| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 MoO2 + 4 NH3 = 3 Mo + 6 H2O + 2 N2
KNO3(aq) + H2SO4(aq) = K2SO4 + HNO3 =>
2 KNO3(aq) + H2SO4(aq) = K2SO4 + 2 HNO3
Na + HCN = NaCN + H =>
Na + HCN = NaCN + H
PH3 + CuSO4 + H2O = H3PO3 + Cu + H2SO4 =>
PH3 + 3 CuSO4 + 3 H2O = H3PO3 + 3 Cu + 3 H2SO4
HBrO3 + HCl = Br2 + H2O + Cl2 =>
2 HBrO3 + 10 HCl = Br2 + 6 H2O + 5 Cl2
C2H5OH + H2 = C2H6 + H2O =>
C2H5OH + H2 = C2H6 + H2O
BaCO3(g) = BaO(g) + CO2(g) =>
BaCO3(g) = BaO(g) + CO2(g)
Pb(NO3)2(aq) + K2SO4(aq) = PbSO4(aq) + KNO3(s) =>
Pb(NO3)2(aq) + K2SO4(aq) = PbSO4(aq) + 2 KNO3(s)
Mn2O3 + H2 = Mn + H2O =>
Mn2O3 + 3 H2 = 2 Mn + 3 H2O
CoCl2 + HF = CoF2 + HCl =>
CoCl2 + 2 HF = CoF2 + 2 HCl
Bi2O3 + Cl2 + KOH = KCl + KBiO3 + H2O =>
Bi2O3 + 2 Cl2 + 6 KOH = 4 KCl + 2 KBiO3 + 3 H2O
KClO4 + H2SO3 = KCl + H2SO4 =>
KClO4 + 4 H2SO3 = KCl + 4 H2SO4
C6H6 + CH3COCl = C8H8O + HCl =>
C6H6 + CH3COCl = C8H8O + HCl
Na3[Cr(OH)6] + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
2 Na3[Cr(OH)6] + 6 H2SO4 = Cr2(SO4)3 + 3 Na2SO4 + 12 H2O
NO2 + KI = KO2 + NI =>
NO2 + KI = KO2 + NI
Br(l) + NaCl(aq) = BrNa(aq) + Cl(g) =>
Br(l) + NaCl(aq) = BrNa(aq) + Cl(g)
KI + HNO3 + PbO2 = I2 + Pb(NO3)2 + KNO3 + H2O =>
2 KI + 4 HNO3 + PbO2 = I2 + Pb(NO3)2 + 2 KNO3 + 2 H2O
C14H30 = C6H14 + C2H4 =>
C14H30 = C6H14 + 4 C2H4
SiO2(s) + HF(g) = SiF4(s) + H2O(l) =>
SiO2(s) + 4 HF(g) = SiF4(s) + 2 H2O(l)
Mg + Pt(OH)4 = Mg(OH)2 + Pt4 =>
8 Mg + 4 Pt(OH)4 = 8 Mg(OH)2 + Pt4
Cu(NO3)2 + Na2CO3 + H2O = CuCO3Cu(OH)2 + NaNO3 + CO2 =>
2 Cu(NO3)2 + 2 Na2CO3 + H2O = CuCO3Cu(OH)2 + 4 NaNO3 + CO2
CuSO4(s) + H2O(l) = CuSO4*5H2O(s) =>
CuSO4(s) + 5 H2O(l) = CuSO4*5H2O(s)
CrCl3 + KOH + Cl2 = K2Cr2O7 + KCl + H2O =>
2 CrCl3 + 14 KOH + 3 Cl2 = K2Cr2O7 + 12 KCl + 7 H2O
PbI2 + CH3COOH = Pb(CH3COO)2 + HI =>
PbI2 + 2 CH3COOH = Pb(CH3COO)2 + 2 HI
Zn + Mg(OH)2 = MgZnO2 + H2 =>
Zn + Mg(OH)2 = MgZnO2 + H2
