| Équations équilibrées la veille |
CH3CH2COONa + NaOH = Na2CO3 + C2H6
Fe + C6H12O7 = C12H24FeO14 =>
Fe + 2 C6H12O7 = C12H24FeO14
Ni3S2 + H{+} + O2 = Ni3S4 + Ni{2+} + H2O =>
4 Ni3S2 + 12 H{+} + 3 O2 = 2 Ni3S4 + 6 Ni{2+} + 6 H2O
K2CO3 + C2H5OH = KOH + (C2H5)2CO3 =>
K2CO3 + 2 C2H5OH = 2 KOH + (C2H5)2CO3
KMnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + KOH =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 3 Na2SO4 + 2 KOH
C6H4C2H5Cl + KMnO4 + H2SO4 = C6H4COOHCl + K2SO4 + MnSO4 + CO2 + H2O =>
5 C6H4C2H5Cl + 12 KMnO4 + 18 H2SO4 = 5 C6H4COOHCl + 6 K2SO4 + 12 MnSO4 + 5 CO2 + 28 H2O
Na + Sn = Na9Sn4 =>
9 Na + 4 Sn = Na9Sn4
Fe(OH)2 + CaCl2 = FeCl2 + Ca(OH)2 =>
Fe(OH)2 + CaCl2 = FeCl2 + Ca(OH)2
KMnO4 + NaI + H2SO4 = I2 + MnSO4 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 10 NaI + 8 H2SO4 = 5 I2 + 2 MnSO4 + K2SO4 + 5 Na2SO4 + 8 H2O
Fe2P + FeS2 = FeS + P2S10 =>
2 Fe2P + 14 FeS2 = 18 FeS + P2S10
VO(OH)2 + NaOH = Na2V4O9 + H2O =>
4 VO(OH)2 + 2 NaOH = Na2V4O9 + 5 H2O
Zn(g) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(g) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
Sn{4+} + O{2-} = Sn + O =>
Sn{4+} + 2 O{2-} = Sn + 2 O
Fe + HBr = FeBr2 + H2 =>
Fe + 2 HBr = FeBr2 + H2
Ca(NO3)2 + Na2Co3 = CaCo3 + NaNO3 =>
Ca(NO3)2 + Na2Co3 = CaCo3 + 2 NaNO3
Fe(NO3)3 + CuCO3 = Fe2(CO3)3 + Cu(NO3)2 =>
2 Fe(NO3)3 + 3 CuCO3 = Fe2(CO3)3 + 3 Cu(NO3)2
Fe(SCN)4 = Fe(SCN)5 + Fe(SCN)2 =>
3 Fe(SCN)4 = 2 Fe(SCN)5 + Fe(SCN)2
CaSO4(aq) + Na3PO4(aq) = Ca3(PO4)2(s) + Na2SO4(aq) =>
3 CaSO4(aq) + 2 Na3PO4(aq) = Ca3(PO4)2(s) + 3 Na2SO4(aq)
NaCrO2 + NaOH + H2O2 = Na2CrO4 + H2O =>
2 NaCrO2 + 2 NaOH + 3 H2O2 = 2 Na2CrO4 + 4 H2O
Fe(NO3)3 + K4(Fe(CN)6) = KFe(Fe(CN)6) + KNO3 =>
Fe(NO3)3 + K4(Fe(CN)6) = KFe(Fe(CN)6) + 3 KNO3
Hg + H2S + O2 = Hg2S + H2O =>
4 Hg + 2 H2S + O2 = 2 Hg2S + 2 H2O
NH4Cl + H2O2 = N2 + HCl + H2O =>
2 NH4Cl + 3 H2O2 = N2 + 2 HCl + 6 H2O
PH + Cl2 = PCl + HCl =>
PH + Cl2 = PCl + HCl
K2S + H2SiO3 = H2S + K2SiO3 =>
K2S + H2SiO3 = H2S + K2SiO3
KCN{-}1 + I2 = KI + CN{-}1I =>
2 KCN{-}1 + I2 = 2 KI + 2 CN{-}1I
