| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ni2O3 + 2 S{-} + 6 H{+} = 2 Ni{2+} + 2 S + 3 H2O
K2Cr2O7 + H2SO4 + KNO2 = K2SO4 + KNO3 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 KNO2 = K2SO4 + 3 KNO3 + Cr2(SO4)3 + 4 H2O
As2S3 + HClO3 + H2O = H3AsO4 + S2 + HCl =>
6 As2S3 + 10 HClO3 + 18 H2O = 12 H3AsO4 + 9 S2 + 10 HCl
H3Po4 + Na = Na(Po4) + H2 =>
2 H3Po4 + 2 Na = 2 Na(Po4) + 3 H2
Au + HI = AuI + H =>
Au + HI = AuI + H
Al2(SiO3)3 = Al2O3 + SiO2 =>
Al2(SiO3)3 = Al2O3 + 3 SiO2
Ca + O2 = Ca2(O2) =>
2 Ca + O2 = Ca2(O2)
Pb + HgCl2 = PbCl + Hg =>
2 Pb + HgCl2 = 2 PbCl + Hg
HCOOH + Mg = HCOOMg + H =>
HCOOH + Mg = HCOOMg + H
Mg(OH)2 + H3AsO4 = Mg3(AsO4)2 + H2O =>
3 Mg(OH)2 + 2 H3AsO4 = Mg3(AsO4)2 + 6 H2O
Chlorine + sodiumbromide = Bromine + sodiumchloride =>
Cl2 + 2 NaBr = Br2 + 2 NaCl
NaBr(aq) + NaBrO3(s) + H2SO4(g) = Br2 + Na2SO4 + H2O =>
5 NaBr(aq) + NaBrO3(s) + 3 H2SO4(g) = 3 Br2 + 3 Na2SO4 + 3 H2O
HCH2COOH + NaOH = H2O + NaCH2COOH =>
HCH2COOH + NaOH = H2O + NaCH2COOH
H3C4O7 + NaHCO3 = CO2 + H2O + Na3C6H5O7 =>
18 H3C4O7 + 15 NaHCO3 = 57 CO2 + 22 H2O + 5 Na3C6H5O7
Sn(s) + Hg(NO3)2(aq) = Sn(NO3)2(aq) + Hg(s) =>
Sn(s) + Hg(NO3)2(aq) = Sn(NO3)2(aq) + Hg(s)
KNO3(aq) + CaCl2 = Ca(NO3)2 + KCl =>
2 KNO3(aq) + CaCl2 = Ca(NO3)2 + 2 KCl
BaBr2 + H2O = Br2 + H2 + Ba(OH)2 =>
BaBr2 + 2 H2O = Br2 + H2 + Ba(OH)2
NbI3 + I2 = NbI5 =>
NbI3 + I2 = NbI5
Ni(s) + Cu(NO3)2(aq) = Ni(NO3)2 + Cu =>
Ni(s) + Cu(NO3)2(aq) = Ni(NO3)2 + Cu
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
KOH + HIO = KIO + H2O =>
KOH + HIO = KIO + H2O
CoCl2 + Na(OH) = Co(OH)2 + NaCl =>
CoCl2 + 2 Na(OH) = Co(OH)2 + 2 NaCl
Ca(BrO)2 = CaBr2 + O2 =>
Ca(BrO)2 = CaBr2 + O2
HgCl2 + Pb(C2H3O2)2 = PbCl2 + Hg(C2H3O2)2 =>
HgCl2 + Pb(C2H3O2)2 = PbCl2 + Hg(C2H3O2)2
Ba(NO3)2 + C = Ba(NO2)2 + CO2 =>
Ba(NO3)2 + C = Ba(NO2)2 + CO2
Ca(OH)2 + (NH4)2HPO4 = CaHPO4(OH)2 + NH4 =>
Ca(OH)2 + (NH4)2HPO4 = CaHPO4(OH)2 + 2 NH4
P + HNO3 = H3PO4 + NO2 + H2O =>
P + 5 HNO3 = H3PO4 + 5 NO2 + H2O
KH2BO3 + KOH = K + HBO3 + H2O =>
KH2BO3 + KOH = 2 K + HBO3 + H2O
H3PO4 + Cr = P2O3 + CrPO4 + H2O =>
10 H3PO4 + 4 Cr = 3 P2O3 + 4 CrPO4 + 15 H2O
XAgNO3 + XCu = XAg + XCuNO3 =>
XAgNO3 + XCu = XAg + XCuNO3
H{+} + Cr2O72{-} + I{-} = Cr3{+} + IO3{-} + H2O =>
30 H{+} + 18 Cr2O72{-} + 427 I{-} = 12 Cr3{+} + 427 IO3{-} + 15 H2O
SrO + O2 = SrO2 =>
2 SrO + O2 = 2 SrO2
NaO + Cl2 = NaCl + O2 =>
2 NaO + Cl2 = 2 NaCl + O2
HCO3 + H2SO4 = CS2 + H2O + O2 =>
4 HCO3 + 8 H2SO4 = 4 CS2 + 10 H2O + 17 O2
CO2(g) + NaOH = NaHCO3 =>
CO2(g) + NaOH = NaHCO3
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
ZnCl2 + SO4(NH4)2 = Zn(NH4)2 + SO4Cl2 =>
ZnCl2 + SO4(NH4)2 = Zn(NH4)2 + SO4Cl2
CuSO4 + BaI2 = CuI + I2 + BaSO4 =>
2 CuSO4 + 2 BaI2 = 2 CuI + I2 + 2 BaSO4
Pb(NO3)2K4Fe(CN)6 = Pb(CN)6K4Fe(NO3)2 =>
Pb(NO3)2K4Fe(CN)6 = Pb(CN)6K4Fe(NO3)2
Br + H2O + SO2 = HBr + H2SO4 =>
2 Br + 2 H2O + SO2 = 2 HBr + H2SO4
HBr + Sn2 = H2 + SnBr2 =>
4 HBr + Sn2 = 2 H2 + 2 SnBr2
CO2 + SO3 = SO4 + C =>
CO2 + 2 SO3 = 2 SO4 + C
AlCl3 + C2H6 = Al + CH3Cl =>
2 AlCl3 + 3 C2H6 = 2 Al + 6 CH3Cl
NaOH + KHC8H4O4 = KNaC8H4O4 + H2O =>
NaOH + KHC8H4O4 = KNaC8H4O4 + H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
XNa2O2 + XH2O = XNaOH + XH2O2 =>
XNa2O2 + 2 XH2O = 2 XNaOH + XH2O2
KMnO4 + C3H8O3 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
14 KMnO4 + 5 C3H8O3 + 21 H2SO4 = 15 CO2 + 14 MnSO4 + 7 K2SO4 + 41 H2O
AlCl3 + Na2CO3 = Al2O3 + CO2 + NaCl =>
2 AlCl3 + 3 Na2CO3 = Al2O3 + 3 CO2 + 6 NaCl
KCl + AgClO4 = KClO4 + AgCl =>
KCl + AgClO4 = KClO4 + AgCl
[Cu(NH3)2]Cl + NH4OH + O2 = [Cu(NH3)4](OH)2 + H2O + NH4Cl =>
4[Cu(NH3)2]Cl + 12 NH4OH + O2 = 4[Cu(NH3)4](OH)2 + 6 H2O + 4 NH4Cl
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/24/25
Équations équilibrées sur02/23/24
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