| Équations équilibrées la veille |
8 H{+} + 3 Cr2O7{2-} + 17 C2H5OH = 2 Cr3{+} + 17 C2H4O + 21 H2O
H(g) + ZnCl2(aq) = Zn(s) + HCl(aq) =>
2 H(g) + ZnCl2(aq) = Zn(s) + 2 HCl(aq)
C8H24O4Si4 + O2 = SiO2 + CO2 + H2O =>
C8H24O4Si4 + 16 O2 = 4 SiO2 + 8 CO2 + 12 H2O
BeO + C + Cl2 = BeCl2 + CO =>
BeO + C + Cl2 = BeCl2 + CO
K3AsO4 + H2O = KOH + H3AsO4 =>
K3AsO4 + 3 H2O = 3 KOH + H3AsO4
HCl3 + P + H2O = HCl + H3PO4 =>
5 HCl3 + 2 P + 8 H2O = 15 HCl + 2 H3PO4
CuSO4 + K2S = K2SO4 + CuS =>
CuSO4 + K2S = K2SO4 + CuS
K4(Fe(CN)6) + Na2S = K2S + Na4(Fe(CN)6) =>
K4(Fe(CN)6) + 2 Na2S = 2 K2S + Na4(Fe(CN)6)
H{+} + Cr2O7{2-} + C2H5OH = Cr3{+} + C2H4O + H2O =>
8 H{+} + 3 Cr2O7{2-} + 17 C2H5OH = 2 Cr3{+} + 17 C2H4O + 21 H2O
HCl + Co2 = CoCl2 + H =>
4 HCl + Co2 = 2 CoCl2 + 4 H
Ge(OH)4 + Na = Na(Ge(OH)4) =>
Ge(OH)4 + Na = Na(Ge(OH)4)
K3P + Zn(NO3)2 = KNO3 + Zn3P2 =>
2 K3P + 3 Zn(NO3)2 = 6 KNO3 + Zn3P2
HNO3 + NaOH = H2O + NaNO3 =>
HNO3 + NaOH = H2O + NaNO3
AgBr + NH3 = Ag3N + NH4Br =>
3 AgBr + 4 NH3 = Ag3N + 3 NH4Br
Mg6Al2(OH)16CO3*4H2O = MgO + Al2O3 + CO2 + H2O =>
Mg6Al2(OH)16CO3*4H2O = 6 MgO + Al2O3 + CO2 + 12 H2O
[SnCl6]{2-} + Fe = Sn{2+} + Fe{2+} + Cl{-} =>
[SnCl6]{2-} + Fe = Sn{2+} + Fe{2+} + 6 Cl{-}
NaOCN + NaClO + H2O = NaCl + NaHCO3 + N2 =>
2 NaOCN + 3 NaClO + H2O = 3 NaCl + 2 NaHCO3 + N2
C12H22O11(s) + O2(g) = CO2(g) + C2H5OH(g) =>
3 C12H22O11(s) + 3 O2(g) = 14 CO2(g) + 11 C2H5OH(g)
AlP + HNO3 = H3PO4 + NO2 + Al(NO3)3 + H2O =>
AlP + 11 HNO3 = H3PO4 + 8 NO2 + Al(NO3)3 + 4 H2O
Ca(s) + HF(aq) = CaF2(aq) + H2(g) =>
Ca(s) + 2 HF(aq) = CaF2(aq) + H2(g)
AgNO3 + NaCl = AgCl(s) + NaNO3(aq) =>
AgNO3 + NaCl = AgCl(s) + NaNO3(aq)
KBrO3 + NaBr + H2SO4 = Br2 + K2SO4 + Na2SO4 + H2O =>
2 KBrO3 + 10 NaBr + 6 H2SO4 = 6 Br2 + K2SO4 + 5 Na2SO4 + 6 H2O
Al + HCl = AlCl + H2 =>
2 Al + 2 HCl = 2 AlCl + H2
Fe(OH)3 + KOH + Cl = K2FeO4 + KCl + H2O =>
Fe(OH)3 + 5 KOH + 3 Cl = K2FeO4 + 3 KCl + 4 H2O
