| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2O2 + Ca(OH)2 = CaO2 + 2 H2O
PbCl2 + F2 = PbF + Cl2 =>
2 PbCl2 + F2 = 2 PbF + 2 Cl2
(Bi(SCN)6){3-} + (HCO3){-} = (Bi(HCO3)6){-} + (SCN){-} + {-} =>
(Bi(SCN)6){3-} + 6(HCO3){-} = (Bi(HCO3)6){-} + 6(SCN){-} + 2e
Ca(CaCO3) + HCl = CaCl + H2O + CO2 =>
Ca(CaCO3) + 2 HCl = 2 CaCl + H2O + CO2
Mg(NO3)2 + NH3 = Mg(NH3)2 + NO3 =>
Mg(NO3)2 + 2 NH3 = Mg(NH3)2 + 2 NO3
NaClO3 + HCl = NaCl + ClO3 + H2O =>
7 NaClO3 + 6 HCl = 7 NaCl + 6 ClO3 + 3 H2O
Na2S2O8 + C6H4ClNO2 + H2O = Na{+} + SO4{2-} + CO2 + H{+} + Cl{-} + NO3{-} =>
14 Na2S2O8 + C6H4ClNO2 + 13 H2O = 28 Na{+} + 28 SO4{2-} + 6 CO2 + 30 H{+} + Cl{-} + NO3{-}
CoSO4 + Bi = Bi(SO4)3 + Co =>
3 CoSO4 + Bi = Bi(SO4)3 + 3 Co
Zn(s) + P4(s) = Zn(s)P4(s) =>
Zn(s) + P4(s) = Zn(s)P4(s)
Cs2O + H2SeO4 = Cs2SeO4 + H2O =>
Cs2O + H2SeO4 = Cs2SeO4 + H2O
Cr2Cl = Cl + Cr =>
Cr2Cl = Cl + 2 Cr
Na2[Sn(OH)4] = Na2[Sn(OH)6] + Sn + NaOH =>
2 Na2[Sn(OH)4] = Na2[Sn(OH)6] + Sn + 2 NaOH
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
(CH3)2CHOH + NaNO2 + H2SO4 = (CH3)2CHNO2 + Na2SO4 + H2O =>
2(CH3)2CHOH + 2 NaNO2 + H2SO4 = 2(CH3)2CHNO2 + Na2SO4 + 2 H2O
Sn(OH)2 + OH{-} = [Sn(OH)4]{-2} =>
Sn(OH)2 + 2 OH{-} = [Sn(OH)4]{-2}
L2 + Fe(OH)3 = Fe(LO)3 + FeL3 + H2O =>
3 L2 + 2 Fe(OH)3 = Fe(LO)3 + FeL3 + 3 H2O
C10H22 + H2O = CO2 + H2 =>
C10H22 + 20 H2O = 10 CO2 + 31 H2
Cr(oh)3 + H2O2 + NaOH = Na2CrO4 + H2O =>
Cr(oh)3 + 9 H2O2 + 6 NaOH = 3 Na2CrO4 + 12 H2O
Al3 + NH3 + H2O = Al(OH)3(s) + NH4(aq) =>
Al3 + 9 NH3 + 9 H2O = 3 Al(OH)3(s) + 9 NH4(aq)
MnO2(s) + HCl(aq) = Cl2(g) + MnCl2(aq) + H2O(i) =>
MnO2(s) + 4 HCl(aq) = Cl2(g) + MnCl2(aq) + 2 H2O(i)
MgCl2(aq) + Ba(OH)2(aq) = Mg(OH)2(aq) + BaCl2(aq) =>
MgCl2(aq) + Ba(OH)2(aq) = Mg(OH)2(aq) + BaCl2(aq)
H2 + O2 + SO2 = H2SO4 =>
H2 + O2 + SO2 = H2SO4
CO2 + F4 = CF4 + O2 =>
CO2 + F4 = CF4 + O2
Fe(SO4) + KI + KIO3 + H2O = Fe(OH)2 + K2SO4 + I2 =>
3 Fe(SO4) + 5 KI + KIO3 + 3 H2O = 3 Fe(OH)2 + 3 K2SO4 + 3 I2
