| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cu{2+} + e = Cu =>
Cu{2+} + 2e = Cu
Na2O + H3PO4 = Na3PO4 + H2O =>
3 Na2O + 2 H3PO4 = 2 Na3PO4 + 3 H2O
(NH4)2CO3 = NH3 + CO2 + H2O =>
(NH4)2CO3 = 2 NH3 + CO2 + H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
H2SO4 + Fe = Fe2(SO4)3 + H2 =>
3 H2SO4 + 2 Fe = Fe2(SO4)3 + 3 H2
KClO3 + S = SO2 + KCl =>
2 KClO3 + 3 S = 3 SO2 + 2 KCl
S + HCl = H2S + Cl =>
S + 2 HCl = H2S + 2 Cl
Na2SO3 + HCl = NaCl + H2SO3 =>
Na2SO3 + 2 HCl = 2 NaCl + H2SO3
Na2O + H3PO4 = Na3PO4 + H2O =>
3 Na2O + 2 H3PO4 = 2 Na3PO4 + 3 H2O
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
FeS + HCl = H2S + FeCl2 =>
FeS + 2 HCl = H2S + FeCl2
C6H5OH + Br2 = C6H2Br3OH + HBr =>
C6H5OH + 3 Br2 = C6H2Br3OH + 3 HBr
Al2O3 + C = Al + CO2 =>
2 Al2O3 + 3 C = 4 Al + 3 CO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
C2H3CI + O2 = CO2 + H2O + HCI =>
2 C2H3CI + 5 O2 = 4 CO2 + 2 H2O + 2 HCI
Na2Fe(III)DTPA*2H2O = Fe(III) + Na + DTPA + H2O =>
Na2Fe(III)DTPA*2H2O = Fe(III) + 2 Na + DTPA + 2 H2O
K2SO4 + BaO = BaSO4 + K2O =>
K2SO4 + BaO = BaSO4 + K2O
Mg(ClO3)2(s) = MgCl2(s) + O2(g) =>
Mg(ClO3)2(s) = MgCl2(s) + 3 O2(g)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HNO2 + HNO3 = NO2 + H2O =>
HNO2 + HNO3 = 2 NO2 + H2O
HNO3 + NH4OH = H2O + NH4NO3 =>
HNO3 + NH4OH = H2O + NH4NO3
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
K2SO4 + BaO = BaSO4 + K2O =>
K2SO4 + BaO = BaSO4 + K2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Al + H3Po4 = AlPo4 + H3 =>
Al + H3Po4 = AlPo4 + H3
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
NO2{-} + Ag{+} + H2O = NO3{-} + Ag0 + H{+} =>
NO2{-} + 2 Ag{+} + H2O = NO3{-} + 2 Ag0 + 2 H{+}
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na2Fe(III)DTPA*2H2O = Fe(III) + Na + DTPA + H + OH =>
Na2Fe(III)DTPA*2H2O = Fe(III) + 2 Na + DTPA + 2 H + 2 OH
C5H10O5 + Ag2O = C5H10O6 + Ag =>
C5H10O5 + Ag2O = C5H10O6 + 2 Ag
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Si + KOH = K4SiO4 + H2 =>
Si + 4 KOH = K4SiO4 + 2 H2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
KOH + Ag = AgOH + K =>
KOH + Ag = AgOH + K
Ai + NaOH + H2O = NaAi(OH)4 + H2 =>
2 Ai + 2 NaOH + 6 H2O = 2 NaAi(OH)4 + 3 H2
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
Cl2 + O2 = Cl2O7 =>
2 Cl2 + 7 O2 = 2 Cl2O7
NO2{-} + Ag{+} + H2O = NO3{-} + Ag + H{+} =>
NO2{-} + 2 Ag{+} + H2O = NO3{-} + 2 Ag + 2 H{+}
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Sn + H2O = SnOH + H2 =>
2 Sn + 2 H2O = 2 SnOH + H2
NO2{-} + Ag{+} + H2O = NO3{-} + Ag + H{+} =>
NO2{-} + 2 Ag{+} + H2O = NO3{-} + 2 Ag + 2 H{+}
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C3H5N3O9 = H2O + N + CO2 + O2 =>
4 C3H5N3O9 = 10 H2O + 12 N + 12 CO2 + O2
Ca(s) + Br2(l) = CaBr2(s) =>
Ca(s) + Br2(l) = CaBr2(s)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/03/14
Équations équilibrées sur03/05/13
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