| Équations équilibrées la veille |
Si + 2 KOH = K2SiO2 + H2
N2H4 + SnCl2 + HCl = SnCl4 + NH4Cl =>
N2H4 + SnCl2 + 4 HCl = SnCl4 + 2 NH4Cl
Li2O + NaOH = LiOH + Na2O =>
Li2O + 2 NaOH = 2 LiOH + Na2O
Ag(NO3) + (NH4)2S = Ag2S + (NH4)(NO3) =>
2 Ag(NO3) + (NH4)2S = Ag2S + 2(NH4)(NO3)
K2FeO4 + H2O + H2CO = K2CO3 + Fe(OH)3 + KOH =>
4 K2FeO4 + 4 H2O + 3 H2CO = 3 K2CO3 + 4 Fe(OH)3 + 2 KOH
NiSO4 + Ca(OH)2 = CaSO4 + Ni(OH)2 =>
NiSO4 + Ca(OH)2 = CaSO4 + Ni(OH)2
CuCl2(aq) + Al2(CO3)3(aq) = CuCO3(s) + AlCl3(aq) =>
3 CuCl2(aq) + Al2(CO3)3(aq) = 3 CuCO3(s) + 2 AlCl3(aq)
CuSO4H5 + O2 = CuSO4 + H2O =>
4 CuSO4H5 + 5 O2 = 4 CuSO4 + 10 H2O
HCl + Na2SO4 = NaCl + H2SO4 =>
2 HCl + Na2SO4 = 2 NaCl + H2SO4
C11H12N2O2 + O2 = NH4 + CO2 + H2O =>
C11H12N2O2 + 11 O2 = 2 NH4 + 11 CO2 + 2 H2O
CH3COONa + H2CO3 = CH3COOH + Na2CO3 =>
2 CH3COONa + H2CO3 = 2 CH3COOH + Na2CO3
K2CO3 + H2S = K2S + CO3 + H2 =>
K2CO3 + H2S = K2S + CO3 + H2
Al2(SO4)3 + MgCl2 = MgSO4 + AlCl3 =>
Al2(SO4)3 + 3 MgCl2 = 3 MgSO4 + 2 AlCl3
N2H4 + SnCl2 + HCl = SnCl4 + NH4Cl =>
N2H4 + SnCl2 + 4 HCl = SnCl4 + 2 NH4Cl
HgO + Ni = NiO + Hg =>
HgO + Ni = NiO + Hg
Cr(OH)3 + H3BO3 = H2O + CrBO3 =>
Cr(OH)3 + H3BO3 = 3 H2O + CrBO3
KNO3 + Al + HCl = AlCl3 + NO2 + KCl + H2O =>
3 KNO3 + Al + 6 HCl = AlCl3 + 3 NO2 + 3 KCl + 3 H2O
Cu(s) + HNO3(l) = Cu(NO3)2(l) + NO2(l) + H2O(l) =>
Cu(s) + 4 HNO3(l) = Cu(NO3)2(l) + 2 NO2(l) + 2 H2O(l)
TiOSO4 + HCl = TiCl4 + H2SO4H2O =>
TiOSO4 + 4 HCl = TiCl4 + H2SO4H2O
KI + Ca(ClO) + HCl = I2 + CaCl2 + KCl + H2O =>
2 KI + 2 Ca(ClO) + 4 HCl = I2 + 2 CaCl2 + 2 KCl + 2 H2O
P + H2O = HPO3{2-} + H{+} + {-} =>
P + 3 H2O = HPO3{2-} + 5 H{+} + 3e
Sn + HCl = Sn2Cl + H =>
2 Sn + HCl = Sn2Cl + H
KMnO4 + NH3 = KNO3 + MnO2 + KHO + H2O =>
8 KMnO4 + 3 NH3 = 3 KNO3 + 8 MnO2 + 5 KHO + 2 H2O
HF + Ca = Ca2F + H2 =>
2 HF + 4 Ca = 2 Ca2F + H2
Sn(OH)2 = Sn + (OH)2 =>
Sn(OH)2 = Sn + (OH)2
H2SO4 + Mn{+} = H{+} + Mn2SO4 =>
