Ca + O2 = CaO = = =>
2 Ca + O2 = 2 CaO
K2HgI4 + KOH + NH3 = NH2HgI + KI + H2O =>
K2HgI4 + KOH + NH3 = NH2HgI + 3 KI + H2O
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
Ca + O2 = CaO = = =>
2 Ca + O2 = 2 CaO
Na2(HAsO3) + KBrO3 + HCl = NaCl + KBr + H3AsO4 =>
3 Na2(HAsO3) + KBrO3 + 6 HCl = 6 NaCl + KBr + 3 H3AsO4
Cu + SiO2 = Cu2O + Si =>
4 Cu + SiO2 = 2 Cu2O + Si
CH3OH + H2S = CH3SH + H2O =>
CH3OH + H2S = CH3SH + H2O
Mg + ZnCl2 = MgCl2 + Zn =>
Mg + ZnCl2 = MgCl2 + Zn
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
PbI4 + Al2S3 = PbS2 + AlI3 =>
3 PbI4 + 2 Al2S3 = 3 PbS2 + 4 AlI3
MgO + Fe = Fe2O3 + Mg =>
3 MgO + 2 Fe = Fe2O3 + 3 Mg
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
Si + NaOH = Na4SiO4 + H2 =>
Si + 4 NaOH = Na4SiO4 + 2 H2
NaOH + SO2 + O2 = NaSO3 + H2O =>
4 NaOH + 4 SO2 + O2 = 4 NaSO3 + 2 H2O
K2Cr2O7(aq) + SNCl2 + HCl = CrCl3 + SNCl4 + KCl + H2O(l) =>
K2Cr2O7(aq) + 3 SNCl2 + 14 HCl = 2 CrCl3 + 3 SNCl4 + 2 KCl + 7 H2O(l)
As2S3 + NO3{-} + H{+} = NO + H3AsO4 + SO2 + H2O =>
3 As2S3 + 22 NO3{-} + 22 H{+} = 22 NO + 6 H3AsO4 + 9 SO2 + 2 H2O
Pb(C2H3O2)2 + K2CrO4 = PbCrO4 + KC2H3O2 =>
Pb(C2H3O2)2 + K2CrO4 = PbCrO4 + 2 KC2H3O2
FeCl3 + O2 = Fe2O3 + Cl2 =>
4 FeCl3 + 3 O2 = 2 Fe2O3 + 6 Cl2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
NaNO2 + H2O = NaOH + HNO2 =>
NaNO2 + H2O = NaOH + HNO2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
P2O5 + CaCl2 = POCl3 + CaO =>
P2O5 + 3 CaCl2 = 2 POCl3 + 3 CaO
CaCO3 + Na2SO4 = Na2CO3 + CaSO4 =>
CaCO3 + Na2SO4 = Na2CO3 + CaSO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/23/24
Équations équilibrées sur01/22/24
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