| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu(CH3COO)2 + 2 NaOH = CuO + 2 NaCH3COO + H2O
ScBr3 + Pb(NO3)2 = Sc(NO3)3 + PbBr2 =>
2 ScBr3 + 3 Pb(NO3)2 = 2 Sc(NO3)3 + 3 PbBr2
C7H16 + O1 = CO2 + H2O =>
C7H16 + 22 O1 = 7 CO2 + 8 H2O
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
Pb(NO3)4 + (NH4)HSO4 = (NH4)(NO3) + Pb(HSO4)4 =>
Pb(NO3)4 + 4(NH4)HSO4 = 4(NH4)(NO3) + Pb(HSO4)4
FeS2 + O2 = Fe88S + SO2 =>
88 FeS2 + 175 O2 = Fe88S + 175 SO2
AlBr3 + HgCl2 = AlCl3 + HgBr2 =>
2 AlBr3 + 3 HgCl2 = 2 AlCl3 + 3 HgBr2
S + HNO3 = H2(SO)4 + NO2 + H2O =>
4 S + 6 HNO3 = H2(SO)4 + 6 NO2 + 2 H2O
SiBr4 + Cl2 = SiCl4 + Br2 =>
SiBr4 + 2 Cl2 = SiCl4 + 2 Br2
Al2(SO4)3 + NaCl = Al2SO4 + Na2SO4 + Cl2 =>
Al2(SO4)3 + 4 NaCl = Al2SO4 + 2 Na2SO4 + 2 Cl2
(CH3)Au + PH3 = (CH3)AuPH3 =>
(CH3)Au + PH3 = (CH3)AuPH3
C2H90 + O2 = CO2 + H2O =>
2 C2H90 + 49 O2 = 4 CO2 + 90 H2O
zincsulfide = zinc + sulfur =>
ZnS = Zn + S
ZnI2 + K2(CO3) = Zn(CO3) + KI =>
ZnI2 + K2(CO3) = Zn(CO3) + 2 KI
ZnO + Mg(OH)2 = Zn(OH)2 + MgO =>
ZnO + Mg(OH)2 = Zn(OH)2 + MgO
HOCl + C6H11OH = C6H10O + H3O + Cl =>
HOCl + C6H11OH = C6H10O + H3O + Cl
Ca + FeBr2 = CaFeBr2 =>
Ca + FeBr2 = CaFeBr2
HCC8H10 + O2 = CO2 + H2O =>
4 HCC8H10 + 47 O2 = 36 CO2 + 22 H2O
HNO3 + K2MnO4 = MnO2 + KNO3 + KMnO4 + H2O =>
4 HNO3 + 3 K2MnO4 = MnO2 + 4 KNO3 + 2 KMnO4 + 2 H2O
K2Cr2O7 + MnO2 + H2SO4 = KMnO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 2 MnO2 + 3 H2SO4 = 2 KMnO4 + Cr2(SO4)3 + 3 H2O
HNO3 + Ba(OH) = Ba(NO3) + H2O =>
HNO3 + Ba(OH) = Ba(NO3) + H2O
CuO + NH = N2 + H2O + Cu =>
CuO + 2 NH = N2 + H2O + Cu
HOCH2CH(OH)CH2OH + KMnO4 = CO2 + H2O + KOH + MnO2 =>
3 HOCH2CH(OH)CH2OH + 14 KMnO4 = 9 CO2 + 5 H2O + 14 KOH + 14 MnO2
CuSO4*5H2O + NH3 = [Cu(NH3)4SO4] + H2O =>
CuSO4*5H2O + 4 NH3 = [Cu(NH3)4SO4] + 5 H2O
K2MnO4 + HCl = H2MnO4 + KCl =>
K2MnO4 + 2 HCl = H2MnO4 + 2 KCl
HNO2(aq) + Ba(OH)2(aq) = Ba(NO2)2(aq) + HOH(l) =>
2 HNO2(aq) + Ba(OH)2(aq) = Ba(NO2)2(aq) + 2 HOH(l)
Ni2O3 + Fe + H2O = Ni(OH2) + Fe(OH)2 =>
