| Équations équilibrées la veille | Équations équilibrées le lendemain |
20 CH3CH2CH2OH + 12 KMnO4 + 18 H2SO4 = 15 CH3CH2CH2COOH + 12 MnSO4 + 6 K2SO4 + 38 H2O
C2H2 + KMnO4 + H2O = C2H2(OH)2 + Mn(OH)2 + KOH =>
5 C2H2 + 2 KMnO4 + 8 H2O = 5 C2H2(OH)2 + 2 Mn(OH)2 + 2 KOH
FeCl2 + HCl + K2CrO4 = FeCl3 + KCl + CrCl3 + H2O =>
3 FeCl2 + 8 HCl + K2CrO4 = 3 FeCl3 + 2 KCl + CrCl3 + 4 H2O
C6H5OH + K2Cr2O7 + H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 C6H4O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
NaMgCl = NaCl + Mg =>
NaMgCl = NaCl + Mg
C3H8O3 + Cu(OH)2 = C3H6O3Cu + H2O =>
C3H8O3 + Cu(OH)2 = C3H6O3Cu + 2 H2O
MgO4 + HI = Mg(OH) + IO3 =>
MgO4 + HI = Mg(OH) + IO3
Cu(NO3)2 + H2O = Cu(H2O)6{+2} + NO3{-} =>
Cu(NO3)2 + 6 H2O = Cu(H2O)6{+2} + 2 NO3{-}
H2O + H3BO3 = H3O + BO3 =>
3 H2O + H3BO3 = 3 H3O + BO3
Pb(NO3)2(ap) + KCl = PbCl2 + KNO3 =>
Pb(NO3)2(ap) + 2 KCl = PbCl2 + 2 KNO3
CH3CH3 + Cr2O7{-2} + H{+} = CH2O + Cr{+3} + H2O =>
CH3CH3 + Cr2O7{-2} + 8 H{+} = 2 CH2O + 2 Cr{+3} + 5 H2O
MgCl2 + AgI = MgI2 + AgCl =>
MgCl2 + 2 AgI = MgI2 + 2 AgCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al + H2 = AlH3 =>
2 Al + 3 H2 = 2 AlH3
Sn(OH)4 + H2CO3 = Sn2(CO3)4 + H2O =>
2 Sn(OH)4 + 4 H2CO3 = Sn2(CO3)4 + 8 H2O
CO2(g) + H2O(g) = C6H12O6(g) + O2(g) =>
6 CO2(g) + 6 H2O(g) = C6H12O6(g) + 6 O2(g)
H2SO4(aq) + CaCO3(aq) = CaSO4(aq) + H2CO3(aq) =>
H2SO4(aq) + CaCO3(aq) = CaSO4(aq) + H2CO3(aq)
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
LiNO3 + Na2O = Li2O + NaNO3 =>
2 LiNO3 + Na2O = Li2O + 2 NaNO3
Fe(s) + CuSO4(aq) = Cu(s) + Fe(SO4)2(aq) =>
Fe(s) + 2 CuSO4(aq) = 2 Cu(s) + Fe(SO4)2(aq)
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
Mn3O4 + KClO4 + K2CO3 = K2MnO4 + KCl + CO2 =>
4 Mn3O4 + 5 KClO4 + 12 K2CO3 = 12 K2MnO4 + 5 KCl + 12 CO2
Cr2(SO4) + KOH + KClO3 = K2CrO4 + H2O + KCl + K2SO4 =>
3 Cr2(SO4) + 18 KOH + 5 KClO3 = 6 K2CrO4 + 9 H2O + 5 KCl + 3 K2SO4
NH3 + NaH2PO4 = Na + NH2PO3 + H3O =>
NH3 + NaH2PO4 = Na + NH2PO3 + H3O
Al + MgSO4 = Al2(SO4)3 + Mg =>
2 Al + 3 MgSO4 = Al2(SO4)3 + 3 Mg
Al(SO4) + NaOH = Na(SO4) + OH + Al =>
Al(SO4) + NaOH = Na(SO4) + OH + Al
C9H14O2 + CH3MgI = C10H18O + CH3OH + MgI =>
13 C9H14O2 + 44 CH3MgI = 15 C10H18O + 11 CH3OH + 44 MgI
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Fe3P2 + Al2(CO3)3 = Fe2(CO3)2 + AlP =>
2 Fe3P2 + 2 Al2(CO3)3 = 3 Fe2(CO3)2 + 4 AlP
KClO4 = KCl + O2 =>
KClO4 = KCl + 2 O2
(NH4)2S + PbS = (NH4)2Pb + S2 =>
(NH4)2S + PbS = (NH4)2Pb + S2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C6H12O + Na2Cr2O7 + H2SO4 = C6H10O4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C6H12O + 4 Na2Cr2O7 + 16 H2SO4 = 3 C6H10O4 + 4 Cr2(SO4)3 + 4 Na2SO4 + 19 H2O
(C2H5)3N + O2 = CO2 + H2O + NO2 =>
4(C2H5)3N + 43 O2 = 24 CO2 + 30 H2O + 4 NO2
Na2CO3*H2O + HC6H8O7*H2O = NaC6H8O7 + CO2 + H2O =>
Na2CO3*H2O + 2 HC6H8O7*H2O = 2 NaC6H8O7 + CO2 + 4 H2O
FeCr4 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
4 FeCr4 + 16 Na2CO3 + 27 O2 = 16 Na2CrO4 + 2 Fe2O3 + 16 CO2
NH3 + Ca = CaH2 + N2 =>
2 NH3 + 3 Ca = 3 CaH2 + N2
Cl2O7 + H2O2 = ClO2{-} + H{+} + O2 =>
2 Cl2O7 + 2 H2O2 = 4 ClO2{-} + 4 H{+} + 5 O2
Cr2S3 + Mn(NO3)2 + Na2(CO3) = N2O2 + CO2 + Na2(CrO4) + Na(MnO4) + Na2(SO4) =>
Cr2S3 + 30 Mn(NO3)2 + 20 Na2(CO3) = 30 N2O2 + 20 CO2 + 2 Na2(CrO4) + 30 Na(MnO4) + 3 Na2(SO4)
CH3NH3Cl + NaOH = CH3NH3 + NaCl + OH =>
CH3NH3Cl + NaOH = CH3NH3 + NaCl + OH
Si + NaOH = Na4SiO4 + H2 =>
Si + 4 NaOH = Na4SiO4 + 2 H2
BaO2 + Mg = MgO + BaO =>
BaO2 + Mg = MgO + BaO
Mn2O3 + HCl = H2O + Mn + Cl =>
Mn2O3 + 6 HCl = 3 H2O + 2 Mn + 6 Cl
Al2Cl6 + NaOH = Al(OH)3 + NaCl =>
Al2Cl6 + 6 NaOH = 2 Al(OH)3 + 6 NaCl
SrCl2 + H2SO4 = H2Cl2 + SrSO4 =>
SrCl2 + H2SO4 = H2Cl2 + SrSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
Cd(OH)2 = H2O + CdO =>
Cd(OH)2 = H2O + CdO
C9H18Cl4 + CuCl = C9H17 + CuH2 + Cl2 =>
4 C9H18Cl4 + 2 CuCl = 4 C9H17 + 2 CuH2 + 9 Cl2
CH3OOH + K2SO3 = CH3CO2K + H2O + SO2 =>
4 CH3OOH + K2SO3 = 2 CH3CO2K + 5 H2O + SO2
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