| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(NO3)2 + K2CO3 = PbCO3 + 2 KNO3
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
CuFeS2 + O2 = Cu2S + SO2 + Fe2O3 =>
4 CuFeS2 + 9 O2 = 2 Cu2S + 6 SO2 + 2 Fe2O3
KOH(aq) + H2SO4(ag) = K2SO4(aq) + H2O(l) =>
2 KOH(aq) + H2SO4(ag) = K2SO4(aq) + 2 H2O(l)
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
P2O3 + HNO3 + H2O = NO + H3PO4 =>
3 P2O3 + 4 HNO3 + 7 H2O = 4 NO + 6 H3PO4
Fe + HCl = FeCl + H =>
Fe + HCl = FeCl + H
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
SO3 + Ag2O = AgS + O4 =>
8 SO3 + 4 Ag2O = 8 AgS + 7 O4
C3H8 + O2 = H2O + CO2 =>
C3H8 + 5 O2 = 4 H2O + 3 CO2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
N2Cl4 + CH4 = CCl4 + N2 + H2 =>
N2Cl4 + CH4 = CCl4 + N2 + 2 H2
Sb + O2 = Sb2O5 =>
4 Sb + 5 O2 = 2 Sb2O5
Mg3N2 + H2SO4 = MgSO4 + (NH4)2SO4 =>
Mg3N2 + 4 H2SO4 = 3 MgSO4 + (NH4)2SO4
C2H6 + O2 = CO2 + H20 =>
10 C2H6 + 20 O2 = 20 CO2 + 3 H20
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Pb + HCl = PbCl + H =>
Pb + HCl = PbCl + H
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Sr + P4 = Sr3P2 =>
6 Sr + P4 = 2 Sr3P2
Fe(s) + H2O(g) = FeO(s) + H2(g) =>
Fe(s) + H2O(g) = FeO(s) + H2(g)
Na + H2CO3 = NaHCO3 + H2 =>
2 Na + 2 H2CO3 = 2 NaHCO3 + H2
P4 + NaOH + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
C + ZnO = Zn + CO2 =>
C + 2 ZnO = 2 Zn + CO2
Cr(OH)3 + HCl = CrCl3 + H2O =>
Cr(OH)3 + 3 HCl = CrCl3 + 3 H2O
S + O2 = SO2 =>
S + O2 = SO2
K4Fe(CN)6 + H2SO4 + KMnO4 = MnSO4 + Fe2(SO4)3 + K2SO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 218 H2SO4 + 122 KMnO4 = 122 MnSO4 + 5 Fe2(SO4)3 + 81 K2SO4 + 60 HNO3 + 60 CO2 + 188 H2O
C2H6 + O2 = CO2 + H20 =>
10 C2H6 + 20 O2 = 20 CO2 + 3 H20
Al + HCl = AlCl3 + H =>
Al + 3 HCl = AlCl3 + 3 H
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NH4(NO3) = N2O + H2O =>
NH4(NO3) = N2O + 2 H2O
HNO3 + HI = NO2 + I2 + H2O =>
2 HNO3 + 2 HI = 2 NO2 + I2 + 2 H2O
Na + C3H7Cl = NaCl + C6H14 =>
2 Na + 2 C3H7Cl = 2 NaCl + C6H14
FeBr2 + K2S = FeS + KBr =>
FeBr2 + K2S = FeS + 2 KBr
KNO2 + K2Cr2O7 + HNO3 = KNO3 + Cr(NO3)3 + H2O =>
3 KNO2 + K2Cr2O7 + 8 HNO3 = 5 KNO3 + 2 Cr(NO3)3 + 4 H2O
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
Cl2O5 + Fe2O3 = FeCl2 + O =>
2 Cl2O5 + Fe2O3 = 2 FeCl2 + 13 O
AlBr3(aq) + AgNO3(aq) = Al(NO3)3 + AgBr =>
AlBr3(aq) + 3 AgNO3(aq) = Al(NO3)3 + 3 AgBr
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
NO3 + H = N2O + H2O =>
2 NO3 + 10 H = N2O + 5 H2O
BiOBr + HNO3 = HBiO3 + NO + HBrO4 + H2O =>
3 BiOBr + 10 HNO3 = 3 HBiO3 + 10 NO + 3 HBrO4 + 2 H2O
C2H6 + O2 = CO2 + H20 =>
10 C2H6 + 20 O2 = 20 CO2 + 3 H20
NH3 + CO2 = CN2H4O + H2O =>
2 NH3 + CO2 = CN2H4O + H2O
CaO + P4O10 = Ca3(PO4)2 =>
6 CaO + P4O10 = 2 Ca3(PO4)2
C4H10Br + AgNO3 + C2H6O = C6H15O + AgBr + HNO3 =>
C4H10Br + AgNO3 + C2H6O = C6H15O + AgBr + HNO3
K2CO3 + ZnBr2 = ZnCO3 + KBr =>
K2CO3 + ZnBr2 = ZnCO3 + 2 KBr
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
NaCIO3 = NaCI + O2 =>
2 NaCIO3 = 2 NaCI + 3 O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/24/13
Équations équilibrées sur02/23/12
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