| Équations équilibrées la veille |
2 Fe(BO2)3 + 4 NaBO2 + C = 2 Fe(BO2) + 2 Na2B4O7 + CO2
Fe(NO3)3 + Na2S + HOH = NaNO3 + Fe(OH)3 + H2S =>
2 Fe(NO3)3 + 3 Na2S + 6 HOH = 6 NaNO3 + 2 Fe(OH)3 + 3 H2S
Mg(HCO3)2 = MgCO3 + CO2 + H2O =>
Mg(HCO3)2 = MgCO3 + CO2 + H2O
K2Cr2O7 + H2C2O4*2H2O = KCrC4O8H4O2*2H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4*2H2O = 2 KCrC4O8H4O2*2H2O + 6 CO2 + 13 H2O
Cu(NO3)2 + (NH4)3PO4 = (NH4)3(NO3)2 + CuPO4 =>
Cu(NO3)2 + (NH4)3PO4 = (NH4)3(NO3)2 + CuPO4
SO2(aq) + O2(g) + H2O(l) = H2SO4(l) =>
2 SO2(aq) + O2(g) + 2 H2O(l) = 2 H2SO4(l)
Na[AlH4] + H2O = NaOH + Al(OH)3 + H2 =>
Na[AlH4] + 4 H2O = NaOH + Al(OH)3 + 4 H2
Ln2(SO4)3 + NaOCl = Ln(OCl)3 + Na2SO4 =>
Ln2(SO4)3 + 6 NaOCl = 2 Ln(OCl)3 + 3 Na2SO4
CeO2 + SiO2 = Ce2Si2O7 + O2 =>
4 CeO2 + 4 SiO2 = 2 Ce2Si2O7 + O2
Fe3O4 + Na + H2O = Fe(OH)2 + NaOH =>
Fe3O4 + 2 Na + 4 H2O = 3 Fe(OH)2 + 2 NaOH
Cu(s) + HCl(l) = H2 + CuCl2 =>
Cu(s) + 2 HCl(l) = H2 + CuCl2
Al(OH)3 + NH3 = [Al(NH3)4](OH)3 =>
Al(OH)3 + 4 NH3 = [Al(NH3)4](OH)3
Ni(NO3)2 + Fe = Ni + Fe(NO3)2 =>
Ni(NO3)2 + Fe = Ni + Fe(NO3)2
C3H8 + OsO4 = OsC3 + H8O4 =>
C3H8 + OsO4 = OsC3 + H8O4
C8H8O3 + Pb = C8H8 + PbO3 =>
C8H8O3 + Pb = C8H8 + PbO3
CuSO4 + H2SO4 = Cu(SO4)2 + H2 =>
CuSO4 + H2SO4 = Cu(SO4)2 + H2
Ca(OH)2 + Mg(HCO3)2 = Mg(OH)2 + Ca(HCO3)2 =>
Ca(OH)2 + Mg(HCO3)2 = Mg(OH)2 + Ca(HCO3)2
H2CO3 + OH{-} = CO3{2-} + H2O =>
H2CO3 + 2 OH{-} = CO3{2-} + 2 H2O
FeCl3 + KSCN + Pb(NO3)2 = Fe(SCN)3 + KNO3 + PbCl2 =>
2 FeCl3 + 6 KSCN + 3 Pb(NO3)2 = 2 Fe(SCN)3 + 6 KNO3 + 3 PbCl2
MgCO3(s) + H2SO4(aq) = H2O + CO2 + MgSO4 =>
MgCO3(s) + H2SO4(aq) = H2O + CO2 + MgSO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ag{+} + C6H12O6 + H2O + NH3 = C6H12O7 + Ag + NH4{+} =>
2 Ag{+} + C6H12O6 + H2O + 2 NH3 = C6H12O7 + 2 Ag + 2 NH4{+}
Al2O3*2H2O + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3*2H2O + 3 H2SO4 = Al2(SO4)3 + 5 H2O
sodiumiodide + bromine = iodine + sodiumbromide =>
2 NaI + Br2 = I2 + 2 NaBr
CH3CH2COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
