| Équations équilibrées la veille |
Hg + 2 I = HgI2
KI + CI2 = KCI + I2 =>
KI + CI2 = KCI + I2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Mg(s) + H{+}(aq) = Mg{2+} + H2(g) =>
Mg(s) + 2 H{+}(aq) = Mg{2+} + H2(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HOOCCOOH + CaCl2 = (COO)2Ca + HCl =>
HOOCCOOH + CaCl2 = (COO)2Ca + 2 HCl
Pt + H2SO4 = PtSO4 + H2 =>
Pt + H2SO4 = PtSO4 + H2
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
CuCl + HCl = CuCl2 + H2 =>
2 CuCl + 2 HCl = 2 CuCl2 + H2
Zn(s) + Fe(NO3)3(aq) = Zn(NO3)(aq) + Fe(s) =>
3 Zn(s) + Fe(NO3)3(aq) = 3 Zn(NO3)(aq) + Fe(s)
SO3 = SO2 + O2 =>
2 SO3 = 2 SO2 + O2
B2O3 + H2O = H3BO3 =>
B2O3 + 3 H2O = 2 H3BO3
SnCl2 + Cl2 + H2O = Sn(OH)4 + HCl =>
SnCl2 + Cl2 + 4 H2O = Sn(OH)4 + 4 HCl
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Fe6 + Cl2 = FeCl2 =>
Fe6 + 6 Cl2 = 6 FeCl2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Fe + Cu(NO3)2 = Fe2NO3 + Cu =>
4 Fe + Cu(NO3)2 = 2 Fe2NO3 + Cu
Mg + Fe(PO4)2 = Mg(PO4)2 + Fe =>
Mg + Fe(PO4)2 = Mg(PO4)2 + Fe
NaI + PbSO4 = PbI2 + Na2SO4 =>
2 NaI + PbSO4 = PbI2 + Na2SO4
H2C4H4O5 + NaOH = Na2C4H4O5 + H2O =>
H2C4H4O5 + 2 NaOH = Na2C4H4O5 + 2 H2O
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
K2S + BaCl2 = Ba2S2 + KCl =>
2 K2S + 2 BaCl2 = Ba2S2 + 4 KCl
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
SO2 + Fe2(SO4)3 + H2O = FeSO4 + H2SO4 =>
SO2 + Fe2(SO4)3 + 2 H2O = 2 FeSO4 + 2 H2SO4
NaHCO3 + AgCl = AgHCO3 + NaCl =>
NaHCO3 + AgCl = AgHCO3 + NaCl
Mg(s) + CuO(s) = MgO(s) + Cu(l) =>
Mg(s) + CuO(s) = MgO(s) + Cu(l)
Na + ZnI2 = NaI + NaZn4 =>
9 Na + 4 ZnI2 = 8 NaI + NaZn4
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
AlF3 + K2CO3 = KF + Al2(CO3)3 =>
2 AlF3 + 3 K2CO3 = 6 KF + Al2(CO3)3
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO + H2O =>
3 Cu2S + 22 HNO3 = 6 Cu(NO3)2 + 3 H2SO4 + 10 NO + 8 H2O
C6H12O6 + O2 = CO2 + H2 =>
C6H12O6 + 3 O2 = 6 CO2 + 6 H2
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
HNO3 + P4 + H2 = H3PO4 + NO =>
8 HNO3 + P4 + 2 H2 = 4 H3PO4 + 8 NO
C6H10 + H2SO4 = CO2 + H2O + SO =>
2 C6H10 + 17 H2SO4 = 12 CO2 + 27 H2O + 17 SO
SnSO4 + BaCl2 = SnCl2 + BaSO4 =>
SnSO4 + BaCl2 = SnCl2 + BaSO4
CH2O + Na[BH4] = Na[B(OCH3)4] =>
4 CH2O + Na[BH4] = Na[B(OCH3)4]
C2H4I2 + O2 = ICO2 + H2O =>
C2H4I2 + 3 O2 = 2 ICO2 + 2 H2O
Mg(H2O)4 + OH = Mg(H2O)2(OH)2 + H2O =>
Mg(H2O)4 + 2 OH = Mg(H2O)2(OH)2 + 2 H2O
C2H6N2O2 + O2 = CO + H2O + N2 =>
2 C2H6N2O2 + 3 O2 = 4 CO + 6 H2O + 2 N2
Fe + HCl(konc) = FeCl3 + H2 =>
2 Fe + 6 HCl(konc) = 2 FeCl3 + 3 H2
Fe3(s) + O2(g) = Fe2O2(s) =>
2 Fe3(s) + 3 O2(g) = 3 Fe2O2(s)
Zr(OH)4 + P2O5 = H2O + Zr2O3(HPO4) =>
4 Zr(OH)4 + P2O5 = 7 H2O + 2 Zr2O3(HPO4)
Na2O(s) + HNO3(aq) = H2O + NaNO3 =>
Na2O(s) + 2 HNO3(aq) = H2O + 2 NaNO3
AgNO3 + H2O2 = Ag2O2 + HNO3 =>
2 AgNO3 + H2O2 = Ag2O2 + 2 HNO3
PbS + O2 = PbO + SO2 = =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
CO2 + H2O = C7H6O + O2 =>
7 CO2 + 3 H2O = C7H6O + 8 O2
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