| Équations équilibrées la veille | Équations équilibrées le lendemain |
(NH4)2BeF4 = BeF2 + 2 NH3 + 2 HF
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
C6H4O2 + H2O = C6H6O2 + O2 =>
2 C6H4O2 + 2 H2O = 2 C6H6O2 + O2
I2 + KBr = Br2 + KI =>
I2 + 2 KBr = Br2 + 2 KI
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Sn(OH)2 + NaOH = Na2SnO2 + H2O =>
Sn(OH)2 + 2 NaOH = Na2SnO2 + 2 H2O
MnO4{-} + (COOH)2 + H{+} = Mn2 + CO2 + H2O =>
2 MnO4{-} + 7(COOH)2 + 2 H{+} = Mn2 + 14 CO2 + 8 H2O
NH4VO3 = V2O5 + NH3 + H2O =>
2 NH4VO3 = V2O5 + 2 NH3 + H2O
Cl2 + C2H2 = C + HCl =>
Cl2 + C2H2 = 2 C + 2 HCl
Na2SO3 + NaMnO4 + H2O = MnO2 + NaOH + Na2SO4 =>
3 Na2SO3 + 2 NaMnO4 + H2O = 2 MnO2 + 2 NaOH + 3 Na2SO4
H3AsO3 = As2O3 + H2O =>
2 H3AsO3 = As2O3 + 3 H2O
Mg(OH)2 + AgBr = MgBr + Ag(OH)2 =>
Mg(OH)2 + AgBr = MgBr + Ag(OH)2
MnO4{-} + (COOH)2 + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5(COOH)2 + 6 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Cl2 + C10H6 = C + HCl =>
3 Cl2 + C10H6 = 10 C + 6 HCl
Al(s) + CuO(s) = Al2O3(s) + Cu(l) =>
2 Al(s) + 3 CuO(s) = Al2O3(s) + 3 Cu(l)
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Mg(OH)2 + AgBr = MgBr + Ag(OH)2 =>
Mg(OH)2 + AgBr = MgBr + Ag(OH)2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Mg(OH)2 + AgBr = MgBr2 + Ag(OH) =>
Mg(OH)2 + 2 AgBr = MgBr2 + 2 Ag(OH)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cl2 + Sb = SbCl3 =>
3 Cl2 + 2 Sb = 2 SbCl3
As2O5 + H2O = H3AsO4 =>
As2O5 + 3 H2O = 2 H3AsO4
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
ZnCl2 + AgNO3 = AgCl + Zn(NO3)2 =>
ZnCl2 + 2 AgNO3 = 2 AgCl + Zn(NO3)2
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
N2O4 + KI = KNO3 + NO + I2 =>
2 N2O4 + 2 KI = 2 KNO3 + 2 NO + I2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
NH3 + Na = Na2NH2 + H2 =>
2 NH3 + 4 Na = 2 Na2NH2 + H2
HCl + K2Cr2O7 = Cl2 + KCl + CrCl3 + H2O =>
14 HCl + K2Cr2O7 = 3 Cl2 + 2 KCl + 2 CrCl3 + 7 H2O
AlF3 + BaSO4 = Al2(SO4)3 + BaF2 =>
2 AlF3 + 3 BaSO4 = Al2(SO4)3 + 3 BaF2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Zn + Pb(NO3)2 = Pb + Zn(NO3)2 =>
Zn + Pb(NO3)2 = Pb + Zn(NO3)2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CuCO3 + NH3 = (Cu(NH3)4){2+} + CO3{2-} =>
CuCO3 + 4 NH3 = (Cu(NH3)4){2+} + CO3{2-}
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na2S2O3 + I2 = NaI + Na2S4O6 =>
2 Na2S2O3 + I2 = 2 NaI + Na2S4O6
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KOH + H2SO4 = KHSO4 + H2O =>
KOH + H2SO4 = KHSO4 + H2O
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
NiS + O2 = NiO + SO2 =>
2 NiS + 3 O2 = 2 NiO + 2 SO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/05/11
Équations équilibrées sur01/04/11
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