| Équations équilibrées la veille |
6 Ba5Co4 + 6 N8 = 24 N2Co + Ba30
K2SO4(aq) + Ni(NO3)2(aq) = NiSO4(aq) + KNO3(aq) =>
K2SO4(aq) + Ni(NO3)2(aq) = NiSO4(aq) + 2 KNO3(aq)
BaSH2O = BaOH2S =>
BaSH2O = BaOH2S
V3(AsO4)7 + MnCl5 + H2O = V(OH)7 + As2O3 + Cl2 + Mn2O5 =>
10 V3(AsO4)7 + 28 MnCl5 + 105 H2O = 30 V(OH)7 + 35 As2O3 + 70 Cl2 + 14 Mn2O5
NaAc + H2O = HAc + NaOH =>
NaAc + H2O = HAc + NaOH
KCIO2 + Br2 + KOH = K2CIO4 + KBr + H2O =>
2 KCIO2 + 3 Br2 + 8 KOH = 2 K2CIO4 + 6 KBr + 4 H2O
CuI + F2 = CuF + I2 =>
2 CuI + F2 = 2 CuF + I2
Na(s) + Cl2 = NaCl(s) =>
2 Na(s) + Cl2 = 2 NaCl(s)
Cl3 = Cl2 =>
2 Cl3 = 3 Cl2
K2OSO2 = K2O(SO2) =>
K2OSO2 = K2O(SO2)
Na + H3 = NaH =>
3 Na + H3 = 3 NaH
CaCl2 + F2 = CaF2 + Cl2 =>
CaCl2 + F2 = CaF2 + Cl2
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
Ni + SnCl2 = NiCl2 + Sn =>
Ni + SnCl2 = NiCl2 + Sn
Li + H2O = Li2OH + H =>
2 Li + H2O = Li2OH + H
Pb(OH)4 + NaOH = Na2[Pb(OH)6] =>
Pb(OH)4 + 2 NaOH = Na2[Pb(OH)6]
Ca(OH)2 + H2O = H3O + CaO2H =>
Ca(OH)2 + H2O = H3O + CaO2H
BaS + HNO3 = Ba(NO3)2 + H2S =>
BaS + 2 HNO3 = Ba(NO3)2 + H2S
NH3 + O2 = HNO3 + H2O =>
NH3 + 2 O2 = HNO3 + H2O
Na2CO3 + H + Cl = CO2 + H2O + NaCl =>
Na2CO3 + 2 H + 2 Cl = CO2 + H2O + 2 NaCl
Mn3P2 + O2 = Mn2O3 + P4 =>
4 Mn3P2 + 9 O2 = 6 Mn2O3 + 2 P4
NaHCO3HClO4 = H2CO3NaClO4 =>
NaHCO3HClO4 = H2CO3NaClO4
ZnON2O5 = Zn(NO3)2 =>
ZnON2O5 = Zn(NO3)2
CaCl2 + F2 = CaF2 + Cl2 =>
CaCl2 + F2 = CaF2 + Cl2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Li2O = Li + O2 =>
2 Li2O = 4 Li + O2
NH4Cl + Ba(OH)2 = BaCl2 + NH3 + H2O =>
2 NH4Cl + Ba(OH)2 = BaCl2 + 2 NH3 + 2 H2O
Ca(NO3)2 + NaCl = CaCl2 + NaNO3 =>
Ca(NO3)2 + 2 NaCl = CaCl2 + 2 NaNO3
Sn + CrCl3 = Cr + SnCl4 =>
3 Sn + 4 CrCl3 = 4 Cr + 3 SnCl4
AgClCaCl2 = AgCl2CaCl =>
AgClCaCl2 = AgCl2CaCl
Zn + H3AsO3 + H{+} = Zn2{+} + As + H2O =>
6 Zn + H3AsO3 + 3 H{+} = 3 Zn2{+} + As + 3 H2O
Sn(ClO3)4 + Na2CrO4 = NaClO3 + Sn(CrO4)2 =>
Sn(ClO3)4 + 2 Na2CrO4 = 4 NaClO3 + Sn(CrO4)2
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
Zn + ClH = ZnCl + H =>
Zn + ClH = ZnCl + H
CaS + HCl = CaCl + HS =>
CaS + HCl = CaCl + HS
NH3 + H2O + CaCl2 = NH4Cl + Ca(OH)2 =>
2 NH3 + 2 H2O + CaCl2 = 2 NH4Cl + Ca(OH)2
(NH4)2SO4(s) + BaOH(aq) = Ba2SO4(aq) + H2O(l) + NH3(g) =>
(NH4)2SO4(s) + 2 BaOH(aq) = Ba2SO4(aq) + 2 H2O(l) + 2 NH3(g)
SrS + CuSO42 = SrSO4 + CuS =>
21 SrS + 2 CuSO42 = 21 SrSO4 + 2 CuS
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na3CrO3 + Cl + NaOH = Na2CrO4 + NaCl + H2O =>
Na3CrO3 + 3 Cl + 2 NaOH = Na2CrO4 + 3 NaCl + H2O
NaI + NaIO3 + H2SO4 = I2 + Na2(SO4) + H2O =>
5 NaI + NaIO3 + 3 H2SO4 = 3 I2 + 3 Na2(SO4) + 3 H2O
Co2S3 + KNO3 + CaCO3 = KSCN + CaSO4 + Co2O3 =>
2 Co2S3 + 3 KNO3 + 3 CaCO3 = 3 KSCN + 3 CaSO4 + 2 Co2O3
Na2SO4 + H2O + CO2 = H2SO4 + Na2CO3 =>
Na2SO4 + H2O + CO2 = H2SO4 + Na2CO3
AgCl + NaOH = AgOH + NaCl =>
AgCl + NaOH = AgOH + NaCl
B + HF = H3B + F2 =>
2 B + 6 HF = 2 H3B + 3 F2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Al + ZnCl2 = Zn + AlCl3 =>
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
MnO4{-} + H3AsO3 = MnO2 + HAsO4{2-} + H2O + H{+} =>
2 MnO4{-} + 3 H3AsO3 = 2 MnO2 + 3 HAsO4{2-} + H2O + 4 H{+}
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