| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
ZnSO4 + NaF = ZnF2 + Na2SO4 =>
ZnSO4 + 2 NaF = ZnF2 + Na2SO4
HBr + (NH4)2S = H2S + NH4Br =>
2 HBr + (NH4)2S = H2S + 2 NH4Br
C2H4O + O2 = CO2 + H2O =>
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
Ca(OH)2 + HBr = H2O + Ca + Br =>
Ca(OH)2 + 2 HBr = 2 H2O + Ca + 2 Br
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Sn(CO3)2 + H2S = SnS2 + CO2 + H2O =>
Sn(CO3)2 + 2 H2S = SnS2 + 2 CO2 + 2 H2O
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
K2SO4(aq) + BaCl2(aq) = BaSO4(s) + KCl(aq) =>
K2SO4(aq) + BaCl2(aq) = BaSO4(s) + 2 KCl(aq)
PbCl2 + KNO3 = Pb(NO3)2 + KCl =>
PbCl2 + 2 KNO3 = Pb(NO3)2 + 2 KCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
K2SO4(aq) + BaCl2(aq) = BaSO4(s) + KCl(aq) =>
K2SO4(aq) + BaCl2(aq) = BaSO4(s) + 2 KCl(aq)
MgSiO3 + CuI2 = MgI2 + CuSiO3 =>
MgSiO3 + CuI2 = MgI2 + CuSiO3
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Fe(s) + Cu(NO3)2(aq) = Fe(NO3)3(aq) + Cu(s) =>
2 Fe(s) + 3 Cu(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Cu(s)
Sn(CO3)2 + H2S = SnS2 + H2CO3 =>
Sn(CO3)2 + 2 H2S = SnS2 + 2 H2CO3
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
NH4ClO4 + Ca(OH)2 = NH4OH + Ca(ClO4)2 =>
2 NH4ClO4 + Ca(OH)2 = 2 NH4OH + Ca(ClO4)2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
MoO3 + NH3 + H2O = (NH4)2Mo2O7 =>
2 MoO3 + 2 NH3 + H2O = (NH4)2Mo2O7
FeO3(s) = Fe(s) + O2(g) =>
2 FeO3(s) = 2 Fe(s) + 3 O2(g)
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CO2 + KOH = K2CO3 + H2O =>
CO2 + 2 KOH = K2CO3 + H2O
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Zn(OH)2 = ZnO + H2O =>
Zn(OH)2 = ZnO + H2O
Pb(OH)4 + H3PO4 = Pb3(PO4)4 + H2O =>
3 Pb(OH)4 + 4 H3PO4 = Pb3(PO4)4 + 12 H2O
PbO2 + HCl = PbCl2 + Cl2 + H2O =>
PbO2 + 4 HCl = PbCl2 + Cl2 + 2 H2O
HCl + Al(OH)3 = AlCl3 + H2O =>
3 HCl + Al(OH)3 = AlCl3 + 3 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
NO2 + NaOH + B = NaNO2 + Na3BO3 + H2O =>
3 NO2 + 6 NaOH + B = 3 NaNO2 + Na3BO3 + 3 H2O
NaClO3 + C = NaCl + CO2 =>
2 NaClO3 + 3 C = 2 NaCl + 3 CO2
C3H8O3 + Na = C3H6O3Na + H2 =>
C3H8O3 + Na = C3H6O3Na + H2
Cr2O7{2-} + H{+} + e = Cr{3+} + H2O =>
Cr2O7{2-} + 14 H{+} + 6e = 2 Cr{3+} + 7 H2O
AgNO3 + H2O = Ag2O + HNO3 =>
2 AgNO3 + H2O = Ag2O + 2 HNO3
NaClO3 + HCl = NaOH + Cl2 + O2 =>
NaClO3 + HCl = NaOH + Cl2 + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NH4NO2 + O2 = N2O + H2O =>
2 NH4NO2 + O2 = 2 N2O + 4 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cr(SO4) + (NH4)2CO3 = CrCO3 + (NH4)2(SO4) =>
Cr(SO4) + (NH4)2CO3 = CrCO3 + (NH4)2(SO4)
Na + H3PO4 = Na3PO4 + H2 =>
6 Na + 2 H3PO4 = 2 Na3PO4 + 3 H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/16/23
Équations équilibrées sur12/16/22
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