| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SiO3 + 2 NaOH = Na2SiO3 + 2 H2O
NaOH + H2SO4 = H2O + Na2SO4 =>
2 NaOH + H2SO4 = 2 H2O + Na2SO4
MgCl2 + HNO3 = Mg(NO3)2 + HCl =>
MgCl2 + 2 HNO3 = Mg(NO3)2 + 2 HCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Fe + HNO3 = Fe(NO3)2 + NH4NO3 + H2O =>
4 Fe + 10 HNO3 = 4 Fe(NO3)2 + NH4NO3 + 3 H2O
C7H14 + O2 = CO + H2 =>
2 C7H14 + 7 O2 = 14 CO + 14 H2
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
MgCl2 + HNO3(aq) = Mg(NO3)2 + HCl =>
MgCl2 + 2 HNO3(aq) = Mg(NO3)2 + 2 HCl
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Na3AlO3 + CO2 + H2O = Al(OH)3 + Na2CO3 =>
2 Na3AlO3 + 3 CO2 + 3 H2O = 2 Al(OH)3 + 3 Na2CO3
H2O = H + O =>
H2O = 2 H + O
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
SO4 + H = H2SO4 =>
SO4 + 2 H = H2SO4
C6O6Cr + Cl2 = CrCl3 + CO =>
2 C6O6Cr + 3 Cl2 = 2 CrCl3 + 12 CO
Cr2O7{2-} + Fe{2+} + H{+} = Cr{2+} + Fe{3+} + H2O =>
Cr2O7{2-} + 8 Fe{2+} + 14 H{+} = 2 Cr{2+} + 8 Fe{3+} + 7 H2O
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H3PO4 + C = P4 + CO + H2O =>
4 H3PO4 + 10 C = P4 + 10 CO + 6 H2O
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
Cr2O7{2-} + I{-} + H{+} = Cr{2+} + I2 + H2O =>
Cr2O7{2-} + 8 I{-} + 14 H{+} = 2 Cr{2+} + 4 I2 + 7 H2O
Na2HPO4 = Na4P2O7 + H2O =>
2 Na2HPO4 = Na4P2O7 + H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
NH3 + CuCl2 = Cu(NH3)4 + Cl =>
4 NH3 + CuCl2 = Cu(NH3)4 + 2 Cl
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
K2C2O4 + CaCl2 = KCl + CaC2O4 =>
K2C2O4 + CaCl2 = 2 KCl + CaC2O4
NaClO3(s) = NaCl(s) + O2(g) =>
2 NaClO3(s) = 2 NaCl(s) + 3 O2(g)
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
HAsO3 = As2O5 + H2O =>
2 HAsO3 = As2O5 + H2O
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
N2H4 + NO = N2 + H2O =>
N2H4 + 2 NO = 2 N2 + 2 H2O
C6H8O6 + I2 = C6H6O6 + H{+} + I{-} =>
C6H8O6 + I2 = C6H6O6 + 2 H{+} + 2 I{-}
K + N = K3N =>
3 K + N = K3N
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
HIO3 = I2O5 + H2O =>
2 HIO3 = I2O5 + H2O
Cr2O7{2-} + SO3{2-} + H{+} = Cr{2+} + SO4{2-} + H2O =>
Cr2O7{2-} + 4 SO3{2-} + 6 H{+} = 2 Cr{2+} + 4 SO4{2-} + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/09/13
Équations équilibrées sur04/08/12
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