H2SO4 + 2 Mn{+} = 2 H{+} + Mn2SO4
(NH4)2SO4 + CaNO3 = NH4NO3 + Ca2SO4 =>
(NH4)2SO4 + 2 CaNO3 = 2 NH4NO3 + Ca2SO4
K4[Fe(CN)6] + Na3[Co(NO2)6] = K3[Co(NO2)6] + Na4[Fe(CN)6] =>
3 K4[Fe(CN)6] + 4 Na3[Co(NO2)6] = 4 K3[Co(NO2)6] + 3 Na4[Fe(CN)6]
K2SO4 + NaNO3 = SO4Na2 + KNO3 =>
K2SO4 + 2 NaNO3 = SO4Na2 + 2 KNO3
Cl3Fe + Na3PO4 = Cl3PO4 + Na3Fe =>
Cl3Fe + Na3PO4 = Cl3PO4 + Na3Fe
NaClO + H = Na + Cl2 + H2O =>
2 NaClO + 4 H = 2 Na + Cl2 + 2 H2O
SiO3 + H2O = (SiO3)3H2O =>
3 SiO3 + H2O = (SiO3)3H2O
PH3 + I2 + H2O = HPO2 + HI =>
PH3 + 3 I2 + 2 H2O = HPO2 + 6 HI
NaCl + (NH4)2SO4 + MgSO4 + Na5P3O10 + H2O = NH4MgPO4*6H2O + Na2SO4 + HCl =>
8 NaCl + 3(NH4)2SO4 + 6 MgSO4 + 2 Na5P3O10 + 40 H2O = 6 NH4MgPO4*6H2O + 9 Na2SO4 + 8 HCl
NaNO2 + Na2S + H2SO4 = Na2SO4 + NO + H2O =>
8 NaNO2 + Na2S + 4 H2SO4 = 5 Na2SO4 + 8 NO + 4 H2O
Br2 + SO3{2-} + H2O = Br{-} + SO4{2-} + H3O{+} =>
Br2 + SO3{2-} + 3 H2O = 2 Br{-} + SO4{2-} + 2 H3O{+}
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
FeCl3 + H2O = FeO(OH) + HCl =>
FeCl3 + 2 H2O = FeO(OH) + 3 HCl
NaOH + MgSO4 = MgNaHSO5 =>
NaOH + MgSO4 = MgNaHSO5
NaI + Cl2 = Na2Cl + I2 =>
4 NaI + Cl2 = 2 Na2Cl + 2 I2
CrCl3*6H2O + NaOH = Cr(OH)3 + NaCl + H2O =>
CrCl3*6H2O + 3 NaOH = Cr(OH)3 + 3 NaCl + 6 H2O
Cr(OH)3 + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 Cr(OH)3 + 3 Br2 + 10 KOH = 2 K2CrO4 + 6 KBr + 8 H2O
Cr + SO4 = CrSO4 =>
Cr + SO4 = CrSO4
Al(SO4)3 = AlO3 + SO3 =>
Al(SO4)3 = AlO3 + 3 SO3
NaOH + Li2 = LiOH + Na =>
2 NaOH + Li2 = 2 LiOH + 2 Na
MnO4{-} + I{-} + OH{-} = MnO4{2-} + IO3{-} + H2O =>
6 MnO4{-} + I{-} + 6 OH{-} = 6 MnO4{2-} + IO3{-} + 3 H2O
PH3 + NaOH + Br2 = Na3PO4 + NaBr + H2O =>
PH3 + 11 NaOH + 4 Br2 = Na3PO4 + 8 NaBr + 7 H2O
Fe2{+} + C12H8N2 = [Fe(C12H8N2)3]2{+} =>
Fe2{+} + 6 C12H8N2 = [Fe(C12H8N2)3]2{+}
At2 + I2 = AtI =>
At2 + I2 = 2 AtI
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
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