| Équations équilibrées la veille |
2 Li(s) + 2 H2O = 2 LiOH(aq) + H2(g)
Na(s) + CaCl2(s) = Ca(s) + NaCl(s) =>
2 Na(s) + CaCl2(s) = Ca(s) + 2 NaCl(s)
C8H18(l) + O2(g) = CO2(g) + H2O(g) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
Cobalt + sulfuricacid = cobalt(ii)sulfate + water + sulfurdioxide =>
Co + 2 H2SO4 = CoSO4 + 2 H2O + SO2
NaOH + ***CuSO4 = Na2SO4 + ***Cu(OH)2 =>
2 NaOH + ***CuSO4 = Na2SO4 + ***Cu(OH)2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
FeSO4 + NO + H2O = [Fe(H2O)5NO]SO4 =>
FeSO4 + NO + 5 H2O = [Fe(H2O)5NO]SO4
Ba(OH)2 + Mg(HCO3)2 = BaCO3 + Mg(OH)2 + H2O =>
2 Ba(OH)2 + Mg(HCO3)2 = 2 BaCO3 + Mg(OH)2 + 2 H2O
Fe(CO)5 = Fe3(CO)12 + CO =>
3 Fe(CO)5 = Fe3(CO)12 + 3 CO
NaBr + PbO2 + HNO3 = NaNO3 + Br2 + Pb(NO3)2 + H2O =>
2 NaBr + PbO2 + 4 HNO3 = 2 NaNO3 + Br2 + Pb(NO3)2 + 2 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag2 =>
Cu + 2 AgNO3 = Cu(NO3)2 + Ag2
H2S + Fe2O3 = S3Fe2 + H2O =>
3 H2S + Fe2O3 = S3Fe2 + 3 H2O
Cr(C2H3O2)3 + Ni(ClO3)2 = Cr(ClO3)3 + Ni(C2H3O2)2 =>
2 Cr(C2H3O2)3 + 3 Ni(ClO3)2 = 2 Cr(ClO3)3 + 3 Ni(C2H3O2)2
NH3O = NH3 + O2 =>
2 NH3O = 2 NH3 + O2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Cr(s) + O2(s) = Cr2O3(s) =>
4 Cr(s) + 3 O2(s) = 2 Cr2O3(s)
Sr(OH)2 + Li2CO3 = SrCO3 + LiOH =>
Sr(OH)2 + Li2CO3 = SrCO3 + 2 LiOH
Bi(OH)3 + HNO3 = H2O + Bi(NO3)3 =>
Bi(OH)3 + 3 HNO3 = 3 H2O + Bi(NO3)3
H + Cl = HCl =>
H + Cl = HCl
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CS2 + NH3 = H2S + NH4SCN =>
CS2 + 2 NH3 = H2S + NH4SCN
Fe(NO3)2 + (NH4)2SO4 = Fe(SO4) + NH4NO3 =>
Fe(NO3)2 + (NH4)2SO4 = Fe(SO4) + 2 NH4NO3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
iron(ii,iii)oxide + carbonmonoxide = iron + carbondioxide =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
Zn + KNO3 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
4 Zn + KNO3 + 7 KOH + 6 H2O = 4 K2[Zn(OH)4] + NH3
Fe + Ca(ClO3)2 = CaCl2 + Fe2O3 =>
4 Fe + Ca(ClO3)2 = CaCl2 + 2 Fe2O3
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2 =>
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Sr(HCO3)2 + H2SO4 = SrSO4 + H2O + CO2 =>
Sr(HCO3)2 + H2SO4 = SrSO4 + 2 H2O + 2 CO2
Al(s) + O2(g) = Al2O3(ag) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(ag)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
H2SeO4 + Al(OH)3 = (Al(OH))SeO4 + H2O =>
H2SeO4 + Al(OH)3 = (Al(OH))SeO4 + 2 H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CuCO3 + CH3COOH = Cu(CH3COO)2 + CO2 + H2O =>
CuCO3 + 2 CH3COOH = Cu(CH3COO)2 + CO2 + H2O
X + I = XI =>
X + I = XI
Fe + HgCO3 = FeCO3 + Hg =>
Fe + HgCO3 = FeCO3 + Hg
C2H6(g) + Cl2(g) = C2H5Cl(g) + HCl(g) =>
C2H6(g) + Cl2(g) = C2H5Cl(g) + HCl(g)
Na2[Sn(OH)6] + HCl = SnCl4 + NaCl + H2O =>
Na2[Sn(OH)6] + 6 HCl = SnCl4 + 2 NaCl + 6 H2O
HF + FeS = FeF2 + H2S =>
2 HF + FeS = FeF2 + H2S
HNO2 + KMnO4 + H2SO4 = HNO3 + MnSO4 + KSO4 + H2O =>
2 HNO2 + KMnO4 + 2 H2SO4 = 2 HNO3 + MnSO4 + KSO4 + 2 H2O
KBrO2 + Cd + H2O + KCl = KBr2 + CdCl2 + KOH =>
4 KBrO2 + 7 Cd + 8 H2O + 14 KCl = 2 KBr2 + 7 CdCl2 + 16 KOH
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
CuCO3 + HI = CuI2 + H2CO3 =>
CuCO3 + 2 HI = CuI2 + H2CO3
C9H18S + O2 = CO2 + H2O + SO2 =>
2 C9H18S + 29 O2 = 18 CO2 + 18 H2O + 2 SO2
C2H5OH + CO2 = C12H22O11 + H2O =>
4 C2H5OH + 4 CO2 = C12H22O11 + H2O
SCl4 + Mg = S + MgCl2 =>
SCl4 + 2 Mg = S + 2 MgCl2
KCr(SO4)2 + NaOH = NaCrO2 + KNaSO4 + Na2SO4 + H2O =>
KCr(SO4)2 + 4 NaOH = NaCrO2 + KNaSO4 + Na2SO4 + 2 H2O
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