Équations équilibrées la veille |
2 N2O5(g) = 4 NO2(g) + O2(g)
NaHSO3 = H2O + Na2SO3 + SO2 =>
2 NaHSO3 = H2O + Na2SO3 + SO2
HCl + Ag = AgCl + H =>
HCl + Ag = AgCl + H
HCl + Zn = H2 + ZnCl2 =>
2 HCl + Zn = H2 + ZnCl2
Mg(s) + O2(g) = MgO =>
2 Mg(s) + O2(g) = 2 MgO
HCl + Zn = H2 + ZnCl2 =>
2 HCl + Zn = H2 + ZnCl2
MgCO3 + Al2(SO4)3 = MgSO4 + Al2(CO3)3 =>
3 MgCO3 + Al2(SO4)3 = 3 MgSO4 + Al2(CO3)3
Cu + FeSO4 = CuSO4 + Fe =>
Cu + FeSO4 = CuSO4 + Fe
C2H5OH + HBr = C2H5Br + H2O =>
C2H5OH + HBr = C2H5Br + H2O
H2O + OCl = Cl2 + OH =>
2 H2O + 2 OCl = Cl2 + 4 OH
C6H5ONa + HCl = C6H5OH + NaCl =>
C6H5ONa + HCl = C6H5OH + NaCl
Co2O3 + NO2 + O2 = Co(NO3)3 =>
2 Co2O3 + 12 NO2 + 3 O2 = 4 Co(NO3)3
Cr + NiSO4 = CrSO4 + Ni =>
Cr + NiSO4 = CrSO4 + Ni
CaF2 + Na = NaF + Ca =>
CaF2 + 2 Na = 2 NaF + Ca
AlOH + H2S = Al2S + H2O =>
2 AlOH + H2S = Al2S + 2 H2O
(NH4)2 + Cl2 = (NH4)2Cl2 =>
(NH4)2 + Cl2 = (NH4)2Cl2
P2O5 + CaSiO3 = SiO2 + Ca3(PO4)2 =>
P2O5 + 3 CaSiO3 = 3 SiO2 + Ca3(PO4)2
Al + NaNO3 + NaOH = NaAlO2 + NH3 + N2 =>
6 Al + 3 NaNO3 + 3 NaOH = 6 NaAlO2 + NH3 + N2
HCl + Zn = H2 + ZnCl =>
2 HCl + 2 Zn = H2 + 2 ZnCl
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Sn + HgO = SnO + Hg =>
Sn + HgO = SnO + Hg
TlCl + NaOCl + NaOH = Tl2O3 + NaCl + H2O =>
2 TlCl + 2 NaOCl + 2 NaOH = Tl2O3 + 4 NaCl + H2O
MnO4 + CH3OH = MnO2 + HCOO + H2O =>
5 MnO4 + 4 CH3OH = 5 MnO2 + 4 HCOO + 6 H2O
As2O5 + H2O = H3AsO4 =>
As2O5 + 3 H2O = 2 H3AsO4
(NH4)3PO4 + Pb(NO3)2 = NH4NO3 + Pb3(PO4)2 =>
2(NH4)3PO4 + 3 Pb(NO3)2 = 6 NH4NO3 + Pb3(PO4)2
C6H5OH + Br = C6H5OBr + HBr =>
C6H5OH + 2 Br = C6H5OBr + HBr
NH4Cl + N2 = NH3 + Cl2 =>
6 NH4Cl + N2 = 8 NH3 + 3 Cl2
C + Na2SO3 = Na2S + CO =>
3 C + Na2SO3 = Na2S + 3 CO
Cr2 + Cl = CrCl2 =>
Cr2 + 4 Cl = 2 CrCl2
KMnO4 + C2H5OH + H2SO4 = MnSO4 + K2SO4 + CH3CHO + H2O =>
2 KMnO4 + 5 C2H5OH + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 CH3CHO + 8 H2O
C2H5Br + HBr = C2H4Br2 + H2 =>
C2H5Br + HBr = C2H4Br2 + H2
(NH4)2SO4 + Fe(NO3)3 = Fe2(SO4)3 + NH4NO3 =>
3(NH4)2SO4 + 2 Fe(NO3)3 = Fe2(SO4)3 + 6 NH4NO3
FeCl2 + K2SO4 = FeSO4 + KCl =>
FeCl2 + K2SO4 = FeSO4 + 2 KCl
CaO + HOH = Ca(OH)2 =>
CaO + HOH = Ca(OH)2
CdCl2 + H2O = CdCl2(H2O)2 =>
CdCl2 + 2 H2O = CdCl2(H2O)2
KCl + K2CO3 = ClCO3 + K =>
KCl + K2CO3 = ClCO3 + 3 K
HCOOCH3 + NaHCO3 = CH3COONa + CO2 + H2O =>
HCOOCH3 + NaHCO3 = CH3COONa + CO2 + H2O
U + CH3COOH + O2 = UO2(CH3COO)2 + H2 =>
U + 2 CH3COOH + O2 = UO2(CH3COO)2 + H2
C6H5NH2 + HBr = C6H5Br + NH3 =>
C6H5NH2 + HBr = C6H5Br + NH3
AgCN + NH4SCN = AgSCN + NH4CN =>
AgCN + NH4SCN = AgSCN + NH4CN
CaO + HOH = Ca(OH)2 =>
CaO + HOH = Ca(OH)2
Al(s) + Br2(l) = AlBr3 =>
2 Al(s) + 3 Br2(l) = 2 AlBr3
Sn + NaOH + H2O = Na2SnO3 + H2 =>
Sn + 2 NaOH + H2O = Na2SnO3 + 2 H2
ZnCl2 + HCl = ZnClHCl2 =>
ZnCl2 + HCl = ZnClHCl2
CuCo3 + Ca(OH)2 = Cu(OH)2 + CaCo3 =>
CuCo3 + Ca(OH)2 = Cu(OH)2 + CaCo3
FeCl3(aq) + Na2CO3(aq) = Fe2(CO3)3(s) + NaCl(aq) =>
2 FeCl3(aq) + 3 Na2CO3(aq) = Fe2(CO3)3(s) + 6 NaCl(aq)
Pb(NO3)2 + HCl + Cl2 + NH4Cl = (NH4)2PbCl6 + HNO3 =>
Pb(NO3)2 + 2 HCl + Cl2 + 2 NH4Cl = (NH4)2PbCl6 + 2 HNO3
Na(OH)2 + CO2 = NaCO3 + H2O =>
Na(OH)2 + CO2 = NaCO3 + H2O
Na2CO3(aq) + Ca(OH)2(aq) = NaOH(aq) + CaCO3(s) =>
Na2CO3(aq) + Ca(OH)2(aq) = 2 NaOH(aq) + CaCO3(s)
Hf + Au + HI = H2 + HfAuI5 =>
2 Hf + 2 Au + 10 HI = 5 H2 + 2 HfAuI5
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