| Équations équilibrées la veille |
HC2H3O2 + NaHCO3 = CO2 + NaC2H3O2 + H2O
MgF2 + Al = AlF3 + Mg =>
3 MgF2 + 2 Al = 2 AlF3 + 3 Mg
Fe2O3 + Br2 + NaOH = Na2FeO4 + NaBr + H2O =>
Fe2O3 + 3 Br2 + 10 NaOH = 2 Na2FeO4 + 6 NaBr + 5 H2O
Cu(NO3)2 + NaI = CuI2 + NaNO3 =>
Cu(NO3)2 + 2 NaI = CuI2 + 2 NaNO3
KNO2 + H2O2 + H2SO4 = HNO3 + H2O + K2SO4 =>
2 KNO2 + 2 H2O2 + H2SO4 = 2 HNO3 + 2 H2O + K2SO4
FeCl2 + K3(Fe(CN)6) = KFe(Fe(CN)6) + KCl =>
FeCl2 + K3(Fe(CN)6) = KFe(Fe(CN)6) + 2 KCl
FeCr2O4 + HCl = FeCl3 + Cr2O4 + H2 =>
2 FeCr2O4 + 6 HCl = 2 FeCl3 + 2 Cr2O4 + 3 H2
CaCO3 + SrCO3 + H3PO4 + NaOH = Ca8Sr2(PO4)6(OH)2 + Na2CO3 + H2O =>
8 CaCO3 + 2 SrCO3 + 6 H3PO4 + 20 NaOH = Ca8Sr2(PO4)6(OH)2 + 10 Na2CO3 + 18 H2O
OF2 + H2O = O2 + HF =>
OF2 + H2O = O2 + 2 HF
CH2BrCO2C2H5 + P(C6H5)3 = P(C6H5)3CH2CO2C2H5Br =>
CH2BrCO2C2H5 + P(C6H5)3 = P(C6H5)3CH2CO2C2H5Br
NaHCO3(aq) + CH3COOH(s) = CH3COONa(aq) + H2O(l) + CO2(g) =>
NaHCO3(aq) + CH3COOH(s) = CH3COONa(aq) + H2O(l) + CO2(g)
SO4 + HCl = H2SO4 + Cl2 =>
SO4 + 2 HCl = H2SO4 + Cl2
Ba(NO3)2 + ZrOCl2 + C6H8O7 = BaZrO3 + H2O + CO2 + N2 + HCl =>
9 Ba(NO3)2 + 9 ZrOCl2 + 5 C6H8O7 = 9 BaZrO3 + 11 H2O + 30 CO2 + 9 N2 + 18 HCl
NaOH(aq) + Al2(SO4)3 = Na2(SO4) + Al(OH)3 =>
6 NaOH(aq) + Al2(SO4)3 = 3 Na2(SO4) + 2 Al(OH)3
Br2 + S2O3{2} + H2O = Br{-} + SO4{2} + H{+} =>
6 Br2 + S2O3{2} + 5 H2O = 12 Br{-} + 2 SO4{2} + 10 H{+}
POCl3 + TiCl4 = PCl5 + TiO2 =>
2 POCl3 + TiCl4 = 2 PCl5 + TiO2
Pb3(PO4)2 + H3O = Pb + HPO4 + H2O =>
Pb3(PO4)2 + 2 H3O = 3 Pb + 2 HPO4 + 2 H2O
Mn(OH)7 + HBrO3 = Mn + (BrO3)7 + H2O =>
Mn(OH)7 + 7 HBrO3 = Mn + (BrO3)7 + 7 H2O
Ca(ClO)2 = Ca{2+} + ClO{-} =>
Ca(ClO)2 = Ca{2+} + 2 ClO{-}
HI + CaOH = H2O + CaI1 =>
HI + CaOH = H2O + CaI1
Al(s) + NaOH(aq) = Al(OH)3 + Na =>
Al(s) + 3 NaOH(aq) = Al(OH)3 + 3 Na
HNO3 + Cu2 = Cu(NO3)2 + H =>
4 HNO3 + Cu2 = 2 Cu(NO3)2 + 4 H
KClO3 = O2 + KCl =>
2 KClO3 = 3 O2 + 2 KCl
