| Équations équilibrées la veille |
2 Al + 8 S = Al2S8
KCl + NaOH = NaCl + K(OH) =>
KCl + NaOH = NaCl + K(OH)
POF3 + HF + SO3 = PF5 + H2SO4 =>
POF3 + 2 HF + SO3 = PF5 + H2SO4
Fe + CoSO4 = Co + Fe2(SO4)3 =>
2 Fe + 3 CoSO4 = 3 Co + Fe2(SO4)3
C10H10O + NaOCl + H2O = C9H8O2 + CHCl3 + NaOH =>
C10H10O + 3 NaOCl + H2O = C9H8O2 + CHCl3 + 3 NaOH
CaS + CaO = CaSO4 + Ca =>
CaS + 4 CaO = CaSO4 + 4 Ca
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
(iii)CH3COOH + NaOH = CH3COONa + H2O =>
(iii)CH3COOH + NaOH = CH3COONa + H2O
Pb{+2} + OH[{-}] = Pb(OH)2 =>
Pb{+2} + 2 OH[{-}] = Pb(OH)2
HClO4 + NH3 = NH4 + NClO4 =>
HClO4 + 5 NH3 = 4 NH4 + NClO4
Fe2O3 + H2SO4 = [Fe2(SO4)3] + H2O =>
Fe2O3 + 3 H2SO4 = [Fe2(SO4)3] + 3 H2O
CH3CH2CH3 + KMnO4 + KOH = CH3CH2COOH + K2MnO4 + H2O =>
CH3CH2CH3 + 6 KMnO4 + 6 KOH = CH3CH2COOH + 6 K2MnO4 + 4 H2O
CaOH2 + SO4 = CaSO4 + H2O =>
CaOH2 + SO4 = CaSO4 + H2O
FeO + O2 = Fe3O4 =>
6 FeO + O2 = 2 Fe3O4
CuH2 + O2 = CuO + H2O =>
CuH2 + O2 = CuO + H2O
Na2SO3 + HSnCl3 + HCl = Na2SnCl6 + H2SO3 + H2 =>
Na2SO3 + HSnCl3 + 3 HCl = Na2SnCl6 + H2SO3 + H2
NH3(aq) + Cu(NO3)2(aq) = Cu(NH3)4 + NO3 =>
4 NH3(aq) + Cu(NO3)2(aq) = Cu(NH3)4 + 2 NO3
KBr(aq) + AgNO3 = KNO3 + AgBr =>
KBr(aq) + AgNO3 = KNO3 + AgBr
H{+} + S2O3{2-} = SO2 + S + H2O =>
2 H{+} + S2O3{2-} = SO2 + S + H2O
Al + H = AlH =>
Al + H = AlH
CuSO4 + CuS = Cu2S2O4 =>
CuSO4 + CuS = Cu2S2O4
MnO2 + S = MnS + SO2 =>
MnO2 + 2 S = MnS + SO2
KMnO4 + CH3CHO + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 CH3CHO + 3 H2SO4 = 5 CH3COOH + 2 MnSO4 + K2SO4 + 3 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
Cr + ClO4 = Cr(ClO4)3 =>
Cr + 3 ClO4 = Cr(ClO4)3
C6H12O4 + O2 = CO2 + H2O =>
C6H12O4 + 7 O2 = 6 CO2 + 6 H2O
H5P3O10 + NaOH = Na1P3O10H4 + H2O =>
H5P3O10 + NaOH = Na1P3O10H4 + H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Al(OH)3 + H2 = Al + H3(OH)2 =>
4 Al(OH)3 + 9 H2 = 4 Al + 6 H3(OH)2
Hg0 = Hg02 =>
2 Hg0 = Hg02
Ba(OH)2 + O2C = BaCO3 + H2O =>
Ba(OH)2 + O2C = BaCO3 + H2O
CuS + O2 + CaCO3 = CuO + CaSO3 + CO2 =>
2 CuS + 3 O2 + 2 CaCO3 = 2 CuO + 2 CaSO3 + 2 CO2
Cu2 + NaOH = CuOH + Na =>
Cu2 + 2 NaOH = 2 CuOH + 2 Na
K3PO4 + KNO3 = K3NO3 + PO4K =>
K3PO4 + KNO3 = K3NO3 + PO4K
PbSO4 + NH4OH = Pb(OH)2 + (NH4)2SO4 =>
PbSO4 + 2 NH4OH = Pb(OH)2 + (NH4)2SO4
HCl + KClO3 = KCl + Cl2H2O =>
6 HCl + KClO3 = KCl + 3 Cl2H2O
As2S3 + HNO3 + H2O = H3As5O4 + H2SO4 + NO =>
15 As2S3 + 100 HNO3 + 4 H2O = 6 H3As5O4 + 45 H2SO4 + 100 NO
Na3PO4 + FeCl3 + H2O = Fe(OH)3 + NaCl + Na2HPO4 =>
3 Na3PO4 + FeCl3 + 3 H2O = Fe(OH)3 + 3 NaCl + 3 Na2HPO4
Ag2SO4 + Fe = Ag + FeSO4 =>
Ag2SO4 + Fe = 2 Ag + FeSO4
Na3AsO3 + I2 + NaOH = Na3AsO4 + NaI + HI =>
Na3AsO3 + I2 + NaOH = Na3AsO4 + NaI + HI
Cu + Cr2O7 = CuO + Cr =>
7 Cu + Cr2O7 = 7 CuO + 2 Cr
Mg + NHO3 = Mg(NO3)2 + NH4NO3 + H2O =>
4 Mg + 10 NHO3 = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
CuSO4(s) + H2O = CuSO4(H2O)(s) =>
CuSO4(s) + H2O = CuSO4(H2O)(s)
Ca2 + Ba(OH)2 = CaO + Ba + H2O =>
Ca2 + 2 Ba(OH)2 = 2 CaO + 2 Ba + 2 H2O
Al + S8 = Al2S8 =>
2 Al + S8 = Al2S8
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na + Ar = Na2Ar =>
2 Na + Ar = Na2Ar
C6H8O7 + Cu + H2O2 = Cu3(C6H5O7)2 + H2O =>
2 C6H8O7 + 3 Cu + 3 H2O2 = Cu3(C6H5O7)2 + 6 H2O
Na2O + I2 = NaI + O2 =>
2 Na2O + 2 I2 = 4 NaI + O2
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