| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaCO3H2SO4 = CaSO4H2OCO2
CH3COOH + C9H24O3 = CH3CO2CH2CH2CH3 + H2O =>
3 CH3COOH + C9H24O3 = 3 CH3CO2CH2CH2CH3 + 3 H2O
FeBr3(aq) + KOH(aq) = Fe(OH)3 + KBr =>
FeBr3(aq) + 3 KOH(aq) = Fe(OH)3 + 3 KBr
(i)NH3 + O2 = NO + H2O =>
4(i)NH3 + 5 O2 = 4 NO + 6 H2O
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + H2O + K2SO4 =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 5 Na2SO4 + 3 H2O + K2SO4
Te + S = Te2S5 =>
2 Te + 5 S = Te2S5
Li(ClO3) = O2 + (LiCl) =>
2 Li(ClO3) = 3 O2 + 2(LiCl)
NH3 + KMnO4 + KOH = KNO3 + K2MnO4 + H2O =>
NH3 + 8 KMnO4 + 9 KOH = KNO3 + 8 K2MnO4 + 6 H2O
NH4ClO4 = H2O + Cl2 + N2O + O2 =>
4 NH4ClO4 = 8 H2O + 2 Cl2 + 2 N2O + 3 O2
B + O2 = B4O6 =>
4 B + 3 O2 = B4O6
HNO2 + NH = H + N2O2 =>
HNO2 + NH = 2 H + N2O2
CH3CH2COOH + KHCO3 = CH3CH2COOK + H2O + CO2 =>
CH3CH2COOH + KHCO3 = CH3CH2COOK + H2O + CO2
Ni(NO3)2 + Na2CO3 = NiCO3 + NaNO3 =>
Ni(NO3)2 + Na2CO3 = NiCO3 + 2 NaNO3
Ba(OH)2 + HPO3 = Ba(PO3)2 + H2O =>
Ba(OH)2 + 2 HPO3 = Ba(PO3)2 + 2 H2O
Cl + NaOH = NaCl + NaClO2 + H2O =>
4 Cl + 4 NaOH = 3 NaCl + NaClO2 + 2 H2O
Hg + L2 = HgL2 =>
Hg + L2 = HgL2
H2 + NaF = HF + Na =>
H2 + 2 NaF = 2 HF + 2 Na
CH4 + H2O = CH3COOH + H2 =>
2 CH4 + 2 H2O = CH3COOH + 4 H2
Fe2(SO4)3 + Cu = Fe2 + CuSO4 =>
Fe2(SO4)3 + 3 Cu = Fe2 + 3 CuSO4
Zn + FeCl3 = FeZn3 + Cl2 =>
6 Zn + 2 FeCl3 = 2 FeZn3 + 3 Cl2
NaMnO4 + HBr = MnBr2 + Br2 + NaBr + H2O =>
2 NaMnO4 + 16 HBr = 2 MnBr2 + 5 Br2 + 2 NaBr + 8 H2O
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
Br{-} + Fe(NO3)3 = Fe(NO3)2 + Br2 + NO3{-} =>
2 Br{-} + 2 Fe(NO3)3 = 2 Fe(NO3)2 + Br2 + 2 NO3{-}
CrBr3 + AgNO3 = CrAg + NO3Br3 =>
CrBr3 + AgNO3 = CrAg + NO3Br3
H3BrO3 + H2O = H2BrO3{-} + H3O{+} =>
H3BrO3 + H2O = H2BrO3{-} + H3O{+}
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CoCl2K3Fe(CN)6 = CoFe(CN)6Cl2K3 =>
CoCl2K3Fe(CN)6 = CoFe(CN)6Cl2K3
CaCl2*2H2O + Na2SO4 = CaSO4*2H2O + NaCl =>
CaCl2*2H2O + Na2SO4 = CaSO4*2H2O + 2 NaCl
Ag + O2 = (Ag2O) =>
4 Ag + O2 = 2(Ag2O)
(NH4)3PO4 + V(C2H3O2)2 = C2H7NO2 + V3(PO4)2 =>
2(NH4)3PO4 + 3 V(C2H3O2)2 = 6 C2H7NO2 + V3(PO4)2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
[Cu(NH4)3](OH)2 + CO = H2[Cu(CO)4] + H2CO3 + NH3 + H2O =>
2[Cu(NH4)3](OH)2 + 9 CO = 2 H2[Cu(CO)4] + H2CO3 + 6 NH3 + 2 H2O
Bi + HNO3 = N2O3 + Bi(NO3)2 + H2O =>
2 Bi + 6 HNO3 = N2O3 + 2 Bi(NO3)2 + 3 H2O
MnCl2 + Na2S = MnNa2 + SCl2 =>
MnCl2 + Na2S = MnNa2 + SCl2
KSCN + FeCl = Fe(KSCN) + Cl =>
KSCN + FeCl = Fe(KSCN) + Cl
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cr(NO3)3ZnCl2 = CrCl2Zn(NO3)3 =>
Cr(NO3)3ZnCl2 = CrCl2Zn(NO3)3
Ir(ClO3)7 = O2 + IrCl7 =>
2 Ir(ClO3)7 = 21 O2 + 2 IrCl7
Na2O + H2O + SO4 = Na2SO4 + OH =>
Na2O + H2O + SO4 = Na2SO4 + 2 OH
Na3ScF6 + Al2O3 = Na2Sc2OF6 + Na2Al2O2F4 + NaF =>
2 Na3ScF6 + Al2O3 = Na2Sc2OF6 + Na2Al2O2F4 + 2 NaF
Hg(NO3)2 + KCN = Hg(CN)2 + KNO3 =>
Hg(NO3)2 + 2 KCN = Hg(CN)2 + 2 KNO3
Mg + CO2 = MgO + CO =>
Mg + CO2 = MgO + CO
C17H35COOH + HCl = C17H35CO + HClOH =>
C17H35COOH + HCl = C17H35CO + HClOH
Cr(NO3)3 + PbO2 + NaOH = Na2CrO4 + Na[Pb(OH)3] + NaNO3 + H2O =>
2 Cr(NO3)3 + 3 PbO2 + 13 NaOH = 2 Na2CrO4 + 3 Na[Pb(OH)3] + 6 NaNO3 + 2 H2O
KClO3 + HBr = Br2 + H2O + KCl =>
KClO3 + 6 HBr = 3 Br2 + 3 H2O + KCl
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