| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 C7H11O8P + 31 O2 = 28 CO2 + 22 H2O + 4 PO4
H2SO4(aq) + KOH(aq) = K2SO4(s) + H2O(l) =>
H2SO4(aq) + 2 KOH(aq) = K2SO4(s) + 2 H2O(l)
KC2H3O2(aq) + HCl(aq) = KCl(aq) + HC2H3O2(l) =>
KC2H3O2(aq) + HCl(aq) = KCl(aq) + HC2H3O2(l)
C6H12O6 + Cr2O7 + H2SO4 = CO2 + H2O + CrSO4 =>
5 C6H12O6 + 12 Cr2O7 + 24 H2SO4 = 30 CO2 + 54 H2O + 24 CrSO4
C3H8O3 + C3H6O = C6H12O3 + H2O =>
C3H8O3 + C3H6O = C6H12O3 + H2O
K + AlCl3 = KAl + Cl =>
K + AlCl3 = KAl + 3 Cl
ZnSO4 + K3Fe(CN)6 = Zn3(Fe(CN)6)2 + K2SO4 =>
3 ZnSO4 + 2 K3Fe(CN)6 = Zn3(Fe(CN)6)2 + 3 K2SO4
K2Cr2O7 + NaNO2 + H2SO4 = Cr2(SO4)3 + K2SO4 + NaNO3 + H2O =>
K2Cr2O7 + 3 NaNO2 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 NaNO3 + 4 H2O
Ti + HNO3 = NH4NO3 + H2O + Ti(NO3)4 =>
2 Ti + 10 HNO3 = NH4NO3 + 3 H2O + 2 Ti(NO3)4
KI + HgCl2 = HgI2 + KCl =>
2 KI + HgCl2 = HgI2 + 2 KCl
Na2CO3 + CH3COH2COOH = CH3COH2COONa + CO2 + H2O =>
Na2CO3 + 2 CH3COH2COOH = 2 CH3COH2COONa + CO2 + H2O
C2H5OH + CuO = CH3CHO + Cu + H2O =>
C2H5OH + CuO = CH3CHO + Cu + H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
HNO3(aq) + Sr(OH)2(aq) = Sr(NO3)2 + H2O(l) =>
2 HNO3(aq) + Sr(OH)2(aq) = Sr(NO3)2 + 2 H2O(l)
SiO3{-2} + HF + H{+} = H2SiF6 + H2O =>
SiO3{-2} + 6 HF + 2 H{+} = H2SiF6 + 3 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
K2Cr2O7 + Al + H2O = KOH + Cr(OH)3 + Al2O3 =>
K2Cr2O7 + 2 Al + 4 H2O = 2 KOH + 2 Cr(OH)3 + Al2O3
H2O + CO2 = (CH3)2CO + O2 =>
3 H2O + 3 CO2 = (CH3)2CO + 4 O2
Na + FeBr3 = Br + FeNa =>
Na + FeBr3 = 3 Br + FeNa
Fe + HCl5 = Fe2Cl5 + H2 =>
4 Fe + 2 HCl5 = 2 Fe2Cl5 + H2
Ca(OH)2 + HCl = CaCl2 + H2O(l) =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O(l)
C12H22O11 + H2O = CH3CH2OH + CO2 =>
C12H22O11 + H2O = 4 CH3CH2OH + 4 CO2
K2Cr2O7 + KL + HNO3 = KNO3 + Cr(NO3)3 + L2 + H2O =>
K2Cr2O7 + 6 KL + 14 HNO3 = 8 KNO3 + 2 Cr(NO3)3 + 3 L2 + 7 H2O
C6H12 + Cl2 = C6H4Cl2 + H2 =>
C6H12 + Cl2 = C6H4Cl2 + 4 H2
LiS + CuCl = LiCl + SCu =>
LiS + CuCl = LiCl + SCu
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
KHO + Fe(No3)3 = K(No3)3 + FeHO =>
KHO + Fe(No3)3 = K(No3)3 + FeHO
Na + RbCl = NaCl + Rb =>
Na + RbCl = NaCl + Rb
C2H2 + KMnO4 + H2O = H2COOHCOOH2 + MnO2 + KOH =>
3 C2H2 + 5 KMnO4 + 7 H2O = 3 H2COOHCOOH2 + 5 MnO2 + 5 KOH
NaOH + CuSO4 = Cu(OH)2 + Na2SO4 = =>
2 NaOH + CuSO4 = Cu(OH)2 + Na2SO4
FeOHCl + NaOH = FeO + NaCl + H2O =>
FeOHCl + NaOH = FeO + NaCl + H2O
B2O3(aq) + HCl = BCl3(aq) + H2O =>
B2O3(aq) + 6 HCl = 2 BCl3(aq) + 3 H2O
C4H8 + HI = C4H9I =>
C4H8 + HI = C4H9I
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Ag(NO3) + HClO = Ag(ClO) + H(NO3) =>
Ag(NO3) + HClO = Ag(ClO) + H(NO3)
Nb2Br10 + H2O = Nb2O5 + Br{-} + H3O{+} =>
Nb2Br10 + 15 H2O = Nb2O5 + 10 Br{-} + 10 H3O{+}
CrCl3 + NH3 = CrCl3(NH3)2 =>
CrCl3 + 2 NH3 = CrCl3(NH3)2
Zn + I2 = ZnI =>
2 Zn + I2 = 2 ZnI
FeCl2 + K2Cr2O7 + HCl = FeCl3 + Cr2O3 + KCl + H2O =>
6 FeCl2 + K2Cr2O7 + 8 HCl = 6 FeCl3 + Cr2O3 + 2 KCl + 4 H2O
NH4Br + H2O = HBr + NH4OH =>
NH4Br + H2O = HBr + NH4OH
C(g) + H(g) = C4H8(g) =>
4 C(g) + 8 H(g) = C4H8(g)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
POH + HCl = H2O + PCl =>
POH + HCl = H2O + PCl
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Cr + Br2 = Cr2Br3 =>
4 Cr + 3 Br2 = 2 Cr2Br3
Ni + HCl = NiCl2 + H2 =>
Ni + 2 HCl = NiCl2 + H2
FeSO4 + HNO3 = NO + Fe(NO3)3 + H2O + H2SO4 =>
3 FeSO4 + 10 HNO3 = NO + 3 Fe(NO3)3 + 2 H2O + 3 H2SO4
C + H7 = C4H8 =>
28 C + 8 H7 = 7 C4H8
Pb + KOH + H2O = K4[Pb(OH)6] + H2 =>
Pb + 4 KOH + 2 H2O = K4[Pb(OH)6] + H2
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Équations équilibrées sur05/21/24
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