| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
As2S5 + HNO3 = H3AsO4 + HHSO4 + H2O + NO2 =>
As2S5 + 40 HNO3 = 2 H3AsO4 + 5 HHSO4 + 12 H2O + 40 NO2
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(NH4)3 + PO4 + Pb(NO3)4 = Pb(PO4)4 + NH4NO3 =>
4(NH4)3 + 12 PO4 + 3 Pb(NO3)4 = 3 Pb(PO4)4 + 12 NH4NO3
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
Bi2O3 + OH{-} + OCl{-} = BiO3{-} + Cl{-} + H2O =>
Bi2O3 + 2 OH{-} + 2 OCl{-} = 2 BiO3{-} + 2 Cl{-} + H2O
Cl2 + KI = KCl + I2 =>
Cl2 + 2 KI = 2 KCl + I2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ba(OH)2 + HClO4 = Ba(ClO4)2 + H2O =>
Ba(OH)2 + 2 HClO4 = Ba(ClO4)2 + 2 H2O
N2(g) + O2(g) + H20 = HNO3(aq) =>
10 N2(g) + 30 O2(g) + H20 = 20 HNO3(aq)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
N2(g) + O2(g) + H2O = HNO3(aq) =>
2 N2(g) + 5 O2(g) + 2 H2O = 4 HNO3(aq)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
HCl + K2CrO4 = CrCl3 + KCl + Cl2 + H2O =>
16 HCl + 2 K2CrO4 = 2 CrCl3 + 4 KCl + 3 Cl2 + 8 H2O
CuO + H2O = Cu(OH)2 =>
CuO + H2O = Cu(OH)2
Mg + N2 = Mg2N2 =>
2 Mg + N2 = Mg2N2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
CH3OH = CO + H2 =>
CH3OH = CO + 2 H2
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
KIO3 + HCl = K[ICl4] + H2O + Cl2 =>
KIO3 + 6 HCl = K[ICl4] + 3 H2O + Cl2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Ag + HNO3 = NO + AgNO3 + H2O =>
3 Ag + 4 HNO3 = NO + 3 AgNO3 + 2 H2O
BaCl2 + NaNO3 = Ba(NO3)2 + NaCl =>
BaCl2 + 2 NaNO3 = Ba(NO3)2 + 2 NaCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Zn + Cu(NO3)2 = Cu + Zn(NO3)2 =>
Zn + Cu(NO3)2 = Cu + Zn(NO3)2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
CH3CH2OH + PCl3 = CH3CH2Cl + H3PO3 =>
3 CH3CH2OH + PCl3 = 3 CH3CH2Cl + H3PO3
Ra + H2SO4 = RaSO4 + H =>
Ra + H2SO4 = RaSO4 + 2 H
CaCl2 + Na2SO4 = CaSO4 + NaCl =>
CaCl2 + Na2SO4 = CaSO4 + 2 NaCl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2O + K = KOH + H2 =>
2 H2O + 2 K = 2 KOH + H2
Ca{2+} + S8 + H2O = CaS2O3 + H{+} + {-} =>
4 Ca{2+} + S8 + 12 H2O = 4 CaS2O3 + 24 H{+} + 16e
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
CO2 + H2 = CH4 + H2O =>
CO2 + 4 H2 = CH4 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/25/09
Équations équilibrées sur11/24/08
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