CoCl2 + CoSO4 = ClSO4 + Co =>
CoCl2 + 2 CoSO4 = 2 ClSO4 + 3 Co
HCOH + KMnO4 + H2SO4 = HCOOH + K2SO4 + H2O + MnSO4 =>
5 HCOH + 2 KMnO4 + 3 H2SO4 = 5 HCOOH + K2SO4 + 3 H2O + 2 MnSO4
C7H6CO2 + O2 = CO2 + H2O =>
2 C7H6CO2 + 17 O2 = 16 CO2 + 6 H2O
Na2CO3*3H2O2 + MnSO4 = MnO2 + H2SO4 + Na2CO3 =>
Na2CO3*3H2O2 + 3 MnSO4 = 3 MnO2 + 3 H2SO4 + Na2CO3
FeAsS + O2 = FeAsO4 + SO2 =>
FeAsS + 3 O2 = FeAsO4 + SO2
Ag2S + Cl2 = AgCl + S =>
Ag2S + Cl2 = 2 AgCl + S
CCl4 + HF = CF2Cl2 + HCl =>
CCl4 + 2 HF = CF2Cl2 + 2 HCl
CuSO4(s) + H2O(l) = CuSO4*5H2O(s) =>
CuSO4(s) + 5 H2O(l) = CuSO4*5H2O(s)
H{+} + Cr2O7 + C2H5OH = Cr{3+} + C2H4O + H2O =>
6 H{+} + Cr2O7 + 4 C2H5OH = 2 Cr{3+} + 4 C2H4O + 7 H2O
N2O3 + Na2O = Na3O + NO2 =>
N2O3 + 3 Na2O = 2 Na3O + 2 NO2
K2O + H2SiO3 = K2SiO3 + H2O =>
K2O + H2SiO3 = K2SiO3 + H2O
Cl2 + SO3{-2} + H2O = Cl{-} + SO4{2-} + H{+} =>
Cl2 + SO3{-2} + H2O = 2 Cl{-} + SO4{2-} + 2 H{+}
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
Fe2 + Si = Fe2Si =>
Fe2 + Si = Fe2Si
Cu(NO3)2 + Na2CO3 + H2O = CuCO3*Cu(OH)2 + NaNO3 + CO2 =>
2 Cu(NO3)2 + 2 Na2CO3 + H2O = CuCO3*Cu(OH)2 + 4 NaNO3 + CO2
C6H7N = C + H + N =>
C6H7N = 6 C + 7 H + N
Ag + HCl = AgCl2 + H =>
Ag + 2 HCl = AgCl2 + 2 H
CH3CH2Br + KOH = C2H4 + KBr + H2O =>
CH3CH2Br + KOH = C2H4 + KBr + H2O
Mg(s) + AgNO3(s) = Ag(s) + Mg(NO3)2(aq) =>
Mg(s) + 2 AgNO3(s) = 2 Ag(s) + Mg(NO3)2(aq)
F2 + CuBr2 = CuF + Br =>
F2 + 2 CuBr2 = 2 CuF + 4 Br
NH3 + CH3O = NH2 + CH4O =>
NH3 + CH3O = NH2 + CH4O
Ba(NO3)2(aq) + NaHCO3(aq) = Ba(HCO3)2(aq) + NaNO3(aq) =>
Ba(NO3)2(aq) + 2 NaHCO3(aq) = Ba(HCO3)2(aq) + 2 NaNO3(aq)
H2O2 + CN{-} = HCO3{-} + H2O + N2 =>
5 H2O2 + 2 CN{-} = 2 HCO3{-} + 4 H2O + N2
C6H5OH(g) + O2(g) = CO2(g) + H2O(g) =>
C6H5OH(g) + 7 O2(g) = 6 CO2(g) + 3 H2O(g)
Fe2 + F2 = Fe3F =>
3 Fe2 + F2 = 2 Fe3F
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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