Fe2O3 + Fe = Fe(Fe2O4) =>
4 Fe2O3 + Fe = 3 Fe(Fe2O4)
NaCO3 + HNO3 = HCO3 + Na(NO3) =>
NaCO3 + HNO3 = HCO3 + Na(NO3)
Ca(OH)2 + H2 = Ca02 + H2O =>
2 Ca(OH)2 + 2 H2 = Ca02 + 4 H2O
NaClO3 + Na2S + H2SO4 = HCl + Na2SO4 =>
4 NaClO3 + 3 Na2S + 2 H2SO4 = 4 HCl + 5 Na2SO4
SnCl2 + Bi = BiCl + Sn =>
SnCl2 + 2 Bi = 2 BiCl + Sn
Na2SiO3 + NiCl2 = Na2SiCl2 + NiO3 =>
Na2SiO3 + NiCl2 = Na2SiCl2 + NiO3
Na(s) + Br2 = NaBr =>
2 Na(s) + Br2 = 2 NaBr
SrCl2(aq) + FeSO4(aq) = SrSO4 + FeCl2 =>
SrCl2(aq) + FeSO4(aq) = SrSO4 + FeCl2
Zn(OH)2 + Ca(OH)2 = CaZnO2 + H2O =>
Zn(OH)2 + Ca(OH)2 = CaZnO2 + 2 H2O
I2 + OBr{-} + H2O = IO3{-} + Br{-} + H{+} =>
I2 + 5 OBr{-} + H2O = 2 IO3{-} + 5 Br{-} + 2 H{+}
Zn2{+} + Fe = Fe3{+} + Zn =>
Zn2{+} + 3 Fe = Fe3{+} + 2 Zn
H2SiF6 + NaF = Na2SiF6 + HF =>
H2SiF6 + 2 NaF = Na2SiF6 + 2 HF
Ca + HCl = CaCl2 + H2Cl =>
Ca + 4 HCl = CaCl2 + 2 H2Cl
PbO2(g) = PbO(s) + O2(g) =>
2 PbO2(g) = 2 PbO(s) + O2(g)
H(ClO2) + Na(OH) = HOH + NaClO2 =>
H(ClO2) + Na(OH) = HOH + NaClO2
ZnS + HNO2 = Zn(NO3)2 + H2O + NO + S =>
ZnS + 8 HNO2 = Zn(NO3)2 + 4 H2O + 6 NO + S
C8H7O2N3 + NaOH + O2 = Na2C8H5O4N + N2 + H2O =>
C8H7O2N3 + 2 NaOH + O2 = Na2C8H5O4N + N2 + 2 H2O
KMnO4 + Na2SO3 + NaOH = K2MnO4 + Na2SO4 + Na2MnO4 + H2O =>
2 KMnO4 + Na2SO3 + 2 NaOH = K2MnO4 + Na2SO4 + Na2MnO4 + H2O
KMnO4 + HBr = Br2 + KBr + MnO2 + H2O =>
2 KMnO4 + 8 HBr = 3 Br2 + 2 KBr + 2 MnO2 + 4 H2O
H2SO4 + KMnO4 + H2O2 = HMnO4 + KSO4 + H2O =>
2 H2SO4 + 2 KMnO4 + H2O2 = 2 HMnO4 + 2 KSO4 + 2 H2O
ZnSO4 + NH3 = ZnNH3 + SO4 =>
ZnSO4 + NH3 = ZnNH3 + SO4
C6H7NO + C4H6O3 = C8H9NO2 + H2O =>
2 C6H7NO + C4H6O3 = 2 C8H9NO2 + H2O
(C4H4O3) + O2 = CO2 + H2O =>
2(C4H4O3) + 7 O2 = 8 CO2 + 4 H2O
HBr + NaOH = NaBr(H2O) =>
HBr + NaOH = NaBr(H2O)
Na2(Pb(OH)6) + Na2S = PbS2 + NaOH =>
Na2(Pb(OH)6) + 2 Na2S = PbS2 + 6 NaOH
C3H7NO2S + O2 = CO2 + NH3 + H2O + SO2 =>
C3H7NO2S + 4 O2 = 3 CO2 + NH3 + 2 H2O + SO2
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