| Équations équilibrées la veille |
MgBr2 = Br2 + Mg
CH3COOCH + NaHCO3 = CH3COONa + H2O + CO2 =>
2 CH3COOCH + 3 NaHCO3 = 3 CH3COONa + H2O + 3 CO2
P2O5 + FeO = P2O5FeO =>
P2O5 + FeO = P2O5FeO
HC6H4NO2 + Ba(OH)2 = C6H4NO2 + H2O + Ba =>
2 HC6H4NO2 + Ba(OH)2 = 2 C6H4NO2 + 2 H2O + Ba
As2S3 + HClO3 + H2O = H3AsO3 + HCl + S =>
As2S3 + HClO3 + 3 H2O = 2 H3AsO3 + HCl + 3 S
FeCO3 + HCl = H2CO3 + FeCl2 =>
FeCO3 + 2 HCl = H2CO3 + FeCl2
CaC2 + MnO2 = Mn + CO + CaO =>
2 CaC2 + 3 MnO2 = 3 Mn + 4 CO + 2 CaO
NaH + Ba(NO3)2 = NaNO3 + BaH2 =>
2 NaH + Ba(NO3)2 = 2 NaNO3 + BaH2
Ca + H3N = Ca3N2 + H =>
3 Ca + 2 H3N = Ca3N2 + 6 H
Na3 + PO4 + CuCl2 = Na2Cl3 + CuPO4 =>
4 Na3 + 9 PO4 + 9 CuCl2 = 6 Na2Cl3 + 9 CuPO4
P + H3PO4 + I = H3PO4PI =>
P + H3PO4 + I = H3PO4PI
NiCl2 + (NH4)2S = NiS + (NH4)2Cl2 =>
NiCl2 + (NH4)2S = NiS + (NH4)2Cl2
OF2 + H2O = O2 + HF =>
OF2 + H2O = O2 + 2 HF
HC2H3O2 + CaCO3 = H2O + CO2 + Ca(H3C2O2)2 =>
2 HC2H3O2 + CaCO3 = H2O + CO2 + Ca(H3C2O2)2
(NH4)2SO4 + C = NH3 + H2O + SO2 + CO2 =>
2(NH4)2SO4 + C = 4 NH3 + 2 H2O + 2 SO2 + CO2
C14H12 + C5H6NBr3 = C14H10Br2 + C5H6NBr + H =>
C14H12 + C5H6NBr3 = C14H10Br2 + C5H6NBr + 2 H
H2CO + K2Cr2O7 + H2SO4 = CO2 + H2O + K2SO4 + Cr2(SO4)3 =>
3 H2CO + 2 K2Cr2O7 + 8 H2SO4 = 3 CO2 + 11 H2O + 2 K2SO4 + 2 Cr2(SO4)3
Pb(NO3) + K2CrO4 = PbCrO4 + K + NO3 =>
Pb(NO3) + K2CrO4 = PbCrO4 + 2 K + NO3
Ni{2+} + Ge = Ni + Ge{4+} =>
2 Ni{2+} + Ge = 2 Ni + Ge{4+}
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
FeO + H2SO4 = FeSO4 + H2O =>
FeO + H2SO4 = FeSO4 + H2O
HI + Na2CO3 = H2CO3 + NaI =>
2 HI + Na2CO3 = H2CO3 + 2 NaI
Co(NO3)2 + NH3*H2O + (NH4)2CO3 = [Co(NH3)4CO3]NO3 + NH4NO3 + H2O =>
8 Co(NO3)2 + 22 NH3*H2O + 8(NH4)2CO3 = 8[Co(NH3)4CO3]NO3 + 7 NH4NO3 + 25 H2O
Na(s) + H2O(aq) = NaOH(aq) + H2(s) =>
2 Na(s) + 2 H2O(aq) = 2 NaOH(aq) + H2(s)
Cu3O2 + CH4 = Cu + CO2 + H2O =>
2 Cu3O2 + CH4 = 6 Cu + CO2 + 2 H2O
Li2O + SO2 = LiO2 + S =>
2 Li2O + 3 SO2 = 4 LiO2 + 3 S
C6H4(CH3)2 + O2 = H2O + CO2 =>
2 C6H4(CH3)2 + 21 O2 = 10 H2O + 16 CO2
CaC2 + HBr = CaBr2 + C2H2 =>
CaC2 + 2 HBr = CaBr2 + C2H2
Fe + (SO4)3 + NH4OH = (NH4)2SO4 + Fe(OH)2 =>
3 Fe + (SO4)3 + 6 NH4OH = 3(NH4)2SO4 + 3 Fe(OH)2
SO3 + Mg(OH)2 = Mg(HSO4)2 =>
2 SO3 + Mg(OH)2 = Mg(HSO4)2
Sb + Cl2 = SbCl3 =>
2 Sb + 3 Cl2 = 2 SbCl3
Ce{+4} + H2O2 = Ce{+3} + H{+} + O2 =>
2 Ce{+4} + H2O2 = 2 Ce{+3} + 2 H{+} + O2
As2O3 + Zn + H2CO3 = AsH3 + ZnCO3 + H2O =>
As2O3 + 6 Zn + 6 H2CO3 = 2 AsH3 + 6 ZnCO3 + 3 H2O
Zn(NO3)2 + AgCl = ZnCl2 + AgNO3 =>
Zn(NO3)2 + 2 AgCl = ZnCl2 + 2 AgNO3
P4 + NaOH + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
SO3 + Mg(OH)2 = Mg(HSO4)2 =>
2 SO3 + Mg(OH)2 = Mg(HSO4)2
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H2PtCl6 + NaNO2 = Na2(Pt(NO2)4) + NaCl + NO2 + NO + H2O =>
H2PtCl6 + 8 NaNO2 = Na2(Pt(NO2)4) + 6 NaCl + 3 NO2 + NO + H2O
As2O3 + MnO4({-}) + H{+} + H2O = H3AsO4 + Mn{+2} =>
5 As2O3 + 4 MnO4({-}) + 12 H{+} + 9 H2O = 10 H3AsO4 + 4 Mn{+2}
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
B + C = B4C3 =>
4 B + 3 C = B4C3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C6H12O6 = C41H74O6 + H2O + CO2 =>
113 C6H12O6 = 12 C41H74O6 + 234 H2O + 186 CO2
NH4NO3 + Mg = Mg(NO3)2 + NH4 =>
2 NH4NO3 + Mg = Mg(NO3)2 + 2 NH4
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
C3H8O3(l) + O2(g) = CO2(g) + H2O(l) =>
2 C3H8O3(l) + 7 O2(g) = 6 CO2(g) + 8 H2O(l)
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