| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na(s) + Cl2 = 2 NaCl(s)
PbCrO4 + KOH = K2[Pb(OH)4] + K2CrO4 =>
PbCrO4 + 4 KOH = K2[Pb(OH)4] + K2CrO4
Bi(NO3)3 + CH3CSNH2 = BiS3 + CH3CNH2(NO3) =>
Bi(NO3)3 + 3 CH3CSNH2 = BiS3 + 3 CH3CNH2(NO3)
ZnBr2 + Al{3+} = AlBr3 + Zn{2+} =>
3 ZnBr2 + 2 Al{3+} = 2 AlBr3 + 3 Zn{2+}
HClO3 + CD(OH)2 = CD(ClO3)2 + H2O =>
2 HClO3 + CD(OH)2 = CD(ClO3)2 + 2 H2O
CO + KOH = K2CO2 + H2O =>
CO + 2 KOH = K2CO2 + H2O
CaHPO4 + H3PO4 = Ca(H2PO4)2 =>
CaHPO4 + H3PO4 = Ca(H2PO4)2
NH4 + HPO4 = NH4PO4 + H2 =>
2 NH4 + 2 HPO4 = 2 NH4PO4 + H2
NH2(g) + O2(g) = N2(g) + H2O(g) =>
2 NH2(g) + O2(g) = N2(g) + 2 H2O(g)
Pb + PbO2 + H2SO4 = Pb(ll)SO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 Pb(ll)SO4 + 2 H2O
MgCl2 + Na = Mg + NaCl =>
MgCl2 + 2 Na = Mg + 2 NaCl
C12H18O4 + O2 = H2O + CO2 =>
2 C12H18O4 + 29 O2 = 18 H2O + 24 CO2
Ca(H2PO4) + AlAsO3 = Ca3(AsO3)2 + Al2(H2PO4)3 =>
3 Ca(H2PO4) + 2 AlAsO3 = Ca3(AsO3)2 + Al2(H2PO4)3
FeBr2 + KMnO4 + H2SO4 = Fe2(SO4)3 + FeBr3 + MnSO4 + KBr + H2O =>
5 FeBr2 + KMnO4 + 4 H2SO4 = Fe2(SO4)3 + 3 FeBr3 + MnSO4 + KBr + 4 H2O
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
CU(OH)2 + H2 = CU + H2O =>
CU(OH)2 + H2 = CU + 2 H2O
NH2(g) + O2(g) = NO(g) + H2O(l) =>
NH2(g) + O2(g) = NO(g) + H2O(l)
NaH2PO4 + AgNO3 = AgPO4 + NaNO3 + H =>
NaH2PO4 + AgNO3 = AgPO4 + NaNO3 + 2 H
Cu(ClO4)2 + Li2S = CuS + LiClO4 =>
Cu(ClO4)2 + Li2S = CuS + 2 LiClO4
MgBr2 + NiCl2 = MgCl2 + NiBr2 =>
MgBr2 + NiCl2 = MgCl2 + NiBr2
Zn(NO3)2 + Na2(CrO4) = ZnCrO4 + NaNO3 =>
Zn(NO3)2 + Na2(CrO4) = ZnCrO4 + 2 NaNO3
HCl + Ca(NO3)2 = Cl(NO3)2 + HCa =>
HCl + Ca(NO3)2 = Cl(NO3)2 + HCa
Ge + H2 = GeH =>
2 Ge + H2 = 2 GeH
HCl + Ca(OH)2 = H2O + CaCl2 =>
2 HCl + Ca(OH)2 = 2 H2O + CaCl2
Mn2O4 + H2SO4 = Mn(SO4)2 + H2O =>
Mn2O4 + 4 H2SO4 = 2 Mn(SO4)2 + 4 H2O
Mg2Co3 + HCl = MgCl + H2Co3 =>
Mg2Co3 + 2 HCl = 2 MgCl + H2Co3
