| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH4 + CH2O = C2H5OH
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Ca + HNO3 = Ca(NO3)2 + H2O + NO =>
3 Ca + 8 HNO3 = 3 Ca(NO3)2 + 4 H2O + 2 NO
Al + HNO3 = Al(NO3)3 + H2O + NO =>
Al + 4 HNO3 = Al(NO3)3 + 2 H2O + NO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuS + O2 = CuO + SO2 =>
2 CuS + 3 O2 = 2 CuO + 2 SO2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
HCl + MnO2 = MnCl2 + H2O + Cl2 =>
4 HCl + MnO2 = MnCl2 + 2 H2O + Cl2
Cr2O7{2-} + H2SO3 + H3O{+} = Cr{3+} + HSO4{-} + H2O =>
Cr2O7{2-} + 3 H2SO3 + 5 H3O{+} = 2 Cr{3+} + 3 HSO4{-} + 9 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Mn(OH)2 + H3AsO4 = Mn3(AsO4)2 + H2O =>
3 Mn(OH)2 + 2 H3AsO4 = Mn3(AsO4)2 + 6 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
C + HCl3 = CHCl3 =>
C + HCl3 = CHCl3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
MnO4{-} + I{-} + H3O{+} = Mn2{+} + I2 + H2O =>
4 MnO4{-} + 26 I{-} + 32 H3O{+} = 2 Mn2{+} + 13 I2 + 48 H2O
MnO4{-} + I{-} + H3O{+} = Mn{2+} + I2 + H2O =>
2 MnO4{-} + 10 I{-} + 16 H3O{+} = 2 Mn{2+} + 5 I2 + 24 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
NaCN + HCl = HCN + NaCl =>
NaCN + HCl = HCN + NaCl
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
H3AsO3 + Zn + H3O{+} = AsH3 + Zn2{+} + H2O =>
H3AsO3 + 12 Zn + 6 H3O{+} = AsH3 + 6 Zn2{+} + 9 H2O
Na + O = NaO2 =>
Na + 2 O = NaO2
H3AsO3 + Zn + H3O{+} = AsH3 + Zn{2+} + H2O =>
H3AsO3 + 3 Zn + 6 H3O{+} = AsH3 + 3 Zn{2+} + 9 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
K2CO3 + HOH = KHCO3 + KOH =>
K2CO3 + HOH = KHCO3 + KOH
FeS2 + HNO3 = Fe(NO3)3 + H2O + H2SO4 + NO2 =>
FeS2 + 18 HNO3 = Fe(NO3)3 + 7 H2O + 2 H2SO4 + 15 NO2
(CH3COO)2Mn*4H2O + La2O3 + O2 = LaMnO3 + CO2 + H2O =>
4(CH3COO)2Mn*4H2O + 2 La2O3 + 17 O2 = 4 LaMnO3 + 16 CO2 + 28 H2O
H2O2 + Fe{2+} + H3O{+} = Fe{3+} + H2O =>
H2O2 + 2 Fe{2+} + 2 H3O{+} = 2 Fe{3+} + 4 H2O
K2CO3 + H2SO4 = K2SO4 + CO2 + H2O =>
K2CO3 + H2SO4 = K2SO4 + CO2 + H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
KClO3 + H2SO4 = KHSO4 + HClO4 + ClO2 + H2O =>
3 KClO3 + 3 H2SO4 = 3 KHSO4 + HClO4 + 2 ClO2 + H2O
H5IO6 + I2 = IO3 + H3O =>
9 H5IO6 + 2 I2 = 13 IO3 + 15 H3O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Sb2S3 + O2 = Sb4O6 + SO2 =>
2 Sb2S3 + 9 O2 = Sb4O6 + 6 SO2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Zn(NO3)2 + K2CO3 = ZnCO3 + KNO3 =>
Zn(NO3)2 + K2CO3 = ZnCO3 + 2 KNO3
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na2SO3 = Na2SO4 + Na2S =>
4 Na2SO3 = 3 Na2SO4 + Na2S
FeS + HNO3 = Fe(NO3)3 + H2SO4 + NO + H20 =>
20 FeS + 100 HNO3 = 20 Fe(NO3)3 + 20 H2SO4 + 40 NO + 3 H20
Na2S2O3 + HCl = NaCl + S + SO2 + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + S + SO2 + H2O
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
CuSO4(aq) + Fe(s) = Fe2(SO4)3(aq) + Cu(s) =>
3 CuSO4(aq) + 2 Fe(s) = Fe2(SO4)3(aq) + 3 Cu(s)
Na2CO3 + H2O = NaOH + H2CO3 =>
Na2CO3 + 2 H2O = 2 NaOH + H2CO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H2S + SO4 = S + H2O =>
4 H2S + SO4 = 5 S + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/03/12
Équations équilibrées sur01/02/12
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