| Équations équilibrées la veille |
4 HNO3 + PbO2 + 2 Fe(NO3)2 = 2 Fe(NO3)3 + Pb(NO3)2 + 2 H2O
NiCl2*6H2O = Ni13 + Cl3 + H2O =>
39 NiCl2*6H2O = 3 Ni13 + 26 Cl3 + 234 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
C10H10Fe + C4H6O3 = C12H12FeO + H2O =>
2 C10H10Fe + C4H6O3 = 2 C12H12FeO + H2O
SiCl4 + Al2O3 = SiO2 + AlCl3 =>
3 SiCl4 + 2 Al2O3 = 3 SiO2 + 4 AlCl3
Y(NO3)3*6H2O + Cu(NO3)2*3H2O + Ba(NO3)2 + C6H8O7 = YBa2Cu3O7 + H2O + NO2 + CO2 =>
3 Y(NO3)3*6H2O + 9 Cu(NO3)2*3H2O + 6 Ba(NO3)2 + 2 C6H8O7 = 3 YBa2Cu3O7 + 53 H2O + 39 NO2 + 12 CO2
K2O + Na(OH)2 = KOH + NaO =>
K2O + Na(OH)2 = 2 KOH + NaO
CuO + NaOH + H2O = Na2(Cu(OH)4) =>
CuO + 2 NaOH + H2O = Na2(Cu(OH)4)
H4P2O5 + Cu(OH)2 = Cu4(P2O5)2 + H2O =>
2 H4P2O5 + 4 Cu(OH)2 = Cu4(P2O5)2 + 8 H2O
HNO2 + K2Gr2O7 + H2SO4 = HNO3 + K2SO4 + Gr2(SO4)3 + H2O =>
3 HNO2 + K2Gr2O7 + 4 H2SO4 = 3 HNO3 + K2SO4 + Gr2(SO4)3 + 4 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C5H12(i) + O2(g) = CO2(g) + H2O(g) =>
C5H12(i) + 8 O2(g) = 5 CO2(g) + 6 H2O(g)
AlCl3 + NaOH = Na(Al(OH)4) + NaCl =>
AlCl3 + 4 NaOH = Na(Al(OH)4) + 3 NaCl
(NH4)2Fe(SO4)2 + I2 = FeI3 + (NH4)2SO4 + Fe2(SO4)3 =>
6(NH4)2Fe(SO4)2 + 3 I2 = 2 FeI3 + 6(NH4)2SO4 + 2 Fe2(SO4)3
Mg(HCO3)2 + Ca(OH)2 = Ca(HCO3)2 + Mg(OH)2 =>
Mg(HCO3)2 + Ca(OH)2 = Ca(HCO3)2 + Mg(OH)2
Ra2 + H2 = RaH =>
Ra2 + H2 = 2 RaH
BaCO3 + H3(PO4) = Ba3(PO4)2 + H2(CO3) =>
3 BaCO3 + 2 H3(PO4) = Ba3(PO4)2 + 3 H2(CO3)
CO2 + NH2 = NOC + H2O =>
CO2 + NH2 = NOC + H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
KO2(s) + CO2(g) = K2CO3(s) + O2(g) =>
4 KO2(s) + 2 CO2(g) = 2 K2CO3(s) + 3 O2(g)
Fe(NO3)2 + Cr2(SO4)3 = Fe(SO4) + Cr(NO3)3 =>
3 Fe(NO3)2 + Cr2(SO4)3 = 3 Fe(SO4) + 2 Cr(NO3)3
Cu + H2SO4 + KNO3 = Cu(NO3)2 + NO2 + H2O + K2SO4 =>
Cu + 2 H2SO4 + 4 KNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O + 2 K2SO4
Co(OH)3 + NH4OH = [Co(NH3)6](OH)3 + H2O =>
