| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KOH + H2So4 = K2So4 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C + H2SO4 = CO2 + H2O + SO2 =>
C + 2 H2SO4 = CO2 + 2 H2O + 2 SO2
Fe2O3 + KOH = KFeO2 + H2O =>
Fe2O3 + 2 KOH = 2 KFeO2 + H2O
Na + HOH = NaOH + H2 =>
2 Na + 2 HOH = 2 NaOH + H2
P4O6 + H2O = H3PO3 =>
P4O6 + 6 H2O = 4 H3PO3
Fe3O4 + HNO3 = Fe(NO3)3 + NO + H2O =>
3 Fe3O4 + 28 HNO3 = 9 Fe(NO3)3 + NO + 14 H2O
SiH4 + N2O = Si3N4 + O2 + H2 =>
3 SiH4 + 2 N2O = Si3N4 + O2 + 6 H2
CrCl3 + Fe(OH)3 = FeCl3 + Cr(OH)3 =>
CrCl3 + Fe(OH)3 = FeCl3 + Cr(OH)3
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
Al2O3 + KOH = KAlO2 + H2O =>
Al2O3 + 2 KOH = 2 KAlO2 + H2O
As2S3 + HNO3 + H2O = H3AsO4 + H2SO4 + NO =>
3 As2S3 + 28 HNO3 + 4 H2O = 6 H3AsO4 + 9 H2SO4 + 28 NO
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(No3)3 + KSCN = Fe(SCN)3 + KNo3 =>
Fe(No3)3 + 3 KSCN = Fe(SCN)3 + 3 KNo3
C4H8O + HNO3 = CO2 + H2O + NO =>
3 C4H8O + 22 HNO3 = 12 CO2 + 23 H2O + 22 NO
N2H5{+} + SO3{-} = NO3{-} + HS{-} + H{+} =>
N2H5{+} + 2 SO3{-} = 2 NO3{-} + 2 HS{-} + 3 H{+}
SnCl2 + RCNH2 + H2O = Sn6O4(OH)4 + RCNH3Cl =>
6 SnCl2 + 12 RCNH2 + 8 H2O = Sn6O4(OH)4 + 12 RCNH3Cl
NA + S = NAS =>
NA + S = NAS
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
H2S + Pb(OH)2 = PbS + H2O =>
H2S + Pb(OH)2 = PbS + 2 H2O
Na + S = NaS =>
Na + S = NaS
NH3 + Mg = Mg3N2 + H2 =>
2 NH3 + 3 Mg = Mg3N2 + 3 H2
CH2O2 + NaOH = H2O + NaCOOH =>
CH2O2 + NaOH = H2O + NaCOOH
HNO3 + Cu = Cu(NO3)2 + NO + H2O =>
8 HNO3 + 3 Cu = 3 Cu(NO3)2 + 2 NO + 4 H2O
PbCO3(s) = PbO(s) + CO2(g) =>
PbCO3(s) = PbO(s) + CO2(g)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
C2H4(g) + O2 = C + H2O =>
C2H4(g) + O2 = 2 C + 2 H2O
Al2O3 + Ba(OH)2 = Ba(AlO2)2 + H2O =>
Al2O3 + Ba(OH)2 = Ba(AlO2)2 + H2O
Mg + TiCl4 = MgCl2 + Ti =>
2 Mg + TiCl4 = 2 MgCl2 + Ti
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
KIO3 + KI + HCl = I2 + KCl + H2O =>
KIO3 + 5 KI + 6 HCl = 3 I2 + 6 KCl + 3 H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 7 H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
Cr(OH)3 + Na(OH) = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 Na(OH) = Na3[Cr(OH)6]
C12H22O11 + H2O = C2H6O + CO2 =>
C12H22O11 + H2O = 4 C2H6O + 4 CO2
KI + H2SO4 + H2O2 = I2 + K2SO4 + H2O =>
2 KI + H2SO4 + H2O2 = I2 + K2SO4 + 2 H2O
MoS2 + O2 = MoO3 + SO2 =>
2 MoS2 + 7 O2 = 2 MoO3 + 4 SO2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
FeCl3 + MgO = Fe2O3 + MgCl2 =>
2 FeCl3 + 3 MgO = Fe2O3 + 3 MgCl2
H3AsO3 + Zn + H{+} = AsH3 + Zn{+2} + H2O =>
H3AsO3 + 3 Zn + 6 H{+} = AsH3 + 3 Zn{+2} + 3 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
SO2 + MnO = MnSO3 =>
SO2 + MnO = MnSO3
FeO + H2O = Fe3O4 + H2 =>
3 FeO + H2O = Fe3O4 + H2
Cu(s) + O2(g) = Cu2O(s) =>
4 Cu(s) + O2(g) = 2 Cu2O(s)
FeCO3 + H2CO3 = Fe(HCO3)2 =>
FeCO3 + H2CO3 = Fe(HCO3)2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/12/15
Équations équilibrées sur09/11/14
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