Ni2O3 + 3 Fe + 5 H2O = 2 Ni(OH2) + 3 Fe(OH)2
Ba + (OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba + (OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
MgSO4 = MgO + SO3 =>
MgSO4 = MgO + SO3
Na2SO4 + Ba(NO3)2 = Na(NO3) + SO4Ba =>
Na2SO4 + Ba(NO3)2 = 2 Na(NO3) + SO4Ba
NH4Cl + NaOH = NaCl + NH4OH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + NH4OH
AlP + HNO3 = H3PO4 + Al(NO3)2 + NO2 + H2O =>
AlP + 9 HNO3 = H3PO4 + Al(NO3)2 + 7 NO2 + 3 H2O
BiCl3 + Br2 + NaOH = NaBiO3 + NaBr + NaCl + H2O =>
BiCl3 + Br2 + 6 NaOH = NaBiO3 + 2 NaBr + 3 NaCl + 3 H2O
Al + Ag2O = Al2O3 + Ag =>
2 Al + 3 Ag2O = Al2O3 + 6 Ag
NiS + H2O2 = Ni + H2SO2 =>
NiS + H2O2 = Ni + H2SO2
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
CuO + H = Cu + H2O =>
CuO + 2 H = Cu + H2O
Na2S + Pb(NO3)2 = Na2Pb + (NO3)2S =>
Na2S + Pb(NO3)2 = Na2Pb + (NO3)2S
(Cr(OH)4){-}1 + H2O2 = (CrO4){-}1 + H2O =>
(Cr(OH)4){-}1 + 2 H2O2 = (CrO4){-}1 + 4 H2O
Na3N(s) + Fe2O3(s) = Fe(s) + Na2O(s) + N2(g) =>
2 Na3N(s) + Fe2O3(s) = 2 Fe(s) + 3 Na2O(s) + N2(g)
H3C6H5O7 + NaHCO3 = Na3C6H7O7 + H2O + CO2 =>
10 H3C6H5O7 + 27 NaHCO3 = 9 Na3C6H7O7 + 22 H2O + 33 CO2
CO2(g) + Ba(OH)2(s) = Ba(HCO3)2 =>
2 CO2(g) + Ba(OH)2(s) = Ba(HCO3)2
NaHCO3 + KAl(SO4)2 = K2CO3 + NaHSO4 + Al2(SO4)3 =>
NaHCO3 + 2 KAl(SO4)2 = K2CO3 + NaHSO4 + Al2(SO4)3
NaHCO3 + C6H8O9 = CO2 + Na3C6H5O7 + H2O =>
21 NaHCO3 + 9 C6H8O9 = 33 CO2 + 7 Na3C6H5O7 + 29 H2O
HNbO3 + CoS = S + NbO + Co(NbO3)2 + H2O =>
8 HNbO3 + 3 CoS = 3 S + 2 NbO + 3 Co(NbO3)2 + 4 H2O
FeCl3 + KMnO4 + H2SO4 = Cl2 + K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
10 FeCl3 + 6 KMnO4 + 24 H2SO4 = 15 Cl2 + 3 K2SO4 + 6 MnSO4 + 5 Fe2(SO4)3 + 24 H2O
(NH4)2S + NaOH = H2O + NH3 + Na2S =>
(NH4)2S + 2 NaOH = 2 H2O + 2 NH3 + Na2S
NH4ClO4(s) + Al(s) = Al2O3(s) + AlCl3(s) + NO(g) + H2O(g) =>
3 NH4ClO4(s) + 3 Al(s) = Al2O3(s) + AlCl3(s) + 3 NO(g) + 6 H2O(g)
Zn + KOH = K + Zn(OH)2 =>
Zn + 2 KOH = 2 K + Zn(OH)2
O2 + H8 = H2O =>
2 O2 + H8 = 4 H2O
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