| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(aq) + H2O =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(aq) + 2 H2O
KO2 + CO2 = K2CO3 + O2 =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
H2O + Li = LiOH + H2 =>
2 H2O + 2 Li = 2 LiOH + H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
Na2CO3 + H2SO4 = Na2SO4 + H2CO3 =>
Na2CO3 + H2SO4 = Na2SO4 + H2CO3
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Ca(OH)2(s) + HCl(aq) = CaCl2(aq) + HOH =>
Ca(OH)2(s) + 2 HCl(aq) = CaCl2(aq) + 2 HOH
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
NaOH + H2SO4 = H2O + Na2SO4 =>
2 NaOH + H2SO4 = 2 H2O + Na2SO4
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
Zn + CrCi3 = Cr + ZnCi2 =>
3 Zn + 2 CrCi3 = 2 Cr + 3 ZnCi2
Na2 + (CrO4)2 + Ga(OH)3 = NaOH + Ga(CrO4)3 =>
3 Na2 + 3(CrO4)2 + 2 Ga(OH)3 = 6 NaOH + 2 Ga(CrO4)3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C2H3Cl + O2 = CO2 + H2O + HCl =>
2 C2H3Cl + 5 O2 = 4 CO2 + 2 H2O + 2 HCl
Mg(NO3)2 + H2SO4 = MgSO4 + HNO3 =>
Mg(NO3)2 + H2SO4 = MgSO4 + 2 HNO3
Na2(CrO4)2 + Ga(OH)3 = NaOH + Ga(CrO4)3 =>
3 Na2(CrO4)2 + 2 Ga(OH)3 = 6 NaOH + 2 Ga(CrO4)3
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
Fe2(CO3)3 = Fe2O3 + CO2 =>
Fe2(CO3)3 = Fe2O3 + 3 CO2
Ba(NO3)2 + K2SO4 = BaSO4 + KNO3 =>
Ba(NO3)2 + K2SO4 = BaSO4 + 2 KNO3
K2Cr2O7 + H2C2O4 + H{+} = Cr{3+} + CO2 + H2O + K{+} =>
K2Cr2O7 + 3 H2C2O4 + 8 H{+} = 2 Cr{3+} + 6 CO2 + 7 H2O + 2 K{+}
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ba(NO3)2 + Na2CO3 = BaCO3 + NaNO3 =>
Ba(NO3)2 + Na2CO3 = BaCO3 + 2 NaNO3
CaCN2 + H2O = CaCO3 + NH3 =>
CaCN2 + 3 H2O = CaCO3 + 2 NH3
SrCl2 + H2SO4 = SrSO4 + HCl =>
SrCl2 + H2SO4 = SrSO4 + 2 HCl
Cl2(g) + NaBr(aq) = Br2 + NaCl =>
Cl2(g) + 2 NaBr(aq) = Br2 + 2 NaCl
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
U + F2 = UF6 =>
U + 3 F2 = UF6
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Al + NH4ClO4 = Al2O3 + AlCl3 + NO + H2O =>
3 Al + 3 NH4ClO4 = Al2O3 + AlCl3 + 3 NO + 6 H2O
Ba(NO3)2 + Na2CO3 = BaCO3 + NaNO3 =>
Ba(NO3)2 + Na2CO3 = BaCO3 + 2 NaNO3
Al + H2SO4 = Al2(SO4)3 + H =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 6 H
Mg(NO3)2 + Na2CO3 = MgCO3 + NaNO3 =>
Mg(NO3)2 + Na2CO3 = MgCO3 + 2 NaNO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
AgNO3 + K2SO4 = Ag2SO4 + KNO3 =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 KNO3
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/30/09
Équations équilibrées sur11/29/08
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