| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 FeCl3 + 3 H2S = Fe2S3 + 6 HCl
HI + HClO3 = H2Cl2 + I2 + H2O =>
12 HI + 2 HClO3 = H2Cl2 + 6 I2 + 6 H2O
CaCl2 + NaOH = Ca(OH)2(insol) + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2(insol) + 2 NaCl
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
C6H5OH + HCHO + NH4Cl = C6H2OH(CH2NH3Cl)3 + H2O =>
C6H5OH + 3 HCHO + 3 NH4Cl = C6H2OH(CH2NH3Cl)3 + 3 H2O
HNO3 + Cu = Cu(NO3)2 + H2O + NO =>
8 HNO3 + 3 Cu = 3 Cu(NO3)2 + 4 H2O + 2 NO
MnO4{-}(aq) + Cl{-}(aq) + H{+}(aq) = Mn{2+}(aq) + Cl2(g) + H2O(l) =>
2 MnO4{-}(aq) + 10 Cl{-}(aq) + 16 H{+}(aq) = 2 Mn{2+}(aq) + 5 Cl2(g) + 8 H2O(l)
HNO3 + Cu = Cu(NO3)2 + H2O + NO =>
8 HNO3 + 3 Cu = 3 Cu(NO3)2 + 4 H2O + 2 NO
K + Al(NO3)3 = Al + K(NO3) =>
3 K + Al(NO3)3 = Al + 3 K(NO3)
Al(s) + NaOH(aq) = Na3AlO3(aq) + H2(aq) =>
2 Al(s) + 6 NaOH(aq) = 2 Na3AlO3(aq) + 3 H2(aq)
HNO3 + Zn = (ZnNO3)2 + NO2 + H2O =>
4 HNO3 + 2 Zn = (ZnNO3)2 + 2 NO2 + 2 H2O
H2S + MnO4 = S + MnO2 + H2O =>
2 H2S + MnO4 = 2 S + MnO2 + 2 H2O
NH4Cl(aq) + Pb(C2H3O2)2(aq) = NH4C2H3O2(s) + PbCl2(aq) =>
2 NH4Cl(aq) + Pb(C2H3O2)2(aq) = 2 NH4C2H3O2(s) + PbCl2(aq)
Mg + SO3 = MgO + S =>
3 Mg + SO3 = 3 MgO + S
NH4NO3 + CH3COONa = CH3NO3 + NH4COONa =>
NH4NO3 + CH3COONa = CH3NO3 + NH4COONa
AsO2{-} + Zn + H{+} = AsH3 + Zn{+2} + H2O =>
AsO2{-} + 3 Zn + 7 H{+} = AsH3 + 3 Zn{+2} + 2 H2O
C(s) + H2(g) + O2(g) = C9H8O4 =>
9 C(s) + 4 H2(g) + 2 O2(g) = C9H8O4
Al(s) + N2(s) = AlN(s) =>
2 Al(s) + N2(s) = 2 AlN(s)
K1O1H1 + H3PO4 = K3PO4 + H2O =>
3 K1O1H1 + H3PO4 = K3PO4 + 3 H2O
KJ + KCIO3 + H2SO4 = J2 + KCI + K2SO4 + H2O =>
6 KJ + KCIO3 + 3 H2SO4 = 3 J2 + KCI + 3 K2SO4 + 3 H2O
C + H = C5H4 =>
5 C + 4 H = C5H4
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
V(NO3)5 + MoBr2 = VBr5 + Mo(NO3)2 =>
2 V(NO3)5 + 5 MoBr2 = 2 VBr5 + 5 Mo(NO3)2
Mg + SO3 = MgSO3 =>
Mg + SO3 = MgSO3
(CH3)2CC(CH3)2 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + KOH + MnO2 =>
3(CH3)2CC(CH3)2 + 2 KMnO4 + 4 H2O = 3(CH3)2C(OH)C(OH)(CH3)2 + 2 KOH + 2 MnO2
Ca(NO3)2 + K3PO4 = KNO3 + Ca3(PO4)2 =>
3 Ca(NO3)2 + 2 K3PO4 = 6 KNO3 + Ca3(PO4)2
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
Mn + Ag{2+} = Mn{2+} + Ag =>
Mn + Ag{2+} = Mn{2+} + Ag
HCOH + H2O2 = HCOOH + H2O =>
HCOH + H2O2 = HCOOH + H2O
H2SiO3 + Ba(OH)2 = BaSiO3 + H2O =>
H2SiO3 + Ba(OH)2 = BaSiO3 + 2 H2O
Co + HNO3 = Co(NO3)2 + N2 + H2O =>
5 Co + 12 HNO3 = 5 Co(NO3)2 + N2 + 6 H2O
AlBr3 + NaOH = Al(OH)3 + NaBr =>
AlBr3 + 3 NaOH = Al(OH)3 + 3 NaBr
C5H11O + H2SO4 = C5H10 + H2O + HSO4 =>
C5H11O + H2SO4 = C5H10 + H2O + HSO4
Zn(OH)2 + CaSO4 = Ca(OH)2 + ZnSO4 =>
Zn(OH)2 + CaSO4 = Ca(OH)2 + ZnSO4
ZnI2 + K2S = ZnS + KI =>
ZnI2 + K2S = ZnS + 2 KI
BiO2 + H2 = Bi + H2O =>
BiO2 + 2 H2 = Bi + 2 H2O
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
NaOCl + Zn = ZnO + NaCl =>
NaOCl + Zn = ZnO + NaCl
K2Cr2O7 + KCl + H2O = CrCl3 + Cl2 + KOH =>
K2Cr2O7 + 12 KCl + 7 H2O = 2 CrCl3 + 3 Cl2 + 14 KOH
Cu(NO3)2(aq) + NaS(aq) = CuS(s) + Na(NO3)2(aq) =>
Cu(NO3)2(aq) + NaS(aq) = CuS(s) + Na(NO3)2(aq)
CaCl2(aq)HCl(aq) = HCl2(aq)CaCl(aq) =>
CaCl2(aq)HCl(aq) = HCl2(aq)CaCl(aq)
Mg2 + LiCl = MgCl2 + Li =>
Mg2 + 4 LiCl = 2 MgCl2 + 4 Li
K2C2O4 + Ag2CO3 = Ag2C2O4 + K2CO3 =>
K2C2O4 + Ag2CO3 = Ag2C2O4 + K2CO3
CaCl2(aq)HCl(aq) = HCl2(aq)CaCl(s) =>
CaCl2(aq)HCl(aq) = HCl2(aq)CaCl(s)
C4Br = C + Br =>
C4Br = 4 C + Br
H2SO4 + KI = H2O + H2S + I2 + K2SO4 =>
5 H2SO4 + 8 KI = 4 H2O + H2S + 4 I2 + 4 K2SO4
Ca(HCO3)2 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
Ca(HCO3)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O + 2 CO2
Hg(NO3)2 + NaCl = HgCl2 + NaNO3 =>
Hg(NO3)2 + 2 NaCl = HgCl2 + 2 NaNO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/22/24
Équations équilibrées sur12/22/23
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