| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Na + 2 H2O = 4 NaH + O2
NaOH(cr) + Mg(NO3)2(cr) = Na(NO3)(cr) + Mg(OH)2(cr) =>
2 NaOH(cr) + Mg(NO3)2(cr) = 2 Na(NO3)(cr) + Mg(OH)2(cr)
S + NaOH = Na2S2O3 + Na2S + H2O =>
4 S + 6 NaOH = Na2S2O3 + 2 Na2S + 3 H2O
N2H6SO4 + CuSO4 = N2 + Cu + H2SO4 =>
N2H6SO4 + 2 CuSO4 = N2 + 2 Cu + 3 H2SO4
Al + CuO + KOH = KAlO2 + Cu + H2O =>
2 Al + 3 CuO + 2 KOH = 2 KAlO2 + 3 Cu + H2O
CH3 + CH2 + OH = CH3CH2OH =>
CH3 + CH2 + OH = CH3CH2OH
C7H8 + NO3 = CO2 + H2O + N2 =>
C7H8 + 6 NO3 = 7 CO2 + 4 H2O + 3 N2
H2SO4 + KClO = K2SO4 + HClO =>
H2SO4 + 2 KClO = K2SO4 + 2 HClO
Cl2(g) + Na2S(aq) = NaCl(aq) + S(s) =>
Cl2(g) + Na2S(aq) = 2 NaCl(aq) + S(s)
S4O10 + H2O = H + SO4 =>
S4O10 + 6 H2O = 12 H + 4 SO4
Co(s) + HBrO4(aq) = Co(BrO4)3(aq) + H2(g) =>
2 Co(s) + 6 HBrO4(aq) = 2 Co(BrO4)3(aq) + 3 H2(g)
Ca2H6 + O2 = CaO + H2O =>
2 Ca2H6 + 5 O2 = 4 CaO + 6 H2O
MgI2 + Fe(OH)3 = Mg(OH)2 + FeI3 =>
3 MgI2 + 2 Fe(OH)3 = 3 Mg(OH)2 + 2 FeI3
SO2 + Na2O = NaO + SO =>
SO2 + Na2O = 2 NaO + SO
AgNO3 + NH3*H2O = Ag2O + NH4NO3 + H2O =>
2 AgNO3 + 2 NH3*H2O = Ag2O + 2 NH4NO3 + H2O
H2O2 + KI = O2 + HI + KOH =>
2 H2O2 + 2 KI = O2 + 2 HI + 2 KOH
NH4I = NH4 + I2 =>
2 NH4I = 2 NH4 + I2
(C6H5)2Si(OH)OSi(OH)(C6H5)2 = (C6H5)2SiO(C6H5)2SiO(C6H5)2SiO(C6H5)2SiO + H2O =>
2(C6H5)2Si(OH)OSi(OH)(C6H5)2 = (C6H5)2SiO(C6H5)2SiO(C6H5)2SiO(C6H5)2SiO + 2 H2O
CO3{-}2 + H2O = HCO3{-} + OH =>
CO3{-}2 + H2O = HCO3{-} + OH
C29H50O2 = C29 + H0 + O2 =>
C29H50O2 = C29 + 50 H0 + O2
Fe2(SO4)3 + PO4 = FePO4 + SO4 =>
Fe2(SO4)3 + 2 PO4 = 2 FePO4 + 3 SO4
HCOOH + CuCO3 = CuHCOO + H2O + CO2 =>
3 HCOOH + 2 CuCO3 = 2 CuHCOO + 2 H2O + 3 CO2
BeCl2 + P(CH3)3 = Be(CH3)2 + PCl3 =>
3 BeCl2 + 2 P(CH3)3 = 3 Be(CH3)2 + 2 PCl3
NaNO2 + KHCO3 = NaHCO3 + KNO2 =>
NaNO2 + KHCO3 = NaHCO3 + KNO2
CoO + CaCO3 + NH4H2PO4 = CaCoP2O7 + NH3 + CO2 + H2O =>
CoO + CaCO3 + 2 NH4H2PO4 = CaCoP2O7 + 2 NH3 + CO2 + 3 H2O
AgNO3 + S = Ag2S + NO3 =>
2 AgNO3 + S = Ag2S + 2 NO3
KNO2 + KI + (H2SO4)4 = I2 + NO + K2SO4 + H2O =>
