| Équations équilibrées la veille | Équations équilibrées le lendemain |
37 C6H5CHO + 6 Cr2O7{-}2 + 10 H{+} = 37 C6H5COOH + 4 Cr3{+} + 5 H2O
Ba + Na(OH)2 = Ba(OH)2 + Na =>
Ba + Na(OH)2 = Ba(OH)2 + Na
NaNO3 + H2SO4 = HNO3 + NaHSO4 =>
NaNO3 + H2SO4 = HNO3 + NaHSO4
N3 + O2 = N2O3 =>
4 N3 + 9 O2 = 6 N2O3
H2O + Na = H2 + NaOH =>
2 H2O + 2 Na = H2 + 2 NaOH
SO2 + H2O = SO3 + H2 =>
SO2 + H2O = SO3 + H2
C6H5CHO + Cr2O7{2-} + H{+} = C6H5COOH + Cr3{+} + H2O =>
17 C6H5CHO + 3 Cr2O7{2-} + 8 H{+} = 17 C6H5COOH + 2 Cr3{+} + 4 H2O
NH4NO3 + H2SO4 = HNO3 + NH5SO4 =>
NH4NO3 + H2SO4 = HNO3 + NH5SO4
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
C6H5CHO + Cr2O7{2-} + H{+} = C6H5COOH + Cr{3+} + H2O =>
3 C6H5CHO + Cr2O7{2-} + 8 H{+} = 3 C6H5COOH + 2 Cr{3+} + 4 H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
NH4OH + H2SO4 = (NH4)2SO4 + H2O =>
2 NH4OH + H2SO4 = (NH4)2SO4 + 2 H2O
Ba(OH)2 + H2SO4 = H2O + BaSO4 =>
Ba(OH)2 + H2SO4 = 2 H2O + BaSO4
Na2SiO3 + HF = H2SiO3 + NaF =>
Na2SiO3 + 2 HF = H2SiO3 + 2 NaF
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
KMnO4 + H2SO4 = K2SO4 + MnSO4 + O3 + H2O =>
6 KMnO4 + 9 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 O3 + 9 H2O
NaHCo3 + H2O = NaCo3 + H3O =>
NaHCo3 + H2O = NaCo3 + H3O
(NH4)2CO3 = NH3 + CO2 + H2O =>
(NH4)2CO3 = 2 NH3 + CO2 + H2O
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
HCl + MnO2 = MnCl2 + H2O + Cl2 =>
4 HCl + MnO2 = MnCl2 + 2 H2O + Cl2
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al(s) + MnO2(s) = Al2O3(s) + Mn(s) =>
4 Al(s) + 3 MnO2(s) = 2 Al2O3(s) + 3 Mn(s)
NH4CL + H2O = H3O + NH3 + CL =>
NH4CL + H2O = H3O + NH3 + CL
KI + KMnO4 + HCl = I2 + MnCl2 + KCl + H2O =>
10 KI + 2 KMnO4 + 16 HCl = 5 I2 + 2 MnCl2 + 12 KCl + 8 H2O
CN{-} + CrO4{-} + H2O = CNO{-} + Cr(OH)4{-} =>
2 CN{-} + CrO4{-} + 2 H2O = 2 CNO{-} + Cr(OH)4{-}
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
S + HNO3 = H2SO4 + NO2 + H20 =>
10 S + 40 HNO3 = 10 H2SO4 + 40 NO2 + H20
NH3 + O2 = H2O + NO2 =>
4 NH3 + 7 O2 = 6 H2O + 4 NO2
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
KI + H2SO4 = K2SO4 + I2 + H2S + H2O =>
8 KI + 5 H2SO4 = 4 K2SO4 + 4 I2 + H2S + 4 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cr2O7{2-} + H3AsO3 + H{+} = Cr{3+} + H3AsO4 + H2O =>
Cr2O7{2-} + 3 H3AsO3 + 8 H{+} = 2 Cr{3+} + 3 H3AsO4 + 4 H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Cl2 + KOH = KCl + KClO + H2O =>
Cl2 + 2 KOH = KCl + KClO + H2O
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
(NH2)2CO + NO = N2 + CO2 + H2O =>
2(NH2)2CO + 6 NO = 5 N2 + 2 CO2 + 4 H2O
Al + MnO2 = Al2O3 + Mn =>
4 Al + 3 MnO2 = 2 Al2O3 + 3 Mn
Al(OH)3 + H2So4 = Al2(So4)3 + H2O =>
2 Al(OH)3 + 3 H2So4 = Al2(So4)3 + 6 H2O
Cl2 + MnO4{-} + H{+} = ClO3{-} + Mn{2+} + H20 =>
8 Cl2 + 12 MnO4{-} + 20 H{+} = 16 ClO3{-} + 12 Mn{2+} + H20
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur06/13/18
Équations équilibrées sur07/13/17
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