| Équations équilibrées la veille |
2 NO2 + 3 Cl2 + 4 H2O = 6 HCl + 2 HNO4
KNO3 + Fe(OH)2 = KOH + Fe(NO3)2 =>
2 KNO3 + Fe(OH)2 = 2 KOH + Fe(NO3)2
Pb(No3)2 + Na2S = PbS + NaNo3 =>
Pb(No3)2 + Na2S = PbS + 2 NaNo3
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
BaSO4 + NaHCO3 = NaHSO4 + BaCO3 =>
BaSO4 + NaHCO3 = NaHSO4 + BaCO3
Mo + HNO3 + HF = H2MoF6 + NO + H2O =>
3 Mo + 4 HNO3 + 18 HF = 3 H2MoF6 + 4 NO + 8 H2O
(Cr2O7)2{-} + Br{-} + H{+} = Cr3{+} + Br2 + H2O =>
6(Cr2O7)2{-} + 154 Br{-} + 168 H{+} = 8 Cr3{+} + 77 Br2 + 84 H2O
BeCl2 + (NH4)3P = Be3P2 + NH4Cl =>
3 BeCl2 + 2(NH4)3P = Be3P2 + 6 NH4Cl
AlCl{3} + NaOH = AlOH + NaCl{3} =>
AlCl{3} + NaOH = AlOH + NaCl{3}
Au + KNO3(ag) = K + AuNO3 =>
Au + KNO3(ag) = K + AuNO3
Pb(No3)4 + K3Po4 = Pb3(Po4)4 + KNo3 =>
3 Pb(No3)4 + 4 K3Po4 = Pb3(Po4)4 + 12 KNo3
Al + Pb(NO3)2 = Pb + Al(NO3)3 =>
2 Al + 3 Pb(NO3)2 = 3 Pb + 2 Al(NO3)3
NH4HSO4 + Na2SO4 = NH3 + NaHSO4 =>
NH4HSO4 + Na2SO4 = NH3 + 2 NaHSO4
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
Pb(NO3)2 + Na2S = PbS + Na(NO3) =>
Pb(NO3)2 + Na2S = PbS + 2 Na(NO3)
NaOH + LiCl = LiOH + NaCl =>
NaOH + LiCl = LiOH + NaCl
NaOH + Fe(NO3)3 = Na(NO3)3 + FeOH =>
NaOH + Fe(NO3)3 = Na(NO3)3 + FeOH
Na + S2 = Na2S =>
4 Na + S2 = 2 Na2S
MnO4{-}(aq) + HCO2H(aq) + H{+}(aq) = Mn{2+}(aq) + CO2(aq) + H2O(l) =>
2 MnO4{-}(aq) + 5 HCO2H(aq) + 6 H{+}(aq) = 2 Mn{2+}(aq) + 5 CO2(aq) + 8 H2O(l)
P4O6 + KMnO4 + H2O + HCl = H3PO4 + Mn{2+} + K{+} + Cl{-} =>
5 P4O6 + 8 KMnO4 + 18 H2O + 24 HCl = 20 H3PO4 + 8 Mn{2+} + 8 K{+} + 24 Cl{-}
H2C2O4*2H2O + Ba(OH)2*8H2O = C2BaO4 + H2O =>
H2C2O4*2H2O + Ba(OH)2*8H2O = C2BaO4 + 12 H2O
C6H12O6 + I2 + H2O = C6H12O7 + HI =>
C6H12O6 + I2 + H2O = C6H12O7 + 2 HI
I2 + (OH){-} = (IO4){-} + I{-} + H2O =>
4 I2 + 8(OH){-} = (IO4){-} + 7 I{-} + 4 H2O
RbNO{3+} + BeF{2+} = Be(NO{3}){2} + RbF =>
RbNO{3+} + BeF{2+} = Be(NO{3}){2} + RbF
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
Co + OH + NO3 = Co(OH)NO3 =>
Co + OH + NO3 = Co(OH)NO3
B5H9 + C4H4 = C4B4H10 + B2H6 =>
2 B5H9 + 2 C4H4 = 2 C4B4H10 + B2H6
Tb4O7 + NH4Cl = (NH4)2TbCl5 + H2O + N2 + NH3 =>
3 Tb4O7 + 60 NH4Cl = 12(NH4)2TbCl5 + 21 H2O + N2 + 34 NH3
CdBr2 = Cd + Br2 =>
CdBr2 = Cd + Br2
AuCl3 + H2O = AuH + Cl2 + O =>
2 AuCl3 + H2O = 2 AuH + 3 Cl2 + O
CrJ3 + Cl2 + KOH = K2CrO4 + KJO4 + KCl + H2O =>
2 CrJ3 + 27 Cl2 + 64 KOH = 2 K2CrO4 + 6 KJO4 + 54 KCl + 32 H2O
CuSO4 + HCl + Fe = FeCl + Cu + HSO4 =>
CuSO4 + HCl + Fe = FeCl + Cu + HSO4
HC2H3O2 + RbOH = H2O + Rb(C2H3O2) =>
HC2H3O2 + RbOH = H2O + Rb(C2H3O2)
Cr(NH3)6Cl3O7 + HClO4 = Cr2O7 + N2 + ClO + H2O =>
10 Cr(NH3)6Cl3O7 + 34 HClO4 = 5 Cr2O7 + 30 N2 + 64 ClO + 107 H2O
K2O + H2O = K2O3 + H2 =>
K2O + 2 H2O = K2O3 + 2 H2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
K3[Fe(CN)6] + KI + C6H5CH3 = C6H6 + CH3I + K4[Fe(CN)6] =>
6 K3[Fe(CN)6] + 6 KI + 12 C6H5CH3 = 13 C6H6 + 6 CH3I + 6 K4[Fe(CN)6]
CH4 + S = CS2 + HS =>
CH4 + 6 S = CS2 + 4 HS
TiS2 + O2 = TiO2 + SO2 =>
TiS2 + 3 O2 = TiO2 + 2 SO2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ni(NO3)2 + Na2HPO4 = Ni3(PO4)2 + NaH2PO4 + NaNO3 =>
3 Ni(NO3)2 + 4 Na2HPO4 = Ni3(PO4)2 + 2 NaH2PO4 + 6 NaNO3
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
Al(NO3)3 + Ni2(SO4)3 = Al2(SO4)3 + Ni(NO3)3 =>
2 Al(NO3)3 + Ni2(SO4)3 = Al2(SO4)3 + 2 Ni(NO3)3
Fe + HNO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 HNO3 = 2 Fe(NO3)3 + 3 H2
KHS + NaOH = KOH + NaHS =>
KHS + NaOH = KOH + NaHS
Na3VO4 + KI + H2SO4 = V2(SO4)3 + K2SO4 + Na2SO4 + I2 + H2O =>
2 Na3VO4 + 4 KI + 8 H2SO4 = V2(SO4)3 + 2 K2SO4 + 3 Na2SO4 + 2 I2 + 8 H2O
C6H4(OCH3)2 + C5H12O = C18H30O2 + H2O =>
C6H4(OCH3)2 + 2 C5H12O = C18H30O2 + 2 H2O
C4H9 + O2 = CO2 + H2O =>
4 C4H9 + 25 O2 = 16 CO2 + 18 H2O
K2Br + H2SO4 = K2SO4 + H2Br =>
K2Br + H2SO4 = K2SO4 + H2Br
CH3CH2 + O2 = CO + H2O =>
4 CH3CH2 + 9 O2 = 8 CO + 10 H2O
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