| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SO4 + C2H5OH = C2H5OSO2OH + H2O
Sn + Na2CO3 = Sn(CO3)2 + Na =>
Sn + 2 Na2CO3 = Sn(CO3)2 + 4 Na
C2H2 + KMnO4 + KOH = K2C2O4 + K2MnO4 + H2O =>
C2H2 + 8 KMnO4 + 10 KOH = K2C2O4 + 8 K2MnO4 + 6 H2O
FeO + O2 = Fe3O4 =>
6 FeO + O2 = 2 Fe3O4
KOH + KNO3 + MnSO4 = K2MnO4 + KNO2 + K2SO4 + H2O =>
4 KOH + 2 KNO3 + MnSO4 = K2MnO4 + 2 KNO2 + K2SO4 + 2 H2O
H3AsO4 + Pb(NO3)2 = HNO3 + PbHAsO4 =>
H3AsO4 + Pb(NO3)2 = 2 HNO3 + PbHAsO4
Al + KOH + H2SO + H2O = KAl(SO4)21*2H2O + H2 =>
2 Al + 2 KOH + 42 H2SO + 128 H2O = 2 KAl(SO4)21*2H2O + 167 H2
NaNO3 + H2SO4 = Na2SO4 + H2O + N2O5 =>
2 NaNO3 + H2SO4 = Na2SO4 + H2O + N2O5
Al2(SO4)3 + Ca3(PO4)2 = Al(PO4) + Ca(SO4) =>
Al2(SO4)3 + Ca3(PO4)2 = 2 Al(PO4) + 3 Ca(SO4)
H3PO4 + RbOH = H2O + Rb3PO4 =>
H3PO4 + 3 RbOH = 3 H2O + Rb3PO4
MgSO4 + HNO3 = Mg(NO3)2 + H2SO4 =>
MgSO4 + 2 HNO3 = Mg(NO3)2 + H2SO4
C14H8O4 + AlCl3 = (C14H6O4)3Al2 + HCl =>
3 C14H8O4 + 2 AlCl3 = (C14H6O4)3Al2 + 6 HCl
CdO + HMnO4 = Cd(MnO4)2 + H2O =>
CdO + 2 HMnO4 = Cd(MnO4)2 + H2O
CH3OONa + HCl = CH3OOH + NaCl =>
CH3OONa + HCl = CH3OOH + NaCl
CaI2 + Na2CO3 = CaCO3 + Na2I2 =>
CaI2 + Na2CO3 = CaCO3 + Na2I2
Al(NO3)3 + H2O = Al2O3 + HNO3 =>
2 Al(NO3)3 + 3 H2O = Al2O3 + 6 HNO3
K2MnO4 + H2SO4 + Cl2 = KMnO4 + K2SO4 + HCl =>
2 K2MnO4 + H2SO4 + Cl2 = 2 KMnO4 + K2SO4 + 2 HCl
CH3COOH + C2H5OH = C5H10O2 + H2O =>
2 CH3COOH + 3 C2H5OH = 2 C5H10O2 + 3 H2O
Sc3 + O2 = Sc2O3 =>
4 Sc3 + 9 O2 = 6 Sc2O3
H2S + (Cr2O7){-}2 + H{+} = S + Cr3{+} + H2O =>
37 H2S + 6(Cr2O7){-}2 + 10 H{+} = 37 S + 4 Cr3{+} + 42 H2O
[Zr4(OH)8(OH2)16]Cl8 + KOH = Zr4(OH)16(H2O)8 + KCl + H2O =>
[Zr4(OH)8(OH2)16]Cl8 + 8 KOH = Zr4(OH)16(H2O)8 + 8 KCl + 8 H2O
C3H8O + KMnO4 = C3H6O + K + Mn + H2O =>
4 C3H8O + KMnO4 = 4 C3H6O + K + Mn + 4 H2O
MnO{4}{-} + I = MnO{2} + I{2} =>
MnO{4}{-} + I = MnO{2} + I{2}
CuCl + NH4OH = [Cu(NH3)2]Cl + H2O =>