H2O + CO2 = C2H5OH + O2 =>
3 H2O + 2 CO2 = C2H5OH + 3 O2
SO3 + N2O5 = SO4 + N =>
5 SO3 + N2O5 = 5 SO4 + 2 N
Na3AsO4 + Na2S + HCl = NaCl + AsCl3 + H2O + S =>
Na3AsO4 + Na2S + 8 HCl = 5 NaCl + AsCl3 + 4 H2O + S
H4P2O7 + NaOH = Na3HP2O7 + H2O =>
H4P2O7 + 3 NaOH = Na3HP2O7 + 3 H2O
Zn(OH)2 + Li2O = ZnO + LiOH =>
Zn(OH)2 + Li2O = ZnO + 2 LiOH
Ni + Ga = NiGa =>
Ni + Ga = NiGa
H2CO3 + Ba(NO3)2 = H(NO3) + BaCO3 =>
H2CO3 + Ba(NO3)2 = 2 H(NO3) + BaCO3
FeCl3 + Cu(OH)2 = Fe(OH)2 + CuCl3 =>
FeCl3 + Cu(OH)2 = Fe(OH)2 + CuCl3
Zn + OH{-} = ZnO + H2O + {-} =>
Zn + 2 OH{-} = ZnO + H2O + 2e
K2SO4 + Ca(CN)2 = CaSO4 + KCN =>
K2SO4 + Ca(CN)2 = CaSO4 + 2 KCN
BaCl2 + HCl = BaHCl + Cl2 =>
BaCl2 + HCl = BaHCl + Cl2
NaOH + NH4NO3 = NaNO3 + NH4OH =>
NaOH + NH4NO3 = NaNO3 + NH4OH
Al(H2PO4)3 + Al(OH)3 = Al2(HPO4)3 + H2O =>
Al(H2PO4)3 + Al(OH)3 = Al2(HPO4)3 + 3 H2O
H2 + Br = HBr3 =>
H2 + 6 Br = 2 HBr3
Mg24 + O16 = MgO =>
2 Mg24 + 3 O16 = 48 MgO
CoBr3 + Cl = CoCl3 + Br2 =>
2 CoBr3 + 6 Cl = 2 CoCl3 + 3 Br2
CH3CH2COH + Ag2O = Ag + CH3CH2COOH =>
CH3CH2COH + Ag2O = 2 Ag + CH3CH2COOH
WF6 + H2 + CH4O = WC + HF + H2O =>
WF6 + 2 H2 + CH4O = WC + 6 HF + H2O
Al(OH)3 + SiF4 = AlF3 + Si(OH)4 =>
4 Al(OH)3 + 3 SiF4 = 4 AlF3 + 3 Si(OH)4
K2S + NaCH3COO = KCH3COO + Na2S =>
K2S + 2 NaCH3COO = 2 KCH3COO + Na2S
Zn + OH{-} = ZnO + H2O + {-} =>
Zn + 2 OH{-} = ZnO + H2O + 2e
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
Li2CO3 + CoO + O2 = LiCoO2 + CO2 =>
2 Li2CO3 + 4 CoO + O2 = 4 LiCoO2 + 2 CO2
MgCl2 + NH4PO4 + NaOH + H2O = OH + MgNH4PO4*6H2O + NaCl =>
MgCl2 + NH4PO4 + 2 NaOH + 6 H2O = 2 OH + MgNH4PO4*6H2O + 2 NaCl
Cu + HNa2 = Cu(Na)2 + H2 =>
2 Cu + 2 HNa2 = 2 Cu(Na)2 + H2
PbS + NaCN + H2O + O2 = Pb(CN)2 + NaSCN + NaOH =>
2 PbS + 6 NaCN + 2 H2O + O2 = 2 Pb(CN)2 + 2 NaSCN + 4 NaOH
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Équations équilibrées sur11/23/24
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