| Équations équilibrées la veille |
2 FeSO4 + Pb(NO3)2 = 2 FeNO3 + Pb(SO4)2
MnO4{-} + OH{-} + C2O4{-2} = MnO2 + CO3{-2} + H2O =>
2 MnO4{-} + 4 OH{-} + 3 C2O4{-2} = 2 MnO2 + 6 CO3{-2} + 2 H2O
KCl + O2 = K2O + Cl2 =>
4 KCl + O2 = 2 K2O + 2 Cl2
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
FeO + Si = Fe + SiO2 =>
2 FeO + Si = 2 Fe + SiO2
NH3 + NO2 = N2 + H2O =>
8 NH3 + 6 NO2 = 7 N2 + 12 H2O
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
HCN + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HCN + CuSO4 = H2SO4 + Cu(CN)2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Na2CO3 + Pb3(PO4)2 = Na3PO4 + PbCO3 =>
3 Na2CO3 + Pb3(PO4)2 = 2 Na3PO4 + 3 PbCO3
Hg1 + O2 = HgO =>
2 Hg1 + O2 = 2 HgO
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
AgCl2 + H2 = HCl + Ag =>
AgCl2 + H2 = 2 HCl + Ag
As2S3 + KNO3 + KOH = K2SO4 + K3AsO3 + KNO2 + H2O =>
As2S3 + 12 KNO3 + 12 KOH = 3 K2SO4 + 2 K3AsO3 + 12 KNO2 + 6 H2O
SO3{2-} + MnO4{-} + H{+} = SO4{2-} + Mn{2+} + H2O =>
5 SO3{2-} + 2 MnO4{-} + 6 H{+} = 5 SO4{2-} + 2 Mn{2+} + 3 H2O
Li + Mn2O3 = Li2O + Mn =>
6 Li + Mn2O3 = 3 Li2O + 2 Mn
CO2 + H2O + HCl = C6H5Cl + O2 =>
6 CO2 + 2 H2O + HCl = C6H5Cl + 7 O2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C3H8 + H2 = CH4 =>
C3H8 + 2 H2 = 3 CH4
H2SO4 + Ag(OH) = Ag2(SO4) + H2O =>
H2SO4 + 2 Ag(OH) = Ag2(SO4) + 2 H2O
Mn2O2 + HCl = MnCl2 + H2O =>
Mn2O2 + 4 HCl = 2 MnCl2 + 2 H2O
CH3COOH + C6H14O = C8H16O2 + H2O =>
CH3COOH + C6H14O = C8H16O2 + H2O
Zn(CH3COO)2 + NaOH = ZnO + NaCH3COO + H2O =>
Zn(CH3COO)2 + 2 NaOH = ZnO + 2 NaCH3COO + H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
PbO + HNO3 = PbO2 + NO2 + H2O =>
PbO + 2 HNO3 = PbO2 + 2 NO2 + H2O
Fe{2+} + NH4{+} + SO4{2-} = (NH4)2Fe(SO4)2 =>
Fe{2+} + 2 NH4{+} + 2 SO4{2-} = (NH4)2Fe(SO4)2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ba + Al(NO3)3 = Ba(NO3)2 + Al =>
3 Ba + 2 Al(NO3)3 = 3 Ba(NO3)2 + 2 Al
MnO2 + KBiO3 + H2SO4 = KMnO4 + Bi2(SO4)3 + K2SO4 + H2O =>
4 MnO2 + 6 KBiO3 + 10 H2SO4 = 4 KMnO4 + 3 Bi2(SO4)3 + K2SO4 + 10 H2O
N2O = N2 + O2 =>
2 N2O = 2 N2 + O2
NaHCO3 + (H2)SO4 = (Na2)SO4 + CO2 + H2O =>
2 NaHCO3 + (H2)SO4 = (Na2)SO4 + 2 CO2 + 2 H2O
NH4I + AgNO3 = NH4NO3 + AgI =>
NH4I + AgNO3 = NH4NO3 + AgI
Ca3(PO4)2 + (NH4)2S = Ca2S2 + (NH4)3PO4 =>
2 Ca3(PO4)2 + 6(NH4)2S = 3 Ca2S2 + 4(NH4)3PO4
Na3P + H2O = PH3 + HNaO =>
Na3P + 3 H2O = PH3 + 3 HNaO
Ni + AlCl3 = NiCl2 + Al =>
3 Ni + 2 AlCl3 = 3 NiCl2 + 2 Al
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CH3COCH2CH3 + Br2 = CH3COCH2CH2Br + HBr =>
CH3COCH2CH3 + Br2 = CH3COCH2CH2Br + HBr
Fe + PbCl4 = FeCl2 + Pb =>
2 Fe + PbCl4 = 2 FeCl2 + Pb
CuS + C = Cu + CS2 =>
2 CuS + C = 2 Cu + CS2
C2H5COOH + OH{-} = C2H5COO{-} + H2O =>
C2H5COOH + OH{-} = C2H5COO{-} + H2O
H2CO3(s) = H2O(l) + CO2(g) =>
H2CO3(s) = H2O(l) + CO2(g)
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
H{+} + C10H18O + Cr2O7{-2} = C10H16O + Cr{3+} + H3O{+} =>
15 H{+} + 3 C10H18O + Cr2O7{-2} = 3 C10H16O + 2 Cr{3+} + 7 H3O{+}
Cu2O + H2 = Cu + H2O =>
Cu2O + H2 = 2 Cu + H2O
KBr + NaOH = KOH + NaBr =>
KBr + NaOH = KOH + NaBr
Fe2O3 + SnO = Fe + SnO2 =>
Fe2O3 + 3 SnO = 2 Fe + 3 SnO2
CH2Br{-}CH2Br + KOH = CH2OH{-}CH2OH + KBr =>
CH2Br{-}CH2Br + KOH = CH2OH{-}CH2OH + KBr
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