| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K2 + O2 = 2 K2O
C4H8 + KMnO4 + H2O = C4H8(OH)2 + MnO2 + KOH =>
3 C4H8 + 2 KMnO4 + 4 H2O = 3 C4H8(OH)2 + 2 MnO2 + 2 KOH
P2O5 = P + O2 =>
2 P2O5 = 4 P + 5 O2
NH4OH(aq) + Pb(NO3)2(aq) = NH4NO3(aq) + Pb(OH)2 =>
2 NH4OH(aq) + Pb(NO3)2(aq) = 2 NH4NO3(aq) + Pb(OH)2
C7H8O + KMnO4 + H2SO4 = C7H6O3 + MnSO4 + K2SO4 + H2O =>
5 C7H8O + 6 KMnO4 + 9 H2SO4 = 5 C7H6O3 + 6 MnSO4 + 3 K2SO4 + 14 H2O
MnO4{-} + Br + H2O = MnO2 + BrO3{-} + OH{-} =>
5 MnO4{-} + 3 Br + H2O = 5 MnO2 + 3 BrO3{-} + 2 OH{-}
Al + CO = AlCO =>
Al + CO = AlCO
Ca + C = Ca2C =>
2 Ca + C = Ca2C
H2SO4 + HI = SO2 + I2 + H2O =>
H2SO4 + 2 HI = SO2 + I2 + 2 H2O
Mg2 + H2O = MgO + H2 =>
Mg2 + 2 H2O = 2 MgO + 2 H2
K + Au(NO3)3 = KNO3 + Au =>
3 K + Au(NO3)3 = 3 KNO3 + Au
NO2 + Zn = ZnO + NO =>
NO2 + Zn = ZnO + NO
CuSO4 + KI + H2SO4 = I2 + K2SO4 + H2O + Cu2S =>
2 CuSO4 + 10 KI + 4 H2SO4 = 5 I2 + 5 K2SO4 + 4 H2O + Cu2S
H{+} + Cr{+2} + NO3{-} = NO + Cr{+3} + H2O =>
4 H{+} + 3 Cr{+2} + NO3{-} = NO + 3 Cr{+3} + 2 H2O
Fe(s) + Zn(NO3)2(aq) = Fe(NO3)2 + Zn =>
Fe(s) + Zn(NO3)2(aq) = Fe(NO3)2 + Zn
PbSO4 + OAc{-} = Pb(OAc)4{2-} + SO4{2-} =>
PbSO4 + 4 OAc{-} = Pb(OAc)4{2-} + SO4{2-}
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
C5H10 = C5H8 + H2 =>
C5H10 = C5H8 + H2
CoCl2(aq) + NaOH(aq) = Co(OH)2(s) + NaCl(aq) =>
CoCl2(aq) + 2 NaOH(aq) = Co(OH)2(s) + 2 NaCl(aq)
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Zn(NO3)2(aq) + NaCl(aq) = ZnCl2(aq) + NaNO3(aq) =>
Zn(NO3)2(aq) + 2 NaCl(aq) = ZnCl2(aq) + 2 NaNO3(aq)
NaClO + NaCl + H2O = Cl2 + NaOH =>
NaClO + NaCl + H2O = Cl2 + 2 NaOH
H2S + H2SO4 = SO2 + H2O =>
H2S + 3 H2SO4 = 4 SO2 + 4 H2O
CH3CH2OH + H2SO4 = CH3CH2OSO3H + H2O =>
CH3CH2OH + H2SO4 = CH3CH2OSO3H + H2O
Cl + Ca(OH)2 = Ca(ClO)Cl + H2O =>
2 Cl + Ca(OH)2 = Ca(ClO)Cl + H2O
CaS(s) + HBr(aq) = CaBr2(s) + H2S(aq) =>
CaS(s) + 2 HBr(aq) = CaBr2(s) + H2S(aq)
C5H10 + Br2 = C5H9Br + HBr =>
C5H10 + Br2 = C5H9Br + HBr
C3H7OH + K2Cr2O7 + H2SO4 = C2H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C3H7OH + 2 K2Cr2O7 + 8 H2SO4 = 3 C2H5COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
CaCO3 + AgCl = CaCl2 + Ag2CO3 =>
CaCO3 + 2 AgCl = CaCl2 + Ag2CO3
H(CN) + Cu(SO4) = H2(SO4) + Cu(CN)2 =>
2 H(CN) + Cu(SO4) = H2(SO4) + Cu(CN)2
K2Zn(OH)4 + HCl = ZnCl2 + KCl + H2O =>
K2Zn(OH)4 + 4 HCl = ZnCl2 + 2 KCl + 4 H2O
H3PO4 + Fe(NO3)3 = H3(NO3)3 + FePO4 =>
H3PO4 + Fe(NO3)3 = H3(NO3)3 + FePO4
K2Cr2O7 + HI = KI + CrI3 + I2 + H2O =>
K2Cr2O7 + 14 HI = 2 KI + 2 CrI3 + 3 I2 + 7 H2O
HCl(aq) + Mg(OH)2(aq) = MgCl2(aq) + H2O(l) =>
2 HCl(aq) + Mg(OH)2(aq) = MgCl2(aq) + 2 H2O(l)
TiCl4(g) + Na(l) = NaCl(s) + Ti(s) =>
TiCl4(g) + 4 Na(l) = 4 NaCl(s) + Ti(s)
PCl5(s) + H2O = H3PO4(aq) + HCl(aq) =>
PCl5(s) + 4 H2O = H3PO4(aq) + 5 HCl(aq)
NaH + O2 = NaO2 + H2O =>
4 NaH + 5 O2 = 4 NaO2 + 2 H2O
ZnCl2(aq) + H2S(g) = ZnS + HCl =>
ZnCl2(aq) + H2S(g) = ZnS + 2 HCl
Ca + Mg2{+} = Ca2{+} + Mg =>
2 Ca + Mg2{+} = Ca2{+} + 2 Mg
C4H10O + Na = C4H9ONa + H =>
C4H10O + Na = C4H9ONa + H
KAl3Si3O10(OH)2 = K2O + Al2O3 + SiO2 + H2O =>
2 KAl3Si3O10(OH)2 = K2O + 3 Al2O3 + 6 SiO2 + 2 H2O
Pb(NO3)2 + K4[Fe(CN)6] = Pb[Fe(CN)6] + K4(NO3)2 =>
Pb(NO3)2 + K4[Fe(CN)6] = Pb[Fe(CN)6] + K4(NO3)2
H3O{+} = H{+} + OH{-} =>
H3O{+} = 2 H{+} + OH{-}
CaC2 + C2H2 = CaH2 + C4 =>
CaC2 + C2H2 = CaH2 + C4
Pb(NO3)2 + K2CrO4(aq) = PbCrO4(s) + KNO3 =>
Pb(NO3)2 + K2CrO4(aq) = PbCrO4(s) + 2 KNO3
Zn + P = Zn3P2 =>
3 Zn + 2 P = Zn3P2
Li + S2 = Li2S =>
4 Li + S2 = 2 Li2S
BaO + Cr2O3 = BaCr2O4 =>
BaO + Cr2O3 = BaCr2O4
CuSO4 + C2H5OH = C2H4 + CuSO4*5H2O =>
CuSO4 + 5 C2H5OH = 5 C2H4 + CuSO4*5H2O
F + NaI = NaF + I =>
F + NaI = NaF + I
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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