| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2Te + 4 H2SO4 = TeO2 + 3 SO2 + Na2SO4 + 4 H2O
FeHPO3 + ClO{-} + OH{-} = Cl{-} + (PO4){-3} + Fe(OH)3 + H2O =>
2 FeHPO3 + 3 ClO{-} + 6 OH{-} = 3 Cl{-} + 2(PO4){-3} + 2 Fe(OH)3 + H2O
Na3[Cr(OH)4] + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na3[Cr(OH)4] + 5 Br2 + 8 NaOH = 2 Na2CrO4 + 10 NaBr + 8 H2O
Cu3Cl7 + Zn = Cu + ZnCl2 =>
2 Cu3Cl7 + 7 Zn = 6 Cu + 7 ZnCl2
FeO + HNO3 = Fe(NO3)3 + NO + H2O =>
3 FeO + 10 HNO3 = 3 Fe(NO3)3 + NO + 5 H2O
HCOOH = H2O + CO =>
HCOOH = H2O + CO
CN + H2O = CNO + H =>
CN + H2O = CNO + 2 H
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Ca(CIO3)2 + Al(CH3COO)3 = Ca(CH3COO)2 + Al(CIO3)3 =>
3 Ca(CIO3)2 + 2 Al(CH3COO)3 = 3 Ca(CH3COO)2 + 2 Al(CIO3)3
Na2CrO4 + H2O2 + H2SO4 = CrO5 + Na2SO4 + H2O =>
Na2CrO4 + 2 H2O2 + H2SO4 = CrO5 + Na2SO4 + 3 H2O
HI = H2I2 =>
2 HI = H2I2
Cl2O7 + Ca = CaCl2 + O2 =>
2 Cl2O7 + 2 Ca = 2 CaCl2 + 7 O2
KMnO4 + K3CrO3 + H2O = MnO2 + K2CrO4 + KOH =>
KMnO4 + K3CrO3 + H2O = MnO2 + K2CrO4 + 2 KOH
C9H14ClN + CaO2H2 = C9H13N + CaCl + H2O + O =>
2 C9H14ClN + 2 CaO2H2 = 2 C9H13N + 2 CaCl + 3 H2O + O
Na2SO3 + H2O = NaOH + SO2 = =>
Na2SO3 + H2O = 2 NaOH + SO2
HNo3 + NaCl = NaNo3 + HCl =>
HNo3 + NaCl = NaNo3 + HCl
CoCl2(H2O)6 + HCl = CoCl4 + H2O + H2 =>
CoCl2(H2O)6 + 2 HCl = CoCl4 + 6 H2O + H2
HCOOH + KCO3 = K(HCOO) + HCO3 =>
HCOOH + KCO3 = K(HCOO) + HCO3
H3N + H3PO4 = N5(PO4)3 + H2 =>
5 H3N + 3 H3PO4 = N5(PO4)3 + 12 H2
NaCl + O2 = Cl2 + NaO =>
2 NaCl + O2 = Cl2 + 2 NaO
Na2O + HNO3 = Na2(NO3)2 + H2O =>
Na2O + 2 HNO3 = Na2(NO3)2 + H2O
Zn + Cu(NO3)2 = ZnNO3 + Cu2 =>
4 Zn + 2 Cu(NO3)2 = 4 ZnNO3 + Cu2
Fe(NO3)2 + LiI = FeI2 + Li(NO3) =>
Fe(NO3)2 + 2 LiI = FeI2 + 2 Li(NO3)
C10H10O + Cl2 = C9H8O + CHCl3 + OH =>
4 C10H10O + 33 Cl2 = 2 C9H8O + 22 CHCl3 + 2 OH
C2 + CO2 = C3O2 =>
C2 + CO2 = C3O2
C6H4(OH)COOH + CH3OH = C6H4(OH3)(COOCH3) + H2O =>
