| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na + MgCl2 = 2 NaCl + Mg
GaBr3 + Na2SO3 = Ga2(SO3)3 + NaBr =>
2 GaBr3 + 3 Na2SO3 = Ga2(SO3)3 + 6 NaBr
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
S + Zn3N2 = N2 + ZnS =>
3 S + Zn3N2 = N2 + 3 ZnS
H2C2O2 + MnO4 + H{+} = CO2 + Mn2{+} + H2O =>
5 H2C2O2 + 4 MnO4 + 2 H{+} = 10 CO2 + 2 Mn2{+} + 6 H2O
H3PO4 + Fe(OH)2 + Ca(OH)2 = Ca2Fe(PO4)2 + H2O =>
2 H3PO4 + Fe(OH)2 + 2 Ca(OH)2 = Ca2Fe(PO4)2 + 6 H2O
Al + NH4OH = Al(NH3)4 + H2O =>
Al + 4 NH4OH = Al(NH3)4 + 4 H2O
AgCl + NH4OH = AgOH(s) + NH4Cl =>
AgCl + NH4OH = AgOH(s) + NH4Cl
Al + Cr2(SO4)2 = Cr + Al2(SO4)3 =>
4 Al + 3 Cr2(SO4)2 = 6 Cr + 2 Al2(SO4)3
KOH + Al(NO3)3 = KNO3(aq) + Al(OH)3 =>
3 KOH + Al(NO3)3 = 3 KNO3(aq) + Al(OH)3
Mn{2+} + Zn{2+} + H2O = MnO4{-} + Zn + H{+} =>
2 Mn{2+} + 5 Zn{2+} + 8 H2O = 2 MnO4{-} + 5 Zn + 16 H{+}
Ca(NO3)2 + H2SO4(aq) = CaSO4(s) + HNO3(aq) =>
Ca(NO3)2 + H2SO4(aq) = CaSO4(s) + 2 HNO3(aq)
C2H2(g) + O2(g) = CO2 + H2O(i) =>
2 C2H2(g) + 5 O2(g) = 4 CO2 + 2 H2O(i)
K2S + H2SO4 = KHSO4 + H2S =>
K2S + 2 H2SO4 = 2 KHSO4 + H2S
NaCl + KMnO4 + H2SO4 = Cl2 + Na2SO4 + K2SO4 + H2O + MnO2 =>
6 NaCl + 2 KMnO4 + 4 H2SO4 = 3 Cl2 + 3 Na2SO4 + K2SO4 + 4 H2O + 2 MnO2
Pb + NH3 = Pb(NH3)3 =>
Pb + 3 NH3 = Pb(NH3)3
AsS3 + NaOH + NaClO3 = NaAsO4 + NaSO4 + NaClO + H2O =>
AsS3 + 4 NaOH + 7 NaClO3 = NaAsO4 + 3 NaSO4 + 7 NaClO + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cu(OH)2 + HCl = CuCl + H + OH =>
Cu(OH)2 + HCl = CuCl + H + 2 OH
H2O + NiCl2 = HCl + Ni(OH)2 =>
2 H2O + NiCl2 = 2 HCl + Ni(OH)2
BaS + CuSO4 = BaSO4 + CuS =>
BaS + CuSO4 = BaSO4 + CuS
Zn + Ba(NO3)2 = Ba2 + Zn(NO3) =>
4 Zn + 2 Ba(NO3)2 = Ba2 + 4 Zn(NO3)
Fe + S = Fe2S3 =>
2 Fe + 3 S = Fe2S3
HCl(aq) + CrCO3(s) = CrCl2(aq) + H2O(l) + CO2(g) =>
2 HCl(aq) + CrCO3(s) = CrCl2(aq) + H2O(l) + CO2(g)
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
N2 + Si = Si3N4 =>
2 N2 + 3 Si = Si3N4
NaOH + Na2Co3 = NaCo3 + Na2OH =>
NaOH + Na2Co3 = NaCo3 + Na2OH
Bi(OH)3 + K2SNO2 = Bi + K2SNO3 + H2O =>
2 Bi(OH)3 + 3 K2SNO2 = 2 Bi + 3 K2SNO3 + 3 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Cu + H3AsO4 = Cu3(AsO4)2 + H2 =>
3 Cu + 2 H3AsO4 = Cu3(AsO4)2 + 3 H2
Fe + SnF4 = FeF3 + Sn =>
4 Fe + 3 SnF4 = 4 FeF3 + 3 Sn
CH3COOH + NaHCO2 = CH2COONa + H2O + CO2 =>
5 CH3COOH + 8 NaHCO2 = 8 CH2COONa + 6 H2O + 2 CO2
Al + AgCl = AlCl3 + Ag =>
Al + 3 AgCl = AlCl3 + 3 Ag
Fe(aq) + O2(g) = Fe2O3(s) =>
4 Fe(aq) + 3 O2(g) = 2 Fe2O3(s)
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
C19H40O2 + O2 = CO2 + H2O =>
C19H40O2 + 28 O2 = 19 CO2 + 20 H2O
Cr + H3PO4 = Cr3(PO4)3 + H2 =>
6 Cr + 6 H3PO4 = 2 Cr3(PO4)3 + 9 H2
C10H8OH + NaOH = C10H8ONa + H2O =>
C10H8OH + NaOH = C10H8ONa + H2O
Al(OH)3 + HF + NaOH = H2O + Na3AlF6 =>
Al(OH)3 + 6 HF + 3 NaOH = 6 H2O + Na3AlF6
NH4CHO3 + HNO3 = NH4NO3 + H2O + CO2 =>
NH4CHO3 + HNO3 = NH4NO3 + H2O + CO2
OH = HO =>
OH = HO
SnO + NF3 = SnF2 + N2O3 =>
3 SnO + 2 NF3 = 3 SnF2 + N2O3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
KCl + NaHCO3 = K2CO3 + CO2 + NaCl + H2O =>
2 KCl + 2 NaHCO3 = K2CO3 + CO2 + 2 NaCl + H2O
K + Br = KBr =>
K + Br = KBr
Na2CO3 + H2O = NaHCO3 + NaOH =>
Na2CO3 + H2O = NaHCO3 + NaOH
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Cr2(SO4)3 + K2S + H2O = Cr(OH)3 + H2S + K2SO4 =>
Cr2(SO4)3 + 3 K2S + 6 H2O = 2 Cr(OH)3 + 3 H2S + 3 K2SO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/11/24
Équations équilibrées sur01/10/24
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