| Équations équilibrées la veille |
2 FeSO4 + 2 Na2H2(EDTA) + H2O2 = 2 Na[Fe(EDTA)] + H2SO4 + 2 H2O + Na2SO4
Na2S2O3(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + SO2(g) =>
Na2S2O3(aq) + 3 H2SO4(aq) = Na2SO4(aq) + 3 H2O(l) + 4 SO2(g)
Zn + BrH = Zn2Br + H2 =>
4 Zn + 2 BrH = 2 Zn2Br + H2
FeS + F2 = FeF2 + S2 =>
2 FeS + 2 F2 = 2 FeF2 + S2
AlBr3 + AgOH = AgBr + Al(OH)3 =>
AlBr3 + 3 AgOH = 3 AgBr + Al(OH)3
Na2CO3 + H2O = CO2 + Na + OH =>
Na2CO3 + H2O = CO2 + 2 Na + 2 OH
KMnO4 + H2SO4 = K2SO4 + MnSO4 + O2 + H2O =>
4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 O2 + 6 H2O
Na2SnO2 + Bi(NO3)3 + H2O = Bi + Na2SnO3 + HNO3 =>
3 Na2SnO2 + 2 Bi(NO3)3 + 3 H2O = 2 Bi + 3 Na2SnO3 + 6 HNO3
H2S + C6H5NO3 = S + C6H5NH2 + H2O =>
4 H2S + C6H5NO3 = 4 S + C6H5NH2 + 3 H2O
HNO3 + CdS = Cd(NO3)2 + NO + S + H2O =>
8 HNO3 + 3 CdS = 3 Cd(NO3)2 + 2 NO + 3 S + 4 H2O
CaBr2 + KBr = CaBr3 + K =>
CaBr2 + KBr = CaBr3 + K
Na2CO3 + AlP = Na3P + Al2(CO3)3 =>
3 Na2CO3 + 2 AlP = 2 Na3P + Al2(CO3)3
Al(OH)3(s) + NaOH(aq) = NaAlO2(aq) + H2O(l) =>
Al(OH)3(s) + NaOH(aq) = NaAlO2(aq) + 2 H2O(l)
Na3AsO4 + MgCl2 = NaCl + Mg3(AsO4)2 =>
2 Na3AsO4 + 3 MgCl2 = 6 NaCl + Mg3(AsO4)2
NaHCO3 + C6H8O2 = Na3C6H5O7 + CO2 + H2O =>
42 NaHCO3 + 9 C6H8O2 = 14 Na3C6H5O7 + 12 CO2 + 22 H2O
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C5H9NO4 + O2 = CO2 + H2O + NO =>
4 C5H9NO4 + 23 O2 = 20 CO2 + 18 H2O + 4 NO
Zn + Fe2NO3 = Fe + Zn(NO3)2 =>
Zn + 2 Fe2NO3 = 4 Fe + Zn(NO3)2
Cl2 + Fe(Br)3 = Cl2Br2 + Fe =>
3 Cl2 + 2 Fe(Br)3 = 3 Cl2Br2 + 2 Fe
K2Cr2O7 + H2SO4 + CH3OH = Cr2(SO4)3 + K2SO2 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 10 CH3OH = 2 Cr2(SO4)3 + 2 K2SO2 + 5 CH3COOH + 18 H2O
Ag + HCl = AgCl + H =>
Ag + HCl = AgCl + H
NaHCO3 + HC2H3O2 = NaC2H3O2 + CO2(g) + H2O =>
NaHCO3 + HC2H3O2 = NaC2H3O2 + CO2(g) + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C8H10 + KMnO4 + H2SO4 = C8H6O4 + H2O + K2SO4 + MnSO4 =>
5 C8H10 + 12 KMnO4 + 18 H2SO4 = 5 C8H6O4 + 28 H2O + 6 K2SO4 + 12 MnSO4
PbSO4 + LiI = PbI2 + Li2SO4 =>
PbSO4 + 2 LiI = PbI2 + Li2SO4
NaBr(aq) + Cl2 = NaCl(aq) + Br2(l) =>
2 NaBr(aq) + Cl2 = 2 NaCl(aq) + Br2(l)
Te + O2 = TeO5 =>
2 Te + 5 O2 = 2 TeO5
Na2C2 + H2O = Na + OH + C2H2 =>
Na2C2 + 2 H2O = 2 Na + 2 OH + C2H2
NH4NO3 + Ca(OH)2 = Ca(NO3)2 + NH3 + H2O =>
2 NH4NO3 + Ca(OH)2 = Ca(NO3)2 + 2 NH3 + 2 H2O
Pb + OH = Pb(OH)2 =>
Pb + 2 OH = Pb(OH)2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Fe2O3 + C = CO2 + Fe =>
2 Fe2O3 + 3 C = 3 CO2 + 4 Fe
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Cu(NO3)2*3H2O = Cu + NO2 + O2 + H2O =>
Cu(NO3)2*3H2O = Cu + 2 NO2 + O2 + 3 H2O
CO + HO = C6H12O6 + O =>
6 CO + 12 HO = C6H12O6 + 12 O
NaCN + H2SO4 = Na2SO4 + HCN =>
2 NaCN + H2SO4 = Na2SO4 + 2 HCN
SiO2 + H2F2 = SiF4 + H2O =>
SiO2 + 2 H2F2 = SiF4 + 2 H2O
CH3CO2H + H2O = CH3COO + H3O =>
CH3CO2H + H2O = CH3COO + H3O
C6H12O6 + SO4{2-} = S{2-} + H2O + CO2 =>
C6H12O6 + 3 SO4{2-} = 3 S{2-} + 6 H2O + 6 CO2
H2CO3 + HCl = H3CO3 + Cl =>
H2CO3 + HCl = H3CO3 + Cl
Ca + Zn(No3)2 = Ca(No3)2 + Zn =>
Ca + Zn(No3)2 = Ca(No3)2 + Zn
H2SO4 + Fe(ClO3)3 = Fe2(SO4)3 + HClO3 =>
3 H2SO4 + 2 Fe(ClO3)3 = Fe2(SO4)3 + 6 HClO3
AgS + Mg = Ag + MgS =>
AgS + Mg = Ag + MgS
ClO3{-} + As2S3 + H2O = Cl{-} + H2AsO4{-} + SO4{-2} + H3O{+} =>
14 ClO3{-} + 3 As2S3 + 42 H2O = 14 Cl{-} + 6 H2AsO4{-} + 9 SO4{-2} + 24 H3O{+}
C16H22O4 + Br2 = C16H20O4Br2 + HBr =>
C16H22O4 + 2 Br2 = C16H20O4Br2 + 2 HBr
FeCl3 + KI + K3Fe(CN)6 = KCl + I2 + Fe3(Fe(CN)6)2 =>
6 FeCl3 + 6 KI + 4 K3Fe(CN)6 = 18 KCl + 3 I2 + 2 Fe3(Fe(CN)6)2
NaOH + (NH4)2SO4 = OHNH4 + Na2SO4 =>
2 NaOH + (NH4)2SO4 = 2 OHNH4 + Na2SO4
CuSO4 + HNaO = HSO4 + CuNaO =>
CuSO4 + HNaO = HSO4 + CuNaO
HOOCCOOH + NaOH = Na2OOCCOO + H2O =>
HOOCCOOH + 2 NaOH = Na2OOCCOO + 2 H2O
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