| Équations équilibrées la veille | Équations équilibrées le lendemain |
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na + HNO3 = NaNO3 + H2 =>
2 Na + 2 HNO3 = 2 NaNO3 + H2
NH3 + H2O = NH4 + OH =>
NH3 + H2O = NH4 + OH
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
CuSO4 + Pb(NO3)2 = Cu(NO3)2 + PbSO4 =>
CuSO4 + Pb(NO3)2 = Cu(NO3)2 + PbSO4
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KO2 + CO2 = K2CO3 + O2 =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HCl + Na3PO4 = H3PO4 + NaCl =>
3 HCl + Na3PO4 = H3PO4 + 3 NaCl
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cr2O7{2-} + H{+} + SO3{2-} = SO4{2-} + Cr{3+} + H2O =>
Cr2O7{2-} + 8 H{+} + 3 SO3{2-} = 3 SO4{2-} + 2 Cr{3+} + 4 H2O
C2H8O3 + O2 = CO + H2O =>
2 C2H8O3 + 3 O2 = 4 CO + 8 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C3H8O3 + O2 = CO + H2O =>
C3H8O3 + 2 O2 = 3 CO + 4 H2O
H2SO4(aq) + CaCO3(s) = CaSO4 + H2O + CO2(g) =>
H2SO4(aq) + CaCO3(s) = CaSO4 + H2O + CO2(g)
C2H2 + Br2 + NaOH = NaBr + CO + H2 =>
C2H2 + Br2 + 2 NaOH = 2 NaBr + 2 CO + 2 H2
C2H2 + Br2 + NaOH = NaBr + CO2 + H2 =>
C2H2 + 2 Br2 + 4 NaOH = 4 NaBr + 2 CO2 + 3 H2
C2H2 + Br2 + NaOH = NaBr + CO2 + H2O =>
C2H2 + 5 Br2 + 10 NaOH = 10 NaBr + 2 CO2 + 6 H2O
Ag + S = Ag2S =>
2 Ag + S = Ag2S
C2H2 + Br2 + NaOH = NaBr + CO + H2O =>
C2H2 + 3 Br2 + 6 NaOH = 6 NaBr + 2 CO + 4 H2O
PH3 + O2 = H20 + P2O15 =>
20 PH3 + 75 O2 = 3 H20 + 10 P2O15
PH3 + O2 = H20 + P2O5 =>
20 PH3 + 25 O2 = 3 H20 + 10 P2O5
Al + H2SO4 = Al2(SO4)3 + H =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 6 H
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
SeCl5 + O2 = SeO2 + Cl2 =>
2 SeCl5 + 2 O2 = 2 SeO2 + 5 Cl2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeCl3 + NaOH = NaCl + Fe(OH)3 =>
FeCl3 + 3 NaOH = 3 NaCl + Fe(OH)3
Br2 + Na2SO3 + H2O = HBr + Na2SO4 =>
Br2 + Na2SO3 + H2O = 2 HBr + Na2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb + Na + C2H5Cl = Pb(C2H5)4 + NaCl =>
Pb + 4 Na + 4 C2H5Cl = Pb(C2H5)4 + 4 NaCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
NH3 + H2NO3 = NH4NO3 + H2 =>
2 NH3 + 2 H2NO3 = 2 NH4NO3 + H2
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
HNO3 + Bi(NO3)35H2O = Bi(NO3) + H(NO3)3 + H2O =>
17 HNO3 + Bi(NO3)35H2O = Bi(NO3) + 17 H(NO3)3 + H2O
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
K2S + KNO3 + H2O = S + KNO2 + KOH =>
K2S + KNO3 + H2O = S + KNO2 + 2 KOH
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Zn + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn + 2 NaOH + 2 H2O = Na2Zn(OH)4 + H2
PbO2 + Na3CrO3 + NaOH = Na2CrO4 + NaPbO2 + H2O =>
3 PbO2 + Na3CrO3 + 2 NaOH = Na2CrO4 + 3 NaPbO2 + H2O
FeCl2 + O2 + HCl = FeCl3 + H2O =>
4 FeCl2 + O2 + 4 HCl = 4 FeCl3 + 2 H2O
NH4NO3 + NaOH = NaNO3 + NH3 + H2O =>
NH4NO3 + NaOH = NaNO3 + NH3 + H2O
CO + Br2 + NaOH = Na + CO2 + HBr =>
2 CO + Br2 + 2 NaOH = 2 Na + 2 CO2 + 2 HBr
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/01/13
Équations équilibrées sur03/03/12
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