| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Co + 6 HNO3 = 2 Co(NO3)3 + 3 H2
Cl{-} + H3O{+} + Cr2O7{2-} = H2O + Cl2 + Cr{3+} =>
6 Cl{-} + 14 H3O{+} + Cr2O7{2-} = 21 H2O + 3 Cl2 + 2 Cr{3+}
PbI2 + H2O = HI + Pb(OH)2 =>
PbI2 + 2 H2O = 2 HI + Pb(OH)2
Fe2O3 + HI = FeI3 + H2O =>
Fe2O3 + 6 HI = 2 FeI3 + 3 H2O
K3(Cr(OH)6) + HCl = CrCl3 + KCl + H2O =>
K3(Cr(OH)6) + 6 HCl = CrCl3 + 3 KCl + 6 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
ClO{-} + SO32{-} = Cl{-} + SO42{-} =>
10 ClO{-} + SO32{-} = 10 Cl{-} + SO42{-}
Fe2O3 + NaNO3 = Fe(NO3)3 + Na2O =>
Fe2O3 + 6 NaNO3 = 2 Fe(NO3)3 + 3 Na2O
HNO3 + Mn(OH)2 = HOH + Mn(NO3)2 =>
2 HNO3 + Mn(OH)2 = 2 HOH + Mn(NO3)2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Fe + KCl = FeCl2 + K =>
Fe + 2 KCl = FeCl2 + 2 K
Na(l) + H2(g) = NaH =>
2 Na(l) + H2(g) = 2 NaH
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C14H10O2 + NaBH4 + H2O = C14H14O2 + NaB(OH)4 =>
2 C14H10O2 + NaBH4 + 4 H2O = 2 C14H14O2 + NaB(OH)4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NH4NO3(aq) + KOH(aq) = NH3(aq) + KNO3(aq) + H2O(l) =>
NH4NO3(aq) + KOH(aq) = NH3(aq) + KNO3(aq) + H2O(l)
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
C3H7OH + K = C3H7OK + H2 =>
2 C3H7OH + 2 K = 2 C3H7OK + H2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
CaCl2*2H2O = CaCl2 + H2O =>
CaCl2*2H2O = CaCl2 + 2 H2O
NO(g) = N2O(g) + NO2(g) =>
3 NO(g) = N2O(g) + NO2(g)
Pb + H2SO4 = PbSO4 + SO2 + H2O =>
Pb + 2 H2SO4 = PbSO4 + SO2 + 2 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaF + CuSO4 = Na2SO4 + CuF + F2 =>
4 NaF + 2 CuSO4 = 2 Na2SO4 + 2 CuF + F2
SrCl2 + (NH4)2C2O4 = SrC2O4 + NH4Cl =>
SrCl2 + (NH4)2C2O4 = SrC2O4 + 2 NH4Cl
Fe(NO3)2 + H2SO4 = FeSO4 + HNO3 =>
Fe(NO3)2 + H2SO4 = FeSO4 + 2 HNO3
Co + SCN = Co(SCN)2 =>
Co + 2 SCN = Co(SCN)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Pb(IO3)2 = Pb{2+} + IO3{-} =>
Pb(IO3)2 = Pb{2+} + 2 IO3{-}
Al(OH)3 + H2O2 + NaOH = Na2AlO4 + H2O =>
2 Al(OH)3 + 3 H2O2 + 4 NaOH = 2 Na2AlO4 + 8 H2O
C(s) + NH4NO3(s) = N2(g) + H2O(g) + CO2(g) =>
C(s) + 2 NH4NO3(s) = 2 N2(g) + 4 H2O(g) + CO2(g)
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Li + Ca3(Po4)2 = Li3Po4 + Ca =>
6 Li + Ca3(Po4)2 = 2 Li3Po4 + 3 Ca
H2SO4 + NaBr + Na(BrO3) = Na2(SO4) + H2O + Br =>
3 H2SO4 + 5 NaBr + Na(BrO3) = 3 Na2(SO4) + 3 H2O + 6 Br
氢氧化钙 + 二氧化碳 = 碳酸钙 + 水 =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
硫 + 臭氧 = 二氧化硫 =>
3 S + 2 O3 = 3 SO2
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Be + C = Be2C =>
2 Be + C = Be2C
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
C2O4H2 + NaOH = Na2C2O4 + H2O =>
C2O4H2 + 2 NaOH = Na2C2O4 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CuCl2(aq) + Na2S(aq) = CuS(s) + NaCl(aq) =>
CuCl2(aq) + Na2S(aq) = CuS(s) + 2 NaCl(aq)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al + FeCl2 = AlCl3 + Fe =>
2 Al + 3 FeCl2 = 2 AlCl3 + 3 Fe
Ru + HNO3 + HCl = H2[RuCl6] + NO + H2O =>
3 Ru + 4 HNO3 + 18 HCl = 3 H2[RuCl6] + 4 NO + 8 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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