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
HClO + Cu = Cu(ClO) + H2 =>
2 HClO + 2 Cu = 2 Cu(ClO) + H2
K2Cr2O7 + KI + H2SO4 = K2SO4 + Cr2(SO4)2 + I2 + H2O =>
K2Cr2O7 + 8 KI + 7 H2SO4 = 5 K2SO4 + Cr2(SO4)2 + 4 I2 + 7 H2O
FeCO3 + H4PO5 = Fe2PO5 + CO2 + H2O =>
2 FeCO3 + H4PO5 = Fe2PO5 + 2 CO2 + 2 H2O
BaS + LiOH = Ba(OH)2 + Li2S =>
BaS + 2 LiOH = Ba(OH)2 + Li2S
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Pb(NO3)2 + K2S = K(NO3) + Pb2S2 =>
2 Pb(NO3)2 + 2 K2S = 4 K(NO3) + Pb2S2
(NH4)2S2O3 + O2 = NO2 + H2O + SO3 =>
2(NH4)2S2O3 + 11 O2 = 4 NO2 + 8 H2O + 4 SO3
CuO + KOH = K2CuO2 + H2O =>
CuO + 2 KOH = K2CuO2 + H2O
Ca(OH)2 + MgO = MgOH + Ca(O)2 =>
Ca(OH)2 + 2 MgO = 2 MgOH + Ca(O)2
Ca3(PO4)2(s) + SiO2(s) + C = CaSiO3(s) + P(s) + CO =>
Ca3(PO4)2(s) + 3 SiO2(s) + 5 C = 3 CaSiO3(s) + 2 P(s) + 5 CO
Cl2 + O7 + H2O = Cl(OH)2 =>
7 Cl2 + 2 O7 + 14 H2O = 14 Cl(OH)2
C6H5NaO + H2O = C6H6 + NaOH + OH =>
C6H5NaO + 2 H2O = C6H6 + NaOH + 2 OH
Ni2O3 + ClO3 = Ni2O3Cl + O2 =>
2 Ni2O3 + 2 ClO3 = 2 Ni2O3Cl + 3 O2
Na2S + HIO3 + H2SO4 = NaHSO4 + H2O + I2 =>
5 Na2S + 8 HIO3 + 5 H2SO4 = 10 NaHSO4 + 4 H2O + 4 I2
KBr + KBrO3 + H2O = KOH + Br =>
5 KBr + KBrO3 + 3 H2O = 6 KOH + 6 Br
Fe + CdBr2 = FeBr2 + Cd =>
Fe + CdBr2 = FeBr2 + Cd
CH3CO2NH4 = NH4 + CH3CO2 =>
CH3CO2NH4 = NH4 + CH3CO2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
HNO3 + C6H5Cl = ClC6H4NO2 + H2O =>
HNO3 + C6H5Cl = ClC6H4NO2 + H2O
Cr(NO3)3 + Na(PO4) = Cr(PO4)3 + Na(NO3) =>
Cr(NO3)3 + 3 Na(PO4) = Cr(PO4)3 + 3 Na(NO3)
Na2S2O3 + Ca(OCl)2 + H2O = Na2S4O6 + CaCl2 + NaOH =>
4 Na2S2O3 + Ca(OCl)2 + 2 H2O = 2 Na2S4O6 + CaCl2 + 4 NaOH
SO + H2O = H2(SO2) =>
SO + H2O = H2(SO2)
F2(g) + NaBr(aq) = NaF(aq) + Br2(i) =>
F2(g) + 2 NaBr(aq) = 2 NaF(aq) + Br2(i)
C2H7N + HBr = CH3CH2Br + NH3 =>
C2H7N + HBr = CH3CH2Br + NH3
SbS + HCl = SbCl + HS =>
SbS + HCl = SbCl + HS
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