Co(OH)3 + 6 NH4OH = [Co(NH3)6](OH)3 + 6 H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Na + Sn{2+} = Na{+} + Sn =>
2 Na + Sn{2+} = 2 Na{+} + Sn
C4H6O6 + CuO = CO2 + H2O + Cu =>
C4H6O6 + 5 CuO = 4 CO2 + 3 H2O + 5 Cu
H3AsO4 + Co(OH)2 = Co(H2AsO4)2 + H2O =>
2 H3AsO4 + Co(OH)2 = Co(H2AsO4)2 + 2 H2O
C + I = CI2 =>
C + 2 I = CI2
CaSO4 + SiO2 = CaSiO3 + O + S =>
CaSO4 + SiO2 = CaSiO3 + 3 O + S
K2Cr2O7 + Na2SO4 = K2SO4 + Na2Cr2O7 =>
K2Cr2O7 + Na2SO4 = K2SO4 + Na2Cr2O7
Fe(NO3)3 + H2 = HNO3 + Fe =>
2 Fe(NO3)3 + 3 H2 = 6 HNO3 + 2 Fe
Ba(OH)2 + P4O10 = Ba3(PO4)2 + H2O =>
6 Ba(OH)2 + P4O10 = 2 Ba3(PO4)2 + 6 H2O
CH3CH2CH2CH3 + Cl2 = CH3CH(Cl)CH3 + HCl =>
3 CH3CH2CH2CH3 + 3 Cl2 = 4 CH3CH(Cl)CH3 + 2 HCl
AlBr3 + H2O = Al + OBr2 + H2 =>
2 AlBr3 + 3 H2O = 2 Al + 3 OBr2 + 3 H2
C4H8O2 + Na = C4H7O2Na + H2 =>
2 C4H8O2 + 2 Na = 2 C4H7O2Na + H2
MgCO3 + Na2O = MgO + Na2CO3 =>
MgCO3 + Na2O = MgO + Na2CO3
MgNH4PO4 = H2O + Mg2P2O7 + NH3 =>
2 MgNH4PO4 = H2O + Mg2P2O7 + 2 NH3
Na2SeO3 + Zn + HCl = H2Se + ZnCl2 + NaCl + H2O =>
Na2SeO3 + 3 Zn + 8 HCl = H2Se + 3 ZnCl2 + 2 NaCl + 3 H2O
Ba(SO4)2 = Ba + SO4 =>
Ba(SO4)2 = Ba + 2 SO4
Al + O2 + H2O + OH{-} = [Al(OH)4]{-} =>
4 Al + 3 O2 + 6 H2O + 4 OH{-} = 4[Al(OH)4]{-}
C6H8O7 + NH4OH = (NH4)2C6H6O7 + H2O =>
C6H8O7 + 2 NH4OH = (NH4)2C6H6O7 + 2 H2O
Li2S + S = Li2S4 =>
Li2S + 3 S = Li2S4
Bi(OH)3 + HNO2 = Bi(NO2)3 + H2O =>
Bi(OH)3 + 3 HNO2 = Bi(NO2)3 + 3 H2O
Cu(OH)2 + (H2SO4) = CuSO4 + H2O =>
Cu(OH)2 + (H2SO4) = CuSO4 + 2 H2O
C2H7O + O2 = CO2 + H2O =>
4 C2H7O + 13 O2 = 8 CO2 + 14 H2O
Ag + MgO = AgO + Mg =>
Ag + MgO = AgO + Mg
Ba + H3PO4 = Ba3(PO4)2 + H2 =>
3 Ba + 2 H3PO4 = Ba3(PO4)2 + 3 H2
HCN(aq) + CuSO4(aq) = H2SO4(aq) + Cu(CN)2(aq) =>
2 HCN(aq) + CuSO4(aq) = H2SO4(aq) + Cu(CN)2(aq)
C6H8O6 + NaClO = C6H6O6 + NaCl + H2O =>
C6H8O6 + NaClO = C6H6O6 + NaCl + H2O
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