| Équations équilibrées la veille |
7 C2H2O4(H2O)2 + K2Cr2O7 + 2 C2K2O4(H2O) = 2 K3[Cr(C2O4)3] + 23 H2O + 6 CO2
HNO2 + H{+} + I{-} = NO + H2O + I2 =>
2 HNO2 + 2 H{+} + 2 I{-} = 2 NO + 2 H2O + I2
H2O(ClO4) + Br = BrH2O + ClO4 =>
H2O(ClO4) + Br = BrH2O + ClO4
Cr2O7{-2} + CHOH + H{+} = Cr{+3} + HCO2H + H2O =>
Cr2O7{-2} + 3 CHOH + 8 H{+} = 2 Cr{+3} + 3 HCO2H + 4 H2O
Cu(s)Br2(l) = CuBr2(s) =>
Cu(s)Br2(l) = CuBr2(s)
H2O2 + FeCl3 = FeCl2 + O2 + HCl =>
H2O2 + 2 FeCl3 = 2 FeCl2 + O2 + 2 HCl
Na2Pb(OH)4 + Cl2 = NaCl + H2O + PbO2 =>
Na2Pb(OH)4 + Cl2 = 2 NaCl + 2 H2O + PbO2
H2O + S{2-} + MnO4{-} = MnO(OH)2 + S + OH{-} =>
6 H2O + 3 S{2-} + 2 MnO4{-} = 2 MnO(OH)2 + 3 S + 8 OH{-}
C6H12O2 + C2H4O2 + Na2CO3 = C4H6O2 + NaOH =>
2 C6H12O2 + C2H4O2 + 2 Na2CO3 = 4 C4H6O2 + 4 NaOH
CaCl2 + NH4C = CaC2 + NH4Cl =>
CaCl2 + 2 NH4C = CaC2 + 2 NH4Cl
C5H8O2 + H2 = C5H12O2 =>
C5H8O2 + 2 H2 = C5H12O2
LaI3 + Cl2 = LaCl + I2 =>
2 LaI3 + Cl2 = 2 LaCl + 3 I2
CO3 + Na2 = Na2CO3 =>
CO3 + Na2 = Na2CO3
Mg + ZnCl2 = ZnMgCl2 =>
Mg + ZnCl2 = ZnMgCl2
In2S3 + K2O = K2S + In2O3 =>
In2S3 + 3 K2O = 3 K2S + In2O3
Na2S + H2 = Na + H2S =>
Na2S + H2 = 2 Na + H2S
O2 + CI2 = CI2O3 =>
3 O2 + 2 CI2 = 2 CI2O3
Al4 + Cl3 = AlCl2 =>
3 Al4 + 8 Cl3 = 12 AlCl2
CaCO3 + SiO2 + Fe2O3 = Ca3Fe2Si3O12 + CO2 =>
3 CaCO3 + 3 SiO2 + Fe2O3 = Ca3Fe2Si3O12 + 3 CO2
magnesium + CH3COOH = Mg(CH3COO)2 + hydrogen =>
Mg + 2 CH3COOH = Mg(CH3COO)2 + H2
H2O + CrO4{-2} + CN{-} = Cr(OH)4{-} + CNO{-} + OH{-} =>
5 H2O + 2 CrO4{-2} + 3 CN{-} = 2 Cr(OH)4{-} + 3 CNO{-} + 2 OH{-}
CaAl2Si2O8 + H = (Ca)2 + (Al)3 + H4SiO4 =>
6 CaAl2Si2O8 + 48 H = 3(Ca)2 + 4(Al)3 + 12 H4SiO4
NaNH4HPO4 = NaNH2 + H3PO4 =>
NaNH4HPO4 = NaNH2 + H3PO4
Al + NiBr2 = AlBr3 + Ni =>
2 Al + 3 NiBr2 = 2 AlBr3 + 3 Ni
MnO2 + NaI + H2SO4 = MnSO4 + I2 + Na2SO4 + H2O =>
MnO2 + 2 NaI + 2 H2SO4 = MnSO4 + I2 + Na2SO4 + 2 H2O
CH3CH2CH2CH(O) + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
3 CH3CH2CH2CH(O) + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2CH2COOH + 4 H2O
