| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
(NH4)2S2O4 + KI + Na2S2O3 = (NH4)2S2O3 + NaI + K2S2O8 =>
5(NH4)2S2O4 + 2 KI + Na2S2O3 = 5(NH4)2S2O3 + 2 NaI + K2S2O8
NaH = Na(s) + H2(g) =>
2 NaH = 2 Na(s) + H2(g)
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2 + BaSO4(s) =>
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2 + BaSO4(s)
HI + Cl = HCl + I =>
HI + Cl = HCl + I
Ca2 + H3PO4 = Ca3(PO4)2 + H2 =>
3 Ca2 + 4 H3PO4 = 2 Ca3(PO4)2 + 6 H2
Zn + K2Cr2O7 + HCl = ZnCl2 + CrCl3 + KCl + H2O =>
3 Zn + K2Cr2O7 + 14 HCl = 3 ZnCl2 + 2 CrCl3 + 2 KCl + 7 H2O
KSCN + KMnO4 + H2SO4 = (SCN)2 + MnSO4 + K2SO4 + H2O =>
10 KSCN + 2 KMnO4 + 8 H2SO4 = 5(SCN)2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
NaBrO3 + HBr + H2SO4 = Br2 + Na2SO4 + H2O =>
2 NaBrO3 + 10 HBr + H2SO4 = 6 Br2 + Na2SO4 + 6 H2O
Cr(OH)3 + Na(ClO) + Na2(CO3) = Na2(CrO4) + NaCl + H2O + CO2 =>
2 Cr(OH)3 + 3 Na(ClO) + 2 Na2(CO3) = 2 Na2(CrO4) + 3 NaCl + 3 H2O + 2 CO2
I2 + CaBr2 = CaI + Br =>
I2 + 2 CaBr2 = 2 CaI + 4 Br
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
H3PO4 + NaHCO3 = CO2 + H2O + Na2HPO4 =>
H3PO4 + 2 NaHCO3 = 2 CO2 + 2 H2O + Na2HPO4
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Cr + H2O = CrO + H2 =>
Cr + H2O = CrO + H2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
Zr(OH)4 + H3PO4 = Zr3(PO4)4 + H2O =>
3 Zr(OH)4 + 4 H3PO4 = Zr3(PO4)4 + 12 H2O
FeHCl2 = FeCl2H =>
FeHCl2 = FeCl2H
Mg(aq) + HCl(aq) = MgCl2 + H2 =>
Mg(aq) + 2 HCl(aq) = MgCl2 + H2
Al + HCOOH = AlCOOH + H2 =>
2 Al + 2 HCOOH = 2 AlCOOH + H2
SnCl2 + NH4NO3 = Sn(NO3)2 + NH4Cl =>
SnCl2 + 2 NH4NO3 = Sn(NO3)2 + 2 NH4Cl
FeCl3 + K2(CrO4) = Fe2(CrO4)3 + KCl =>
2 FeCl3 + 3 K2(CrO4) = Fe2(CrO4)3 + 6 KCl
AsH3 + HNO3 = H3AsO3 + NO2 + H2O =>
AsH3 + 6 HNO3 = H3AsO3 + 6 NO2 + 3 H2O
C2H5OH + CH3CO2H = CH3COC2H5 + H2O =>
3 C2H5OH + CH3CO2H = 2 CH3COC2H5 + 3 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
C6H12O3 + O2 = CO2 + H2O3 =>
2 C6H12O3 + 27 O2 = 12 CO2 + 12 H2O3
SiH4 + H2O = H2SiO3 + H2 =>
SiH4 + 3 H2O = H2SiO3 + 4 H2
N2O + H2O = NO3 + H =>
N2O + 5 H2O = 2 NO3 + 10 H
CuCO3(ac) + NH3(ac) = [Cu(NH3)]CO3(ac) =>
CuCO3(ac) + NH3(ac) = [Cu(NH3)]CO3(ac)
(CH3)3CC(CH3)3 + O2 = CO2 + H2O =>
2(CH3)3CC(CH3)3 + 25 O2 = 16 CO2 + 18 H2O
SO + H2 = S + H2O =>
SO + H2 = S + H2O
CrSe3 + HNO3 + PbO2 = H2CrO7 + H2SeO4 + Pb(NO3)2 + H2O =>
CrSe3 + 30 HNO3 + 15 PbO2 = H2CrO7 + 3 H2SeO4 + 15 Pb(NO3)2 + 11 H2O
KBr + Fe(OH)3 = FeBr3 + KOH =>
3 KBr + Fe(OH)3 = FeBr3 + 3 KOH
ZnSO4(aq) + MgCl2(aq) = ZnCl2 + MgSO4(aq) =>
ZnSO4(aq) + MgCl2(aq) = ZnCl2 + MgSO4(aq)
H2SO4(aq) + Mg(OH)2(aq) = MgSO4(aq) + H2O(l) =>
H2SO4(aq) + Mg(OH)2(aq) = MgSO4(aq) + 2 H2O(l)
NaBrO3 + F2 + NaOH = NaF + NaBrO4 + H2O =>
NaBrO3 + F2 + 2 NaOH = 2 NaF + NaBrO4 + H2O
(CH3)2C6H3NH2 + C2H2Cl2O = C10H12ClNO + HCl =>
(CH3)2C6H3NH2 + C2H2Cl2O = C10H12ClNO + HCl
Li(s) + O2(g) = Li2O(s) =>
4 Li(s) + O2(g) = 2 Li2O(s)
Po + O2 = PoO2 =>
Po + O2 = PoO2
SbCl5 + WO3 = Sb2O5 + WCl6 =>
6 SbCl5 + 5 WO3 = 3 Sb2O5 + 5 WCl6
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
Cu + MgO = Cu2O3 + Mg =>
2 Cu + 3 MgO = Cu2O3 + 3 Mg
Sr(C2H3O2)2 + KOH = Sr(OH)2 + KC2H3O2 =>
Sr(C2H3O2)2 + 2 KOH = Sr(OH)2 + 2 KC2H3O2
NaHCO3 + Mg = Mg(HCO3)2 + Na =>
2 NaHCO3 + Mg = Mg(HCO3)2 + 2 Na
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Zn + HNO3 + H2O = Zn(OH)2 + NH3 =>
4 Zn + HNO3 + 5 H2O = 4 Zn(OH)2 + NH3
CuS + NH3 = Cu(NH3)4 + S =>
CuS + 4 NH3 = Cu(NH3)4 + S
C6H13OH + O2 = CO2 + H2O =>
C6H13OH + 9 O2 = 6 CO2 + 7 H2O
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
Al(NO3)3 + KCl = KNO3 + AlCl3 =>
Al(NO3)3 + 3 KCl = 3 KNO3 + AlCl3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/16/24
Équations équilibrées sur01/15/24
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