| Équations équilibrées la veille | Équations équilibrées le lendemain |
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
Pb(NO3)4(aq) + K2Cr2O7(aq) = Pb(Cr2O7)2 + KNO3(aq) =>
Pb(NO3)4(aq) + 2 K2Cr2O7(aq) = Pb(Cr2O7)2 + 4 KNO3(aq)
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
MnCl2 + NaOH = MnOH + NaCl2 =>
MnCl2 + NaOH = MnOH + NaCl2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
AgNO3 + CuCl2 = AgCl + Cu(NO3)2 =>
2 AgNO3 + CuCl2 = 2 AgCl + Cu(NO3)2
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
O2 + Fe = Fe2O3 =>
3 O2 + 4 Fe = 2 Fe2O3
HCl = H + Cl =>
HCl = H + Cl
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Sb2S3 + HCl = H3SbCl6 + H2S =>
Sb2S3 + 12 HCl = 2 H3SbCl6 + 3 H2S
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
K2CO3 + MgBr2 = KBr + Mg + CO3 =>
K2CO3 + MgBr2 = 2 KBr + Mg + CO3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
K + O2 = KO =>
2 K + O2 = 2 KO
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe{+3} + Cl{-} = FeCl3 =>
Fe{+3} + 3 Cl{-} = FeCl3
AgClO3 = AgCl + O2 =>
2 AgClO3 = 2 AgCl + 3 O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
C + O2 = CO =>
2 C + O2 = 2 CO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
HC2H3O2 + NaOH = H2O + NaC2H3O2 =>
HC2H3O2 + NaOH = H2O + NaC2H3O2
As2S5 + NO3{-} + H2O = AsO4{3-} + SO4{2-} + NO + H{+} =>
3 As2S5 + 40 NO3{-} + 4 H2O = 6 AsO4{3-} + 15 SO4{2-} + 40 NO + 8 H{+}
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Na2S + AgNO3 = NaNO3 + Ag2S =>
Na2S + 2 AgNO3 = 2 NaNO3 + Ag2S
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
MgSO4 + Na(PO4) = Na2SO4 + Mg(PO4)2 =>
MgSO4 + 2 Na(PO4) = Na2SO4 + Mg(PO4)2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
MnO2 + HBr = MnBr2 + H2O + Br2 =>
MnO2 + 4 HBr = MnBr2 + 2 H2O + Br2
H2SO4 + C = H2O + SO2 + CO2 =>
2 H2SO4 + C = 2 H2O + 2 SO2 + CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NO2(g) + H2O(l) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
MnCl2 + Cl2 + H2O = MnO2 + HCl =>
MnCl2 + Cl2 + 2 H2O = MnO2 + 4 HCl
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
Na2SO4 + BaCl2 = NaCl + BaSO4 =>
Na2SO4 + BaCl2 = 2 NaCl + BaSO4
HNO3 + Mg(OH)2 = Mg(NO3)2 + H2O =>
2 HNO3 + Mg(OH)2 = Mg(NO3)2 + 2 H2O
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
Mg(HCO3)2 + K2CO3 = MgCO3 + KHCO3 =>
Mg(HCO3)2 + K2CO3 = MgCO3 + 2 KHCO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/19/13
Équations équilibrées sur03/21/12
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