CuCl + 2 NH4OH = [Cu(NH3)2]Cl + 2 H2O
C3H6 = C + H2 =>
C3H6 = 3 C + 3 H2
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
CH3COOH + Zn = (CH3COO)2Zn + H2 =>
2 CH3COOH + Zn = (CH3COO)2Zn + H2
Li3PO4 + H2O = Li2O + H3PO4 =>
2 Li3PO4 + 3 H2O = 3 Li2O + 2 H3PO4
COCl2 + H2O = HCl + CO2 =>
COCl2 + H2O = 2 HCl + CO2
Li2CO3 + ZnCl = LiCl + Zn2CO3 =>
Li2CO3 + 2 ZnCl = 2 LiCl + Zn2CO3
Mg + O2 = Mg2O10 =>
2 Mg + 5 O2 = Mg2O10
C6H12O6 + AgNO3 + NH4OH = Ag + C6H12O7 + NH3 =>
9 C6H12O6 + 2 AgNO3 + 3 NH4OH = 2 Ag + 9 C6H12O7 + 5 NH3
KCr(SO4)2 + NaOH = Cr(OH)3 + KNaSO4 + Na2SO4 =>
KCr(SO4)2 + 3 NaOH = Cr(OH)3 + KNaSO4 + Na2SO4
HNO3 + Zn(OH)2 = ZnOHNO3 + H2O =>
HNO3 + Zn(OH)2 = ZnOHNO3 + H2O
Pb2 + NaOH + H2O = Na2[Pb(OH)4] + H2 =>
Pb2 + 4 NaOH + 4 H2O = 2 Na2[Pb(OH)4] + 2 H2
Ar + O2 = Ar2O3 =>
4 Ar + 3 O2 = 2 Ar2O3
MgBr2 + Cl = MgCl2 + Br =>
MgBr2 + 2 Cl = MgCl2 + 2 Br
C12H12O11 + H2SO4 = CO2 + H2O + SO2 =>
C12H12O11 + 19 H2SO4 = 12 CO2 + 25 H2O + 19 SO2
OH{-} + Al + H2O + NO2{-} = AlO2{-} + NH3 =>
OH{-} + 2 Al + H2O + NO2{-} = 2 AlO2{-} + NH3
K2CrO4(aq) + NiCl2(aq) = K2Cl2 + NiCrO4 =>
K2CrO4(aq) + NiCl2(aq) = K2Cl2 + NiCrO4
[Ni(NH3)6]SO4 + Na2S = NiS + Na2SO4 + NH3 =>
[Ni(NH3)6]SO4 + Na2S = NiS + Na2SO4 + 6 NH3
Cu(NO3)2 + LiOH = Cu(OH)2 + LiNO3 =>
Cu(NO3)2 + 2 LiOH = Cu(OH)2 + 2 LiNO3
Nb2O5 + CCl4 = NbCl5 + COCl2 =>
Nb2O5 + 5 CCl4 = 2 NbCl5 + 5 COCl2
Cu + HCl = CuCl + H2 =>
2 Cu + 2 HCl = 2 CuCl + H2
Na2CO3 + HCl(aq) = NaCl + H2CO3 =>
Na2CO3 + 2 HCl(aq) = 2 NaCl + H2CO3
Mg(NO3)2(aq) + K(s) = Mg(s) + KNO3(aq) =>
Mg(NO3)2(aq) + 2 K(s) = Mg(s) + 2 KNO3(aq)
K + P4 = K3P =>
12 K + P4 = 4 K3P
C12H26 + O2 = CO + H2O =>
2 C12H26 + 25 O2 = 24 CO + 26 H2O
HNO3 + NO = NO2 + H2O =>
2 HNO3 + NO = 3 NO2 + H2O
CaCO3 + SO4 = O2 + CaSO4 + CO2 =>
2 CaCO3 + 2 SO4 = O2 + 2 CaSO4 + 2 CO2
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