CaO2 + H2SO4 = CaSO4 + H2O2 =>
CaO2 + H2SO4 = CaSO4 + H2O2
KNO2 + KNO3 + H2O = NO2 + KOH =>
KNO2 + KNO3 + H2O = 2 NO2 + 2 KOH
CH2OHCHOHCH2OH + Na = CH2ONaCHONaCH2ONa + H2 =>
2 CH2OHCHOHCH2OH + 6 Na = 2 CH2ONaCHONaCH2ONa + 3 H2
CH3CHO + OH{-} = CH3CH2OH + CH3COO{-} =>
2 CH3CHO + OH{-} = CH3CH2OH + CH3COO{-}
H3PO2 + Cr2O72{-} + H{+} = H3PO4 + Cr3{+} + H2O =>
427 H3PO2 + 12 Cr2O72{-} + 20 H{+} = 427 H3PO4 + 8 Cr3{+} + 10 H2O
As2S3 + KOH + H2O2 = K3AsO4 + K2SO4 + H2O =>
As2S3 + 12 KOH + 14 H2O2 = 2 K3AsO4 + 3 K2SO4 + 20 H2O
CuCl2 + Ba(OH)2 = Cu(OH)2 + BaCl2 =>
CuCl2 + Ba(OH)2 = Cu(OH)2 + BaCl2
CaSO3 + HCH3COO = SO2 + H2O + Ca(CH3COO)2 =>
CaSO3 + 2 HCH3COO = SO2 + H2O + Ca(CH3COO)2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Cu2CO3(OH)2H2O(s) = Cu2CO3(OH)2(s) + H2O =>
Cu2CO3(OH)2H2O(s) = Cu2CO3(OH)2(s) + H2O
C2H4(OH)2 + H2O2 = C6H4O2 + H2O =>
3 C2H4(OH)2 + 3 H2O2 = C6H4O2 + 10 H2O
(NH4)3PO4(aq) + CaCl2(aq) = Ca3(PO4)2 + NH4Cl =>
2(NH4)3PO4(aq) + 3 CaCl2(aq) = Ca3(PO4)2 + 6 NH4Cl
ClO + HClO = ClO3 + HCl =>
ClO + 2 HClO = ClO3 + 2 HCl
Pb(NO3)2(aq) + NH4OH(aq) = NH4NO3 + Pb(OH)2 =>
Pb(NO3)2(aq) + 2 NH4OH(aq) = 2 NH4NO3 + Pb(OH)2
C7H6O + KMnO4 + H2SO4 = C7H6O2 + K2SO4 + MnSO4 + H2O =>
5 C7H6O + 2 KMnO4 + 3 H2SO4 = 5 C7H6O2 + K2SO4 + 2 MnSO4 + 3 H2O
AgI + KNO3 = AgNO3 + KI =>
AgI + KNO3 = AgNO3 + KI
C2H5OH(i) + O2 = CO2 + H2O =>
C2H5OH(i) + 3 O2 = 2 CO2 + 3 H2O
FeCl3 + Co(NO3)2 = Fe(NO3)2 + CoCl3 =>
FeCl3 + Co(NO3)2 = Fe(NO3)2 + CoCl3
CaSO4*2H2O(s) = CaO(s) + SO2(g) + O2(g) + H2O(g) =>
2 CaSO4*2H2O(s) = 2 CaO(s) + 2 SO2(g) + O2(g) + 4 H2O(g)
Fe + NaSCN = Fe(SCN) + Na =>
Fe + NaSCN = Fe(SCN) + Na
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
M(OH)2 + HCl = MCl2 + H2O =>
M(OH)2 + 2 HCl = MCl2 + 2 H2O
Ra + At = RaAt2 =>
Ra + 2 At = RaAt2
H(ClO4) + Ca(OH)2 = Ca(ClO4)2 + H2O =>
2 H(ClO4) + Ca(OH)2 = Ca(ClO4)2 + 2 H2O
CaO + MnO + ReO3 = Ca2MnReO6 =>
2 CaO + MnO + ReO3 = Ca2MnReO6
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Équations équilibrées sur10/27/24
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