| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
Zn(s) + CuSO4(aq) = Zn2SO4(aq) + Cu(s) =>
2 Zn(s) + CuSO4(aq) = Zn2SO4(aq) + Cu(s)
Pb + N2 + H2O = PbO + NH3 =>
3 Pb + N2 + 3 H2O = 3 PbO + 2 NH3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
K2CrO7 + H2(SO)4 = K2(SO)4 + Cr2(SO4)3 + H2O + O2 =>
16 K2CrO7 + 22 H2(SO)4 = 16 K2(SO)4 + 8 Cr2(SO4)3 + 22 H2O + 9 O2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
Zn(s) + CuSO4(aq) = ZnSO4 + Cu =>
Zn(s) + CuSO4(aq) = ZnSO4 + Cu
H2 + Fe2O3 = Fe + H2O =>
3 H2 + Fe2O3 = 2 Fe + 3 H2O
CaCO3 + HNO3 = CaNO3 + HCO3 =>
CaCO3 + HNO3 = CaNO3 + HCO3
BaCl2 + K2CrO4 = BaCrO4 + KCl =>
BaCl2 + K2CrO4 = BaCrO4 + 2 KCl
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
BaCl2 + AgNO3 = Ba(NO3)2 + AgCl =>
BaCl2 + 2 AgNO3 = Ba(NO3)2 + 2 AgCl
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
CaCO3 + HNO3 = CaNO3 + HCO3 =>
CaCO3 + HNO3 = CaNO3 + HCO3
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
BaCl2 + MgSO4 = BaSO4 + MgCl2 =>
BaCl2 + MgSO4 = BaSO4 + MgCl2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C5H12 + O2 = CO + H2O =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
AgCO3 + HNO3 = AgNO3 + HCO3 =>
AgCO3 + HNO3 = AgNO3 + HCO3
Na2SO4 + Pb(NO3)2 = NaNO3 + PbSO4 =>
Na2SO4 + Pb(NO3)2 = 2 NaNO3 + PbSO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Bi2S3 + HCl = BiCl3 + H2S =>
Bi2S3 + 6 HCl = 2 BiCl3 + 3 H2S
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
AgOH + HNO3 = AgNO3 + H2O =>
AgOH + HNO3 = AgNO3 + H2O
(K2Cr2O7) + (H2SO4) = Cr2(SO4)3 + H2O + K2SO4 + O2 =>
2(K2Cr2O7) + 8(H2SO4) = 2 Cr2(SO4)3 + 8 H2O + 2 K2SO4 + 3 O2
PbO2 + NO + H{+} = Pb{2+} + NO3{-} + H2O =>
3 PbO2 + 2 NO + 4 H{+} = 3 Pb{2+} + 2 NO3{-} + 2 H2O
AlI3 + Cl2 = AlCl3 + I2 =>
2 AlI3 + 3 Cl2 = 2 AlCl3 + 3 I2
Fe(OH)2 + H2O + O2 = Fe(OH)3 =>
4 Fe(OH)2 + 2 H2O + O2 = 4 Fe(OH)3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Au{3+} + Cr{3+} + H2O = Au + Cr2O7{2-} + H{+} =>
2 Au{3+} + 2 Cr{3+} + 7 H2O = 2 Au + Cr2O7{2-} + 14 H{+}
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
NiCl2 + Na2CO3 = NiCO3 + Na2Cl2 =>
NiCl2 + Na2CO3 = NiCO3 + Na2Cl2
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
FeO3 + C = Fe + CO =>
FeO3 + 3 C = Fe + 3 CO
NH3 + HOCl = NCl3 + H2O =>
NH3 + 3 HOCl = NCl3 + 3 H2O
XC2H5 + O2 = XOH + CO2 + H2O =>
2 XC2H5 + 7 O2 = 2 XOH + 4 CO2 + 4 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
C6H8O7 + NaHCO3 = C6H5O7Na3 + CO2 + H2O =>
C6H8O7 + 3 NaHCO3 = C6H5O7Na3 + 3 CO2 + 3 H2O
Al2O3 + Cr = Cr2O3 + Al =>
Al2O3 + 2 Cr = Cr2O3 + 2 Al
HCl + CaC(O)3 = Ca(Cl)2 + (H2)O + C(O)2 =>
2 HCl + CaC(O)3 = Ca(Cl)2 + (H2)O + C(O)2
HNO3 + NO = NO2 + H2O =>
2 HNO3 + NO = 3 NO2 + H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
HCl + CaC(O)3 = Ca(Cl)2 + (H2)O + C(O)2 =>
2 HCl + CaC(O)3 = Ca(Cl)2 + (H2)O + C(O)2
N2 + O2 = NO =>
N2 + O2 = 2 NO
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
HCl + CaC(O)3 = Ca(Cl)2 + (H2)O + C(O)2 =>
2 HCl + CaC(O)3 = Ca(Cl)2 + (H2)O + C(O)2
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/07/12
Équations équilibrées sur02/06/11
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