| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Fe + 3 O2 = 2 Fe2O3
H3CCH2OH + K2Cr2O7 + H2SO4 = H3CCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 H3CCH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 H3CCOOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Mn(SO4) + NaOH = Mn(OH)2 + Na2SO4 =>
Mn(SO4) + 2 NaOH = Mn(OH)2 + Na2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2O + Zn + NO3{-} + OH{-} = NH3 + Zn(OH)4{2-} =>
6 H2O + 4 Zn + NO3{-} + 7 OH{-} = NH3 + 4 Zn(OH)4{2-}
BiONO3 + Na2[Sn(OH)4] + NaOH + H2O = Bi + Na2[Sn(OH)6] + NaNO3 =>
2 BiONO3 + 3 Na2[Sn(OH)4] + 2 NaOH + 2 H2O = 2 Bi + 3 Na2[Sn(OH)6] + 2 NaNO3
FeCl2 + KSCN = FeCN + KSCl2 =>
FeCl2 + KSCN = FeCN + KSCl2
AgNO3 = Ag + O2 + NO2 =>
2 AgNO3 = 2 Ag + O2 + 2 NO2
FeCl2 + KSCN = FeCN + KSCl2 =>
FeCl2 + KSCN = FeCN + KSCl2
K2Cr2O7 + Na2S + H2SO4 = Cr2(SO4)4 + K2SO4 + Na2SO4 + H2O =>
2 K2Cr2O7 + Na2S + 10 H2SO4 = 2 Cr2(SO4)4 + 2 K2SO4 + Na2SO4 + 10 H2O
C4H8O + OH = C4H7O2 + H2O =>
C4H8O + 3 OH = C4H7O2 + 2 H2O
V2O5 + C2H6O + H2SO4 = VOSO4 + H2O + C2H4O =>
V2O5 + C2H6O + 2 H2SO4 = 2 VOSO4 + 3 H2O + C2H4O
MgCl2 + KBr = MgBr2 + KCl =>
MgCl2 + 2 KBr = MgBr2 + 2 KCl
CH3CH2CH2NH2 + HCl = C3H7NH3Cl =>
CH3CH2CH2NH2 + HCl = C3H7NH3Cl
Zn + CuBr2 = ZnBr2 + Cu2 =>
2 Zn + 2 CuBr2 = 2 ZnBr2 + Cu2
FeCl2 + KSCN = FeCN + KSCl2 =>
FeCl2 + KSCN = FeCN + KSCl2
NaOH + HI = NaH + HIO3 =>
3 NaOH + HI = 3 NaH + HIO3
P2O3 + NaOH = Na2O + P(OH)3 =>
P2O3 + 6 NaOH = 3 Na2O + 2 P(OH)3
Sn(s) + HI(aq) = SnI + H2 =>
2 Sn(s) + 2 HI(aq) = 2 SnI + H2
AgF + K2SO4 = Ag2SO4 + KF =>
2 AgF + K2SO4 = Ag2SO4 + 2 KF
SO2 + HClO + NaOH = NaCl + H2SO4 =>
SO2 + HClO + NaOH = NaCl + H2SO4
KI + Cl2 = KCl + I =>
2 KI + Cl2 = 2 KCl + 2 I
NaCHO + H2O = NaCO2 + H3O =>
NaCHO + 4 H2O = NaCO2 + 3 H3O
I{-} + SO4{2-} + H2O = I2 + H2S + OH{-} =>
8 I{-} + SO4{2-} + 6 H2O = 4 I2 + H2S + 10 OH{-}
Cl2O7 = Cl + O2 =>
2 Cl2O7 = 4 Cl + 7 O2
Cu + HCl + NaClO = H2O + CuCl6 + NaCl =>
Cu + 6 HCl + 3 NaClO = 3 H2O + CuCl6 + 3 NaCl
Fe(s) + CuSO4(aq) = FeSO4(aq) + Cu(s) =>
Fe(s) + CuSO4(aq) = FeSO4(aq) + Cu(s)
C2H5COONa + NaOH = C2H5COOH + Na2O =>
C2H5COONa + NaOH = C2H5COOH + Na2O
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
SiO2 + H2SO4 = H2SiO3 + SO3 =>
SiO2 + H2SO4 = H2SiO3 + SO3
Fe(OH)3 + KOH = KFeO2 + H2O =>
Fe(OH)3 + KOH = KFeO2 + 2 H2O
N2(s) + O2(g) = NO(g) =>
N2(s) + O2(g) = 2 NO(g)
HgO + H2O = H2 + HgO2 =>
HgO + H2O = H2 + HgO2
ThF4 + Ca = Th + CaF2 =>
ThF4 + 2 Ca = Th + 2 CaF2
PbSO4 + AlCl3 = PbCl2 + Al2(SO4)3 =>
3 PbSO4 + 2 AlCl3 = 3 PbCl2 + Al2(SO4)3
K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg
C9H8O4 + OH = H2O + C9H7O4 =>
C9H8O4 + OH = H2O + C9H7O4
P2O3 + KOH = K3PO3 + H2O =>
P2O3 + 6 KOH = 2 K3PO3 + 3 H2O
CH3COOH + CH32CHCH2CH2OH = CH3COOCH2CH2CHCH3CH3 + H2O =>
53 CH3COOH + 5 CH32CHCH2CH2OH = 18 CH3COOCH2CH2CHCH3CH3 + 75 H2O
KY + KClO4 + H2SO4 = KCl + Y2 + K2SO4 + H2O =>
8 KY + KClO4 + 4 H2SO4 = KCl + 4 Y2 + 4 K2SO4 + 4 H2O
SiO2 + HF + NaF = Na2(SiF6) + H2O =>
SiO2 + 4 HF + 2 NaF = Na2(SiF6) + 2 H2O
FeCl3 + Hg(NO3)2 = HgCl2 + Fe(NO3)3 =>
2 FeCl3 + 3 Hg(NO3)2 = 3 HgCl2 + 2 Fe(NO3)3
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Ca(OH)2 + H2S = CaS + H2O =>
Ca(OH)2 + H2S = CaS + 2 H2O
Na2CO3 + Ba(NO3)2 = BaCO3 + NaNO3 =>
Na2CO3 + Ba(NO3)2 = BaCO3 + 2 NaNO3
NaOH + KMnO4 = NaMnO4 + KOH = =>
NaOH + KMnO4 = NaMnO4 + KOH
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/15/24
Équations équilibrées sur12/15/23
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