4 KNO2 + 4 KI + (H2SO4)4 = 2 I2 + 4 NO + 4 K2SO4 + 4 H2O
Li + H2O = Li{+} + H2 + OH{-} =>
2 Li + 2 H2O = 2 Li{+} + H2 + 2 OH{-}
Ni + H2O = Ni2O3 + H2 =>
2 Ni + 3 H2O = Ni2O3 + 3 H2
KMnO4 = K4MnO4 + MnO2 + O =>
4 KMnO4 = K4MnO4 + 3 MnO2 + 6 O
C3H6O + CH3COONa + CH5N3O*HCl = C4H9N3O + NaCl + CH3COOH + H2O =>
C3H6O + CH3COONa + CH5N3O*HCl = C4H9N3O + NaCl + CH3COOH + H2O
C6H5NH2 + NaOH = C6H5ONa + NH3 =>
C6H5NH2 + NaOH = C6H5ONa + NH3
NaNO2 + CH2O2 = HNO2 + NaCO2H =>
NaNO2 + CH2O2 = HNO2 + NaCO2H
CuCl + H2 + HCO3 = CuCO3 + H2Cl =>
2 CuCl + H2 + 2 HCO3 = 2 CuCO3 + 2 H2Cl
CH3CH2CH(OH)2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH2CH2COOH + H2O =>
20 CH3CH2CH(OH)2 + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO2 + 15 CH3CH2CH2COOH + 28 H2O
NaI + Al(NO3)3 = NaNO3 + Al(I)3 =>
3 NaI + Al(NO3)3 = 3 NaNO3 + Al(I)3
BI3 + Br2 = BBr3 + I2 =>
2 BI3 + 3 Br2 = 2 BBr3 + 3 I2
Sb(CO3)4 + H2SO4 = Sb(SO4)4 + CO2 + H2O =>
Sb(CO3)4 + 4 H2SO4 = Sb(SO4)4 + 4 CO2 + 4 H2O
Na2HPO4 + H + (NH4)6[Mo7O24] = (NH4)3[P(Mo3O10)4] + H2O + Na + NH4 =>
7 Na2HPO4 + 65 H + 12(NH4)6[Mo7O24] = 7(NH4)3[P(Mo3O10)4] + 36 H2O + 14 Na + 51 NH4
SnCO3 + NaOH = Na2CO3 + Sn(OH)2 =>
SnCO3 + 2 NaOH = Na2CO3 + Sn(OH)2
OH + Ca = CaOH =>
OH + Ca = CaOH
PdCl + HNO3 = Pd(NO3) + HCl =>
PdCl + HNO3 = Pd(NO3) + HCl
Li + Be3N2 = Li3N + Be =>
6 Li + Be3N2 = 2 Li3N + 3 Be
S2O3{2-} + H2O = S{2-} + SO4{2-} + H{+} =>
S2O3{2-} + H2O = S{2-} + SO4{2-} + 2 H{+}
SO2 + KOH + KBrO3 = KBr + K2SO4 + H2O =>
3 SO2 + 6 KOH + KBrO3 = KBr + 3 K2SO4 + 3 H2O
NH4Cl + NH4NO3 = N + Cl + H2O =>
NH4Cl + 2 NH4NO3 = 5 N + Cl + 6 H2O
Cu(NO3)2 + H2 = Cu + NH3 + H2O =>
Cu(NO3)2 + 9 H2 = Cu + 2 NH3 + 6 H2O
Sr(NO3)2 + K2SO4 = KNO3 + SrSO4 =>
Sr(NO3)2 + K2SO4 = 2 KNO3 + SrSO4
FeCl3 + NaCO3 = Fe2 + (CO3)3 + NaCl =>
2 FeCl3 + 6 NaCO3 = Fe2 + 2(CO3)3 + 6 NaCl
FeSO4 + AlCl3 = FeCl2 + Al2(SO4)3 =>
3 FeSO4 + 2 AlCl3 = 3 FeCl2 + Al2(SO4)3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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