S2O3{2-}(aq) + Cl2(g) + H2O(l) = SO4{2-}(aq) + Cl{-}(aq) + H{+}(aq)\ =>
S2O3{2-}(aq) + 4 Cl2(g) + 5 H2O(l) = 2 SO4{2-}(aq) + 8 Cl{-}(aq) + 10 H{+}(aq)\
Cr2O7 + H{+} + C2H5OH = CO2 + Cr{3+} + H2O =>
3 Cr2O7 + 18 H{+} + 2 C2H5OH = 4 CO2 + 6 Cr{3+} + 15 H2O
KMnO4 + Fe2(SO4)3 + H2SO4 = Fe2SO43 + H2O + MnSO4 + K2SO4 =>
74 KMnO4 + 5 Fe2(SO4)3 + 101 H2SO4 = 5 Fe2SO43 + 101 H2O + 74 MnSO4 + 37 K2SO4
Co + HBr = CoBr3 + H2 =>
2 Co + 6 HBr = 2 CoBr3 + 3 H2
Cl7 + NaOH = NaCl + NaClO + H2O =>
2 Cl7 + 14 NaOH = 7 NaCl + 7 NaClO + 7 H2O
Na(s) + Cl2(g) = NaCl(s) =>
2 Na(s) + Cl2(g) = 2 NaCl(s)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ni3(PO4)2 + Na2O = NiO + Na3PO4 =>
Ni3(PO4)2 + 3 Na2O = 3 NiO + 2 Na3PO4
(NH4)6Mo7O24 + HCl + Zn = Mo5O14 + NH4Cl + ZnCl + H2O =>
5(NH4)6Mo7O24 + 44 HCl + 14 Zn = 7 Mo5O14 + 30 NH4Cl + 14 ZnCl + 22 H2O
C + OH = CO2 + H =>
C + 2 OH = CO2 + 2 H
Fe(O2)3 + C = Fe + CO2 =>
Fe(O2)3 + 3 C = Fe + 3 CO2
N2H4CO + NH4NO3 = N2 + CO2 + H2O =>
N2H4CO + 3 NH4NO3 = 4 N2 + CO2 + 8 H2O
CuOH2CO3 + HCl = CuCl2 + H2O + CO2 =>
CuOH2CO3 + 2 HCl = CuCl2 + 2 H2O + CO2
C2O4{2} + MnO2 + H = Mn{2+} + CO2 + H2O =>
C2O4{2} + MnO2 + 4 H = Mn{2+} + 2 CO2 + 2 H2O
AgNO3 + NH4CO3 = AgCO3 + NH4(NO3) =>
AgNO3 + NH4CO3 = AgCO3 + NH4(NO3)
Ca(NO{3}){2} + KOH = Ca(OH){2} + KNO{3} =>
Ca(NO{3}){2} + KOH = Ca(OH){2} + KNO{3}
Mn(ClO4)2(s) = Mn2(aq) + ClO4(aq) =>
2 Mn(ClO4)2(s) = Mn2(aq) + 4 ClO4(aq)
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
Pb(NO3)2 = PbO + O2 + NO2 =>
2 Pb(NO3)2 = 2 PbO + O2 + 4 NO2
H2O2 + H3O{+} + Co2{+} = H2O + Co{3+} =>
5 H2O2 + 10 H3O{+} + 2 Co2{+} = 20 H2O + 4 Co{3+}
CrCl3 + KOH + KClO3 = K2CrO4 + H2O + Cl =>
5 CrCl3 + 4 KOH + 6 KClO3 = 5 K2CrO4 + 2 H2O + 21 Cl
Ni + H2SO5 = NiSO4 + H2 + O2 =>
2 Ni + 2 H2SO5 = 2 NiSO4 + 2 H2 + O2
Pb + Cl2 = Cl{-} + Pb2{+} =>
4 Pb + Cl2 = 2 Cl{-} + 2 Pb2{+}
Na2CO3 + KCl = Na2Cl + KCO3 =>
Na2CO3 + KCl = Na2Cl + KCO3
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