C8H16O + O2 = H2O + CO2 =>
2 C8H16O + 23 O2 = 16 H2O + 16 CO2
Mn + Ag{2+} = Mn{2+} + Ag =>
Mn + Ag{2+} = Mn{2+} + Ag
Na + CrO7 = Na2CrO7 =>
2 Na + CrO7 = Na2CrO7
Zn + CH3COOH = Zn(C2H3O2) + H2 =>
2 Zn + 2 CH3COOH = 2 Zn(C2H3O2) + H2
K2CrO4 + SrCl2 = KCl + SrCrO4 =>
K2CrO4 + SrCl2 = 2 KCl + SrCrO4
NaNO2 + KMnO4 + H2SO4 = NaNO3 + H2O + K2SO4 + MnSO4 =>
5 NaNO2 + 2 KMnO4 + 3 H2SO4 = 5 NaNO3 + 3 H2O + K2SO4 + 2 MnSO4
Ca(NO3)2 + K3PO4 = KNO3 + Ca3(PO4)2 =>
3 Ca(NO3)2 + 2 K3PO4 = 6 KNO3 + Ca3(PO4)2
ClF3 + (CH3)2N2H = CF5 + N2 + HCl + HF =>
17 ClF3 + 4(CH3)2N2H = 8 CF5 + 4 N2 + 17 HCl + 11 HF
N2O2 + H2O + O2 = HNO3 =>
2 N2O2 + 2 H2O + 3 O2 = 4 HNO3
Ba(OH)2H2O(s) + NH4SCN(s) = Ba(SCN)2(s) + H2O(l) + NH3(g) =>
Ba(OH)2H2O(s) + 2 NH4SCN(s) = Ba(SCN)2(s) + 3 H2O(l) + 2 NH3(g)
CO + NH3 = NCH + H2O =>
CO + NH3 = NCH + H2O
Li + H2SeO4 = Li2SeO4 + H2 =>
2 Li + H2SeO4 = Li2SeO4 + H2
CH3CH2OH + CUO = CH3COOH + H2 + CU =>
CH3CH2OH + CUO = CH3COOH + H2 + CU
FeSO4 + Fe(NO3)3 = Fe(NO3)2 + Fe2(SO4)3 =>
3 FeSO4 + 2 Fe(NO3)3 = 3 Fe(NO3)2 + Fe2(SO4)3
Zn(C3H3O2)2 + Na3PO4 = Zn3(PO4)2 + NaC3H3O2 =>
3 Zn(C3H3O2)2 + 2 Na3PO4 = Zn3(PO4)2 + 6 NaC3H3O2
Cu + MgCl2 = Cl2Cu + Mg =>
Cu + MgCl2 = Cl2Cu + Mg
C6H6HONO2 = C6H5NO2H2O =>
C6H6HONO2 = C6H5NO2H2O
HCl + K2Cr2O7 + C2H6O = KCl + CO2 + H2O + CrCl3 =>
16 HCl + 2 K2Cr2O7 + C2H6O = 4 KCl + 2 CO2 + 11 H2O + 4 CrCl3
C2H5OH + NaOH = NaC2H5O + H2O =>
C2H5OH + NaOH = NaC2H5O + H2O
ZnOHCl + H2SO4 = ZnSO4 + HCl + H2O =>
ZnOHCl + H2SO4 = ZnSO4 + HCl + H2O
HCl + LiCO3 = HCO3 + LiCl =>
HCl + LiCO3 = HCO3 + LiCl
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
AlOOH + HNO3 + MgO + H2O = Mg6Al2(OH)16(NO3)2 =>
2 AlOOH + 2 HNO3 + 6 MgO + 6 H2O = Mg6Al2(OH)16(NO3)2
K2CO3 + Al(NO3)3 + H2O = Al(OH)3 + H2CO3 + KNO3 =>
3 K2CO3 + 2 Al(NO3)3 + 6 H2O = 2 Al(OH)3 + 3 H2CO3 + 6 KNO3
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