6 C6H4(OH)COOH + 14 CH3OH = 7 C6H4(OH3)(COOCH3) + 11 H2O
NaHCO3 + BaCl2 = NaCl + BaO + CO2 + H2O =>
2 NaHCO3 + BaCl2 = 2 NaCl + BaO + 2 CO2 + H2O
LiOH + H4PO4 = Li4PO4 + H2O =>
4 LiOH + H4PO4 = Li4PO4 + 4 H2O
Pb(NO3)2 + KMnO4 = Pb(MnO4)2 + KNO3 =>
Pb(NO3)2 + 2 KMnO4 = Pb(MnO4)2 + 2 KNO3
CH{3} + H{2}O = CH{2+} + H{3}O =>
CH{3} + H{2}O = CH{2+} + H{3}O
Na3PO4 + CoBr2 = CoPO4 + Na3Br2 =>
Na3PO4 + CoBr2 = CoPO4 + Na3Br2
BrF3 = bromine + fluorine =>
2 BrF3 = Br2 + 3 F2
NH4F + NaOH + Al(OH)3 = H2O + NH3 + Na3AlF6 =>
6 NH4F + 3 NaOH + Al(OH)3 = 6 H2O + 6 NH3 + Na3AlF6
KBrO3 + HBr = KBr + HBrO3 =>
KBrO3 + HBr = KBr + HBrO3
CH3COOC2H5 + Na2CO3 = NaC4H6O + CO2 + H2O =>
21 CH3COOC2H5 + 10 Na2CO3 = 20 NaC4H6O + 14 CO2 + 24 H2O
Fe(OH)NO3 + NH3 = Fe(OH)3 + H2O + N =>
3 Fe(OH)NO3 + 4 NH3 = 3 Fe(OH)3 + 3 H2O + 7 N
MgCl2 + Ag = AgCl2 + Mg =>
MgCl2 + Ag = AgCl2 + Mg
Fe + Ni(NO3)2 = Fe(NO3)3 + Ni =>
2 Fe + 3 Ni(NO3)2 = 2 Fe(NO3)3 + 3 Ni
KCrO4 + H2SO4 + KNO2 = Cr2(SO4)3 + K2SO4 + KNO3 + H2O =>
2 KCrO4 + 4 H2SO4 + 4 KNO2 = Cr2(SO4)3 + K2SO4 + 4 KNO3 + 4 H2O
Cu(CO3) + H2(SO4) = Cu(SO4) + H2O + CO2 =>
Cu(CO3) + H2(SO4) = Cu(SO4) + H2O + CO2
C2H5OH + H2SO4 = H2SO4C2H5OC2H5 + H2O =>
2 C2H5OH + H2SO4 = H2SO4C2H5OC2H5 + H2O
Pb(OH)4{2-} + CrO4{2-} + CH3COOH = PbCrO4 + H2O + CH3COO{-} =>
Pb(OH)4{2-} + CrO4{2-} + 4 CH3COOH = PbCrO4 + 4 H2O + 4 CH3COO{-}
Fe + H2 = FeH2 =>
Fe + H2 = FeH2
Zn2 + Cu(SO4) = Cu2 + Zn(SO4) =>
Zn2 + 2 Cu(SO4) = Cu2 + 2 Zn(SO4)
Fe + H2O2 = O2 + H2Fe =>
Fe + H2O2 = O2 + H2Fe
Fe + Co(ClO3)2 = FeClO3 + Co =>
2 Fe + Co(ClO3)2 = 2 FeClO3 + Co
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Li + O2 + H2 = LiOH =>
2 Li + O2 + H2 = 2 LiOH
(CaO)3SiO2 + H2O = (CaO)3(SiO2)2H6O3 + Ca(OH)2 =>
2(CaO)3SiO2 + 6 H2O = (CaO)3(SiO2)2H6O3 + 3 Ca(OH)2
NpO2 + HF + H2 = NpF + H2O =>
2 NpO2 + 2 HF + 3 H2 = 2 NpF + 4 H2O
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