| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al(s) + 6 H2O = 2 Al(OH)3 + 3 H2(g)
FeCl2 + FeCl3 + NaOH = NaCl + Fe3O4 + H2O =>
FeCl2 + 2 FeCl3 + 8 NaOH = 8 NaCl + Fe3O4 + 4 H2O
C6H14 + KMnO4 = CO2 + H2O + KOH + MnO2 =>
3 C6H14 + 38 KMnO4 = 18 CO2 + 2 H2O + 38 KOH + 38 MnO2
(NH4)2S + O2 = NH3 + H2O + S =>
2(NH4)2S + O2 = 4 NH3 + 2 H2O + 2 S
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
Na3PO4(ac) + Ba(NO3)2(ac) = Ba3(PO4)2(s) + NaNO3(ac) =>
2 Na3PO4(ac) + 3 Ba(NO3)2(ac) = Ba3(PO4)2(s) + 6 NaNO3(ac)
K3[Fe(C2O4)3]3H2O + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + CO2 + H2O =>
10 K3[Fe(C2O4)3]3H2O + 24 KMnO4 + 96 H2SO4 = 15 Fe2(SO4)3 + 24 MnSO4 + 27 K2SO4 + 180 CO2 + 106 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
C4H8 + HBr = C4H10 + Br2 =>
C4H8 + 2 HBr = C4H10 + Br2
Ag2SO4 + K3PO4 = Ag + PO4 + K2SO4 =>
3 Ag2SO4 + 2 K3PO4 = 6 Ag + 2 PO4 + 3 K2SO4
CH4 + S8 = CS2 + H2S =>
2 CH4 + S8 = 2 CS2 + 4 H2S
Cu(NO3)2 = Cu0 + NO2 + O2 =>
Cu(NO3)2 = Cu0 + 2 NO2 + O2
AlNO3 + BaOH = AlOHBaNO3 =>
AlNO3 + BaOH = AlOHBaNO3
Na2S*9H2O = Na2S + H2O =>
Na2S*9H2O = Na2S + 9 H2O
C12H33 + O2 = CO2 + H2O =>
4 C12H33 + 81 O2 = 48 CO2 + 66 H2O
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cl2 + Pb(OH)2 + NaOH = PbO2 + NaCl + H2O =>
Cl2 + Pb(OH)2 + 2 NaOH = PbO2 + 2 NaCl + 2 H2O
Fe + NaHCO3 = FeHCO3 + Na =>
Fe + NaHCO3 = FeHCO3 + Na
C10H20O + O2 = CO2 + H2O =>
2 C10H20O + 29 O2 = 20 CO2 + 20 H2O
Cu + FeO = CuO + Fe =>
Cu + FeO = CuO + Fe
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C20H14O4 + OH = H2O + C20H13O4 =>
C20H14O4 + OH = H2O + C20H13O4
OCl{-} + HCl = Cl2 + Cl{-} + H2O =>
OCl{-} + 2 HCl = Cl2 + Cl{-} + H2O
Cl2 + H2SO4 = HClO3 + SO2 + H2O =>
Cl2 + 5 H2SO4 = 2 HClO3 + 5 SO2 + 4 H2O
CH2CH2 + HCl = CH3CH2Cl =>
CH2CH2 + HCl = CH3CH2Cl
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
AlSO4 + BaNO3 = AlNO3 + BaSO4 =>
AlSO4 + BaNO3 = AlNO3 + BaSO4
C2H6 + O2 = CH3COOH + H2O =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O
CuSO4*5H2O = H2O + CuSO4 =>
CuSO4*5H2O = 5 H2O + CuSO4
Br2 + PbS = PbBr2 + S =>
Br2 + PbS = PbBr2 + S
H2CO3 + KOH = K2CO3 + H2O =>
H2CO3 + 2 KOH = K2CO3 + 2 H2O
K(s) + H2O(aq) = KOH(s) + H2(s) =>
2 K(s) + 2 H2O(aq) = 2 KOH(s) + H2(s)
K2Cr2O7 + C12H22O11 = Cr2O3 + K2CO3 + CO2 + H2O =>
8 K2Cr2O7 + C12H22O11 = 8 Cr2O3 + 8 K2CO3 + 4 CO2 + 11 H2O
CH3CH2OH + CuO = CH3CH2COH + H2O + Cu =>
3 CH3CH2OH + 2 CuO = 2 CH3CH2COH + 3 H2O + 2 Cu
HNO3(aq) + Ba(OH)2(ap) = Ba(NO3)2(aq) + H2O =>
2 HNO3(aq) + Ba(OH)2(ap) = Ba(NO3)2(aq) + 2 H2O
C2H4Br + KI = C2H4 + KBr + KI3 =>
2 C2H4Br + 3 KI = 2 C2H4 + 2 KBr + KI3
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
Na2N2O2 + KMnO4 + H2O = NaNO3 + MnO2 + KOH =>
3 Na2N2O2 + 8 KMnO4 + 4 H2O = 6 NaNO3 + 8 MnO2 + 8 KOH
CO2 + CuO = CuCO3 =>
CO2 + CuO = CuCO3
Fe(OH)3 + BaSO4 = Fe2(SO4)3 + Ba(OH)2 =>
2 Fe(OH)3 + 3 BaSO4 = Fe2(SO4)3 + 3 Ba(OH)2
FeSO3 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
2 FeSO3 + K2Cr2O7 + 5 H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 5 H2O
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
FeCl + KNO3 + HCl = FeCl3 + NO + FeK + H2O =>
7 FeCl + 2 KNO3 + 8 HCl = 5 FeCl3 + 2 NO + 2 FeK + 4 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cu + HNO3 = CuO + NO + H2O =>
3 Cu + 2 HNO3 = 3 CuO + 2 NO + H2O
FeCl3 + O2 + H2O = Fe(OH)3 + Cl2 =>
4 FeCl3 + 3 O2 + 6 H2O = 4 Fe(OH)3 + 6 Cl2
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