| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 CO + Ca = CaC2 + 2 CO2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
C2H2Cl4 + O2 = CO2 + Cl2 + H2O =>
2 C2H2Cl4 + 5 O2 = 4 CO2 + 4 Cl2 + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
K3Po4 + HNo3 = KNo3 + H3Po4 =>
K3Po4 + 3 HNo3 = 3 KNo3 + H3Po4
HBr + Cr2 = Cr2Br + H2 =>
2 HBr + 2 Cr2 = 2 Cr2Br + H2
CaCl2 + Ba = BaCl2 + Ca =>
CaCl2 + Ba = BaCl2 + Ca
Li2S + O2 = Li2O + S =>
2 Li2S + O2 = 2 Li2O + 2 S
ZnCl2 + H2SO3 = ZnSO3 + HCl =>
ZnCl2 + H2SO3 = ZnSO3 + 2 HCl
Cr(OH)3 + MnO2 + H2O = CrO4{-2} + Mn(OH)2 + H{+} =>
2 Cr(OH)3 + 3 MnO2 + 2 H2O = 2 CrO4{-2} + 3 Mn(OH)2 + 4 H{+}
O3(g) = O2 =>
2 O3(g) = 3 O2
KI + PbCl2 = KCl + PbI2 =>
2 KI + PbCl2 = 2 KCl + PbI2
MgSO4(aq) + NaOH(aq) = MgOH(s) + NaSO4 =>
MgSO4(aq) + NaOH(aq) = MgOH(s) + NaSO4
CaO + HF = CaF2H2O =>
CaO + 2 HF = CaF2H2O
H2SO3 + FeO = FeSO3 + H2O =>
H2SO3 + FeO = FeSO3 + H2O
Pl + Cr + O = PlCrO4 =>
Pl + Cr + 4 O = PlCrO4
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
Pb2S + O2 = Pb + SO2 =>
Pb2S + O2 = 2 Pb + SO2
Ba(NO3)2 + SO4 = BaSO4 + NO3 =>
Ba(NO3)2 + SO4 = BaSO4 + 2 NO3
K2CrO4(aq) + NiCl2(aq) = K2Cl2 + NiCrO4 =>
K2CrO4(aq) + NiCl2(aq) = K2Cl2 + NiCrO4
CuCl + H2O + Zn = CuZn + HCl + O2 =>
4 CuCl + 2 H2O + 4 Zn = 4 CuZn + 4 HCl + O2
KII = K + I =>
KII = K + 2 I
(NH4)3PO4 + ZnSO4 = (NH4)2SO4 + Zn3(PO4)2 =>
2(NH4)3PO4 + 3 ZnSO4 = 3(NH4)2SO4 + Zn3(PO4)2
Hg2(NO3)2 + Cr(SO4)3 = (Hg2)(SO4)2 + Cr(NO3)3 =>
3 Hg2(NO3)2 + 2 Cr(SO4)3 = 3(Hg2)(SO4)2 + 2 Cr(NO3)3
PCl3 + Br2 + H2O = HCl + HBr + H3PO4 =>
PCl3 + Br2 + 4 H2O = 3 HCl + 2 HBr + H3PO4
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
Be{2+} + OH{-} = Be(OH)2 =>
Be{2+} + 2 OH{-} = Be(OH)2
Ca(NO3)2 + Na4SiO4 = Ca2SiO4 + NaNO3 =>
2 Ca(NO3)2 + Na4SiO4 = Ca2SiO4 + 4 NaNO3
NO3{-} + SO2 + H2O = SO4{2-} + NO + H{+} =>
2 NO3{-} + 3 SO2 + 2 H2O = 3 SO4{2-} + 2 NO + 4 H{+}
(NH4)2O + K3P = (NH4)2OK3P =>
(NH4)2O + K3P = (NH4)2OK3P
NH2CH2COOH + KOH = NH2CH2COOK + H2O =>
NH2CH2COOH + KOH = NH2CH2COOK + H2O
HCN + Ca(OH)2 + Na2SO4 = CaSO4 + NaCN + H2O =>
2 HCN + Ca(OH)2 + Na2SO4 = CaSO4 + 2 NaCN + 2 H2O
ZnO + NH3 = Zn + H2O + N2 =>
3 ZnO + 2 NH3 = 3 Zn + 3 H2O + N2
H2O = H2O2 + H2 =>
2 H2O = H2O2 + H2
H3AsO4 + Ca(OH)2 = Ca3(AsO4)2 + H2O =>
2 H3AsO4 + 3 Ca(OH)2 = Ca3(AsO4)2 + 6 H2O
Mg + HO = Mg(OH)2 =>
Mg + 2 HO = Mg(OH)2
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
H2 + S + O4 = S(OH)4 =>
2 H2 + S + O4 = S(OH)4
C2H5N3O2 + C3H7NO2 = C4H10N4O + CO2 + H2O =>
C2H5N3O2 + C3H7NO2 = C4H10N4O + CO2 + H2O
NaTs + MgCl2 = MgTs2 + NaCl* =>
2 NaTs + MgCl2 = MgTs2 + 2 NaCl*
C5H12O12 + O2 = H2O + CO2 =>
C5H12O12 + 2 O2 = 6 H2O + 5 CO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/15/25
Équations équilibrées sur02/14/24
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