8 CH3CH2COOH + 7 Na2CO3 = 14 CH3COONa + 3 H2O + 3 CO2
NiO + TeO2 + MnO2 = Ni3MnTeO6 + O2 =>
6 NiO + 2 TeO2 + 2 MnO2 = 2 Ni3MnTeO6 + O2
C6H12O6 + Cu2{+} + OH{-} = C6H12O7 + Cu + H2O =>
C6H12O6 + 2 Cu2{+} + 2 OH{-} = C6H12O7 + 4 Cu + H2O
S2F2 + H2O = H2S4O6 + S8 + HF =>
20 S2F2 + 24 H2O = 4 H2S4O6 + 3 S8 + 40 HF
Mg(HCO3)2 = MgO + CO2 + H2O =>
Mg(HCO3)2 = MgO + 2 CO2 + H2O
CaCo3 + AgCl = CaCl2 + Ag2Co3 =>
CaCo3 + 2 AgCl = CaCl2 + Ag2Co3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KMnO4 + H2SO4 + KI = I2 + MnSO4 + H2O + KO =>
KMnO4 + H2SO4 + 2 KI = I2 + MnSO4 + H2O + 3 KO
C6H8O7 + Cu + H2O2 = Cu3(C6H5O7)2 + H2O =>
2 C6H8O7 + 3 Cu + 3 H2O2 = Cu3(C6H5O7)2 + 6 H2O
MnO4{-} + H2SO4 = SO4{2-} + Mn{2+} + H2 + O2 =>
2 MnO4{-} + 3 H2SO4 = 3 SO4{2-} + 2 Mn{2+} + 3 H2 + 4 O2
K(OH) + H3(PO4) = K3(PO4) + H2O =>
3 K(OH) + H3(PO4) = K3(PO4) + 3 H2O
Fe(Cl)2(aq) + Na2SO4(aq) = FeSO4 + NaCl =>
Fe(Cl)2(aq) + Na2SO4(aq) = FeSO4 + 2 NaCl
K2Cr2O7O + HCl = KCl + CrCl + Cl2 + H2O =>
K2Cr2O7O + 16 HCl = 2 KCl + 2 CrCl + 6 Cl2 + 8 H2O
FeCl3 + K(OH) = KCl + Fe(OH)3 =>
FeCl3 + 3 K(OH) = 3 KCl + Fe(OH)3
Na2 + At2 = Na(At)2 =>
Na2 + 2 At2 = 2 Na(At)2
C2H5OOCCOOC2H5 + NaOH = (COONa)2 + C2H5OH =>
C2H5OOCCOOC2H5 + 2 NaOH = (COONa)2 + 2 C2H5OH
C7H11O9P + KOH = C7H7K4O9P + H2O =>
C7H11O9P + 4 KOH = C7H7K4O9P + 4 H2O
NH3*H2O + AlCl3 = NH4Cl + Al(OH)3 =>
3 NH3*H2O + AlCl3 = 3 NH4Cl + Al(OH)3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Bi2O3 + NaOH + NaOClO = NaBiO3 + NaCl + H2O =>
Bi2O3 + 2 NaOH + NaOClO = 2 NaBiO3 + NaCl + H2O
(CH3)2CO + O2 = CO2 + H2O =>
(CH3)2CO + 4 O2 = 3 CO2 + 3 H2O
Fe + Cl2 = Fe2Cl =>
4 Fe + Cl2 = 2 Fe2Cl
K(OH) + H2(SO4) = K2(SO4) + H2O =>
2 K(OH) + H2(SO4) = K2(SO4) + 2 H2O
KCl(aq) + I2(s) = KI + Cl =>
2 KCl(aq) + I2(s) = 2 KI + 2 Cl
K2MnO4 + K2S + HCl = KCl + MnCl2 + H2O + S =>
K2MnO4 + 2 K2S + 8 HCl = 6 KCl + MnCl2 + 4 H2O + 2 S
HClO3 + C = H2O + CO2 + Cl2 =>
4 HClO3 + 5 C = 2 H2O + 5 CO2 + 2 Cl2
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