| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 B5H9 + 12 O2 = 5 B2O3 + 9 H2O
KMnO4 + NaOH + Na2S2O5 = MnO2 + Na2SO4 + K2SO4 + H2O =>
4 KMnO4 + 2 NaOH + 3 Na2S2O5 = 4 MnO2 + 4 Na2SO4 + 2 K2SO4 + H2O
Ca(NO3)2 + NaHCO3 = CaCO3 + Na(NO3) + H2O + CO2 =>
Ca(NO3)2 + 2 NaHCO3 = CaCO3 + 2 Na(NO3) + H2O + CO2
Ag2O + H2O = Ag2H2O2 =>
Ag2O + H2O = Ag2H2O2
Ba + H2SO4 = BaSO4 + H2S + H2O =>
4 Ba + 5 H2SO4 = 4 BaSO4 + H2S + 4 H2O
Na3AsO3 + KMnO4 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H3AsO4 + H2O =>
10 Na3AsO3 + 4 KMnO4 + 21 H2SO4 = 4 MnSO4 + 15 Na2SO4 + 2 K2SO4 + 10 H3AsO4 + 6 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
(NH4)2SO3 + Ca(OH)2 = CaSO3 + NH3 + H2O =>
(NH4)2SO3 + Ca(OH)2 = CaSO3 + 2 NH3 + 2 H2O
Al2(SO4)3*143H2O + CaO = Al(OH)3 + CaSO4 + H2O =>
Al2(SO4)3*143H2O + 3 CaO = 2 Al(OH)3 + 3 CaSO4 + 140 H2O
Co + O = Co4O3 =>
4 Co + 3 O = Co4O3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
K3[Mn(C2O4)3] = K2CO3 + MnO + CO + O2 =>
2 K3[Mn(C2O4)3] = 3 K2CO3 + 2 MnO + 9 CO + 2 O2
KOH(aq) + Cr(NO3)3(aq) = K(NO3)3 + CrOH =>
KOH(aq) + Cr(NO3)3(aq) = K(NO3)3 + CrOH
Al + H2SO4 = Al2(H2SO4)3 =>
2 Al + 3 H2SO4 = Al2(H2SO4)3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
AlOHCl2 + NaOH = Al(OH)3 + NaCl =>
AlOHCl2 + 2 NaOH = Al(OH)3 + 2 NaCl
Ca2C + HCl = C2H2 + CaCl2 + H2 =>
2 Ca2C + 8 HCl = C2H2 + 4 CaCl2 + 3 H2
I2 + SO2 + H2O = I{-} + SO4{-2} + H{+} =>
I2 + SO2 + 2 H2O = 2 I{-} + SO4{-2} + 4 H{+}
NaBr + Pb = PbBr2 + Na =>
2 NaBr + Pb = PbBr2 + 2 Na
Pb2(SO4) + NaCl2 = PbCl2 + Na2(SO4) =>
Pb2(SO4) + 2 NaCl2 = 2 PbCl2 + Na2(SO4)
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Fe + H2OSO4 = H2O + FeSO4 =>
Fe + H2OSO4 = H2O + FeSO4
FeSO3 + VS2 = FeS2 + VSO3 =>
FeSO3 + VS2 = FeS2 + VSO3
Mg(NO3)2 + EDTA = MgEDTA + NO3 =>
Mg(NO3)2 + EDTA = MgEDTA + 2 NO3
CuSO4*5H2O + NH4OH = Cu(NH3)4SO4H2O + H2O =>
CuSO4*5H2O + 4 NH4OH = Cu(NH3)4SO4H2O + 8 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
(N4)2SO4 + HNO3 = NO2 + H2SO4 + H2O =>
(N4)2SO4 + 30 HNO3 = 38 NO2 + H2SO4 + 14 H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
H{+} + Fe{+2} + MnO4 = Fe{+3} + Mn{+2} + H2O =>
8 H{+} + 6 Fe{+2} + MnO4 = 6 Fe{+3} + Mn{+2} + 4 H2O
H2S + Br2 + H2O = H2SO4 + HBr =>
H2S + 4 Br2 + 4 H2O = H2SO4 + 8 HBr
Al + NaCl = AlCl3 + Na =>
Al + 3 NaCl = AlCl3 + 3 Na
(NH4)2CO3 = NH3(g) + H2O(l) + CO2 =>
(NH4)2CO3 = 2 NH3(g) + H2O(l) + CO2
E5 = E9 =>
9 E5 = 5 E9
NaOH(aq) + H2SO4(aq) = NaSO4(aq) + H3O(aq) =>
NaOH(aq) + H2SO4(aq) = NaSO4(aq) + H3O(aq)
Zn + AgBr = ZnBr + Ag =>
Zn + AgBr = ZnBr + Ag
Ca(OH)2 + HClO3 = H2O + Ca(ClO3)2 =>
Ca(OH)2 + 2 HClO3 = 2 H2O + Ca(ClO3)2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al2C3 + HBr = AlBr3 + C + H =>
Al2C3 + 6 HBr = 2 AlBr3 + 3 C + 6 H
KCrO4 + Pb2NO2 = Pb2CrO4 + KNO2 =>
KCrO4 + Pb2NO2 = Pb2CrO4 + KNO2
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
Cu(OH)2 = CuO + H2 + O =>
Cu(OH)2 = CuO + H2 + O
Cl2O = Cl2(g) + ClO2(g) =>
4 Cl2O = 3 Cl2(g) + 2 ClO2(g)
In(s) + I2(s) = In2I6 =>
2 In(s) + 3 I2(s) = In2I6
Zn(Cl)2 + LiOH = Zn(OH)2 + LiCl =>
Zn(Cl)2 + 2 LiOH = Zn(OH)2 + 2 LiCl
Ta + Cl2 = TaCl5 =>
2 Ta + 5 Cl2 = 2 TaCl5
NH4Cl + NaNO2 = NaCl + H2O + N2 =>
NH4Cl + NaNO2 = NaCl + 2 H2O + N2
CHCl3 + I2 = Cl2 + CHI3 =>
2 CHCl3 + 3 I2 = 3 Cl2 + 2 CHI3
Th(NO3)4 + Na2CO3 + H2O = ThOCO3*8H2O + NaNO3 + HNO3 =>
Th(NO3)4 + Na2CO3 + 9 H2O = ThOCO3*8H2O + 2 NaNO3 + 2 HNO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/24/24
Équations équilibrées sur01/23/24
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