| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Mg(s) + O2(g) = 2 MgO(s)
NaCl + Ca(NO3)2 = CaCl2 + (NaNO3)2 =>
2 NaCl + Ca(NO3)2 = CaCl2 + (NaNO3)2
BaCl2(aq) + Na2SO4 = NaCl(aq) + BaSO4(s) =>
BaCl2(aq) + Na2SO4 = 2 NaCl(aq) + BaSO4(s)
V2O5 + H2SO4 + C2H5OH = C2H4O + VOSO4 + H2O =>
V2O5 + 2 H2SO4 + C2H5OH = C2H4O + 2 VOSO4 + 3 H2O
Sr(OH)2 + Fe(NO3)3 = Fe(OH)2 + Sr(NO3)3 =>
Sr(OH)2 + Fe(NO3)3 = Fe(OH)2 + Sr(NO3)3
ClO + NaCl + H2O = Cl2 + NaOH =>
2 ClO + 4 NaCl + 2 H2O = 3 Cl2 + 4 NaOH
NaOH + Cl = NaCl + H2O + NaClO2 =>
4 NaOH + 4 Cl = 3 NaCl + 2 H2O + NaClO2
Mg3Cl2 = Mg + Cl =>
Mg3Cl2 = 3 Mg + 2 Cl
NH3 + H2(SO4) = (NH4)2(SO4) =>
2 NH3 + H2(SO4) = (NH4)2(SO4)
N2S + HCl = NCl + H2S =>
N2S + 2 HCl = 2 NCl + H2S
MnSO4 + KBiO3 + H2SO4 = KMnO4 + Bi2(SO4)3 + K2SO4 + H2 =>
6 MnSO4 + 8 KBiO3 + 7 H2SO4 = 6 KMnO4 + 4 Bi2(SO4)3 + K2SO4 + 7 H2
AlO + HClO3 = Al(ClO3)2 + H2O =>
AlO + 2 HClO3 = Al(ClO3)2 + H2O
BaF2 + KCl = KF + BaCl2 =>
BaF2 + 2 KCl = 2 KF + BaCl2
C2H4 + MnO4{-} + H{+} = CO2 + Mn{+2} + H2O =>
5 C2H4 + 12 MnO4{-} + 36 H{+} = 10 CO2 + 12 Mn{+2} + 28 H2O
U + F10381 = UF =>
10381 U + F10381 = 10381 UF
As2S3 + O2 + H2O = H3AsO3 + H2SO4 =>
As2S3 + 6 O2 + 6 H2O = 2 H3AsO3 + 3 H2SO4
Ni(OH2)HCl = NiClHOH2 =>
Ni(OH2)HCl = NiClHOH2
Ga2O3 + HCl = GaCl3 + H2O =>
Ga2O3 + 6 HCl = 2 GaCl3 + 3 H2O
Pb + Cl = PbCl2 =>
Pb + 2 Cl = PbCl2
BrO2 + Na2CO3 = NaBrO3 + NaBr + CO2 =>
6 BrO2 + 3 Na2CO3 = 5 NaBrO3 + NaBr + 3 CO2
NaHCO3 + H2O + NO2 = NaNO3 + HCO3 + H =>
NaHCO3 + H2O + NO2 = NaNO3 + HCO3 + 2 H
Fe{2} + H{+} + NO3{-} = Fe{3+} + NO2 + H2O =>
Fe{2} + 2 H{+} + NO3{-} = Fe{3+} + NO2 + H2O
B = B3 =>
3 B = B3
KBr(s) + H3PO4(saq) = K3PO4(aq) + HBr(g) =>
3 KBr(s) + H3PO4(saq) = K3PO4(aq) + 3 HBr(g)
Sn(ClO)4 + Pb(PO2)4 = Pb(ClO)4 + Sn(PO2)4 =>
Sn(ClO)4 + Pb(PO2)4 = Pb(ClO)4 + Sn(PO2)4
sulfuricacid + potassium = Potassiumsulfate + hydrogen =>
H2SO4 + 2 K = K2SO4 + H2
NiF2 + Na3PO4 = Ni3(PO4)2 + NaF =>
3 NiF2 + 2 Na3PO4 = Ni3(PO4)2 + 6 NaF
Mg2 + PbCl2 = Pb + MgCl2 =>
Mg2 + 2 PbCl2 = 2 Pb + 2 MgCl2
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
NiO + K2CO3 = NiCO3 + K2O =>
NiO + K2CO3 = NiCO3 + K2O
Cr(OH)3 + HO2{-} = Cr2O7{2-} + OH{-} + H2O =>
2 Cr(OH)3 + 3 HO2{-} = Cr2O7{2-} + OH{-} + 4 H2O
CH3CH2OH + HCOOH = C3H6O2 + H2O =>
CH3CH2OH + HCOOH = C3H6O2 + H2O
Mg(s) + Co(NO3)2 = Mg(NO3)2 + Co =>
Mg(s) + Co(NO3)2 = Mg(NO3)2 + Co
KH2SbO4 + NH4OH = KH2SbOH + NH4O4 =>
KH2SbO4 + NH4OH = KH2SbOH + NH4O4
Si(H4)4 + O2 = SiO2 + H2O =>
Si(H4)4 + 5 O2 = SiO2 + 8 H2O
Be(OH)2 + Na2SnO3 + Na2SiO3 + CO2 + H2O2 + H2O = Na4SnBe(Si3O9)2 + NaHCO3 =>
Be(OH)2 + Na2SnO3 + 6 Na2SiO3 + 10 CO2 + H2O2 + 3 H2O = Na4SnBe(Si3O9)2 + 10 NaHCO3
Na2SO3 + KOH = K2SO3 + NaOH =>
Na2SO3 + 2 KOH = K2SO3 + 2 NaOH
Ba(Cl)2(aq) + NaOH(aq) = Ba(OH)2(s) + NaCl(aq) =>
Ba(Cl)2(aq) + 2 NaOH(aq) = Ba(OH)2(s) + 2 NaCl(aq)
SO2 = S + O2 =>
SO2 = S + O2
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
CuSO4*5H2O + K2CO3 = CuCO3Cu(OH)2 + K2(SO4) + CO2 + H2O =>
2 CuSO4*5H2O + 2 K2CO3 = CuCO3Cu(OH)2 + 2 K2(SO4) + CO2 + 9 H2O
CsI + Br = CsBrI =>
CsI + Br = CsBrI
Na2S2O3 + NaOH + HOCl = Na2SO4 + H2O + NaCl =>
Na2S2O3 + 6 NaOH + 4 HOCl = 2 Na2SO4 + 5 H2O + 4 NaCl
HNO3 + K = KNO3 + H2O + N2O =>
10 HNO3 + 8 K = 8 KNO3 + 5 H2O + N2O
Ca3(PO4)2 + KF = Ca3F + K(PO4)2 =>
Ca3(PO4)2 + KF = Ca3F + K(PO4)2
Li2O + S = Li2S + O =>
Li2O + S = Li2S + O
Cr(NO3)3 + NH4(OH) = Cr(OH)3 + NH4NO3 =>
Cr(NO3)3 + 3 NH4(OH) = Cr(OH)3 + 3 NH4NO3
KlCl3O4 = Kl2 + Cl3 + O8 =>
2 KlCl3O4 = Kl2 + 2 Cl3 + O8
HClO + NaClO = ClO + NaCl + H2O =>
2 HClO + NaClO = 2 ClO + NaCl + H2O
H3PO4 + Ba(OH)2 = BaPO4 + H5O2 =>
H3PO4 + Ba(OH)2 = BaPO4 + H5O2
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Équations équilibrées sur12/20/24
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