| Équations équilibrées la veille | Équations équilibrées le lendemain |
PBr3 + 3 H2O = H3PO3 + 3 HBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Sn + HCl = SnCl2 + H =>
Sn + 2 HCl = SnCl2 + 2 H
B(OH)3 + H2CO3 = B2(CO3)3 + H2O =>
2 B(OH)3 + 3 H2CO3 = B2(CO3)3 + 6 H2O
CH3C6H4NO2 + KMnO4 + H2SO4 = COOHC6H4NO2 + K2SO4 + MnSO4 + H2O =>
5 CH3C6H4NO2 + 6 KMnO4 + 9 H2SO4 = 5 COOHC6H4NO2 + 3 K2SO4 + 6 MnSO4 + 14 H2O
Na2B4O7 + H2O = NaOH + H3BO3 =>
Na2B4O7 + 7 H2O = 2 NaOH + 4 H3BO3
S + P = SP =>
S + P = SP
Ag2O + NH3 + H2O = Ag(NH3)2 + OH =>
Ag2O + 4 NH3 + H2O = 2 Ag(NH3)2 + 2 OH
Fe2O3 + Ca(OH)2 = Ca(FeO2)2 + H2O =>
Fe2O3 + Ca(OH)2 = Ca(FeO2)2 + H2O
NaCl + C6H8O7 = Na3C6H5O7 + HCl =>
3 NaCl + C6H8O7 = Na3C6H5O7 + 3 HCl
MnO2 + KCl + H2SO4 = Mn2(SO4)2 + K2SO4 + H2O + Cl2 =>
2 MnO2 + 4 KCl + 4 H2SO4 = Mn2(SO4)2 + 2 K2SO4 + 4 H2O + 2 Cl2
Pb + AlCl3 = PbCl2 + Al =>
3 Pb + 2 AlCl3 = 3 PbCl2 + 2 Al
K(s) + ZnCl2(aq) = KCl + Zn =>
2 K(s) + ZnCl2(aq) = 2 KCl + Zn
Fe2(SO4)3(aq) + CaCl2(aq) = CaSO4(s) + FeCl3(aq) =>
Fe2(SO4)3(aq) + 3 CaCl2(aq) = 3 CaSO4(s) + 2 FeCl3(aq)
CH3CH2OH + H2O = CH3CH2O + H3O =>
CH3CH2OH + H2O = CH3CH2O + H3O
CH3NO2 + O2 = CO2 + H2O + NO2 =>
4 CH3NO2 + 7 O2 = 4 CO2 + 6 H2O + 4 NO2
Cl{-} + MnO4{-} + H2O = Cl2 + MnO2 + OH{-} =>
6 Cl{-} + 2 MnO4{-} + 4 H2O = 3 Cl2 + 2 MnO2 + 8 OH{-}
CuBr + AgNO3 + HNO3 = Cu(NO3)2 + AgBr + H2 =>
2 CuBr + 2 AgNO3 + 2 HNO3 = 2 Cu(NO3)2 + 2 AgBr + H2
MgSO4*H2O = MgO + SO3 + H2O =>
MgSO4*H2O = MgO + SO3 + H2O
KClO3 = (KCl) + O2 =>
2 KClO3 = 2(KCl) + 3 O2
C6H5CH2OH + KMnO4 = C6H5CO2H + MnO2 + H2O + KOH =>
3 C6H5CH2OH + 4 KMnO4 = 3 C6H5CO2H + 4 MnO2 + H2O + 4 KOH
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
BaCl2(aq) + AgNO3 = Ba(NO3)2(s) + AgCl(aq) =>
BaCl2(aq) + 2 AgNO3 = Ba(NO3)2(s) + 2 AgCl(aq)
H2 + Fe = HFe =>
H2 + 2 Fe = 2 HFe
CrO3 + NaOH = Cr(OH)6 + Na2O =>
CrO3 + 6 NaOH = Cr(OH)6 + 3 Na2O
KAlO2 + H2SO4 + H2O = KAl(SO4)2*12H2O =>
KAlO2 + 2 H2SO4 + 10 H2O = KAl(SO4)2*12H2O
Zinc + HBr = Zincbromide + Hydrogen =>
Zn + 2 HBr = ZnBr2 + H2
Te + HClO3 + H2O = H6TeO6 + HCl =>
Te + HClO3 + 3 H2O = H6TeO6 + HCl
Mn + H = MnH3 =>
Mn + 3 H = MnH3
NaCl + H2O2 = NaOCl + H2O =>
NaCl + H2O2 = NaOCl + H2O
CrCl3 + Hg(NO3)2 = Cr(NO3)3 + HgCl2 =>
2 CrCl3 + 3 Hg(NO3)2 = 2 Cr(NO3)3 + 3 HgCl2
H2O + N2O4 + Br{-} = NO2{-} + BrO3{-} + H{+} =>
3 H2O + 3 N2O4 + Br{-} = 6 NO2{-} + BrO3{-} + 6 H{+}
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
[Co2(CO)8] + NaOH = Na[Co(CO)4] + CoCO3 + Na2CO3 + H2O =>
11[Co2(CO)8] + 32 NaOH = 20 Na[Co(CO)4] + 2 CoCO3 + 6 Na2CO3 + 16 H2O
C10H16N2O8 + O2 = CO2 + H2O + N2 =>
C10H16N2O8 + 10 O2 = 10 CO2 + 8 H2O + N2
Cu + P = CuP =>
Cu + P = CuP
C8H18 + O2(g) = CO2(g) + H2O =>
2 C8H18 + 25 O2(g) = 16 CO2(g) + 18 H2O
AgNO3 + NH3 = Ag3N + HNO3 =>
3 AgNO3 + NH3 = Ag3N + 3 HNO3
Pb(OH)2 + Cr(CO3)3 = PbCO3 + Cr(OH)6 =>
3 Pb(OH)2 + Cr(CO3)3 = 3 PbCO3 + Cr(OH)6
NH3(g) + O2(g) = NO2(g) + H2O(g) =>
4 NH3(g) + 7 O2(g) = 4 NO2(g) + 6 H2O(g)
Cl + SI = ClS + I =>
Cl + SI = ClS + I
Cr + H2O = Cr(OH)3 + H2 =>
2 Cr + 6 H2O = 2 Cr(OH)3 + 3 H2
Zn(NO3)2 + NaC2H3O2 = Zn(C2H3O2)2 + Na(NO3) =>
Zn(NO3)2 + 2 NaC2H3O2 = Zn(C2H3O2)2 + 2 Na(NO3)
Na2S + SO2 = Na2SO4 + S =>
Na2S + 2 SO2 = Na2SO4 + 2 S
Bi(OH)3 + Na2[Sn(OH)4] = Bi + Na2[Sn(OH)6] =>
2 Bi(OH)3 + 3 Na2[Sn(OH)4] = 2 Bi + 3 Na2[Sn(OH)6]
CN + H2O = CNO + H =>
CN + H2O = CNO + 2 H
Mg + Ag2CO3 = Ag + MgCO3 =>
Mg + Ag2CO3 = 2 Ag + MgCO3
Ag + Zn = AgZn =>
Ag + Zn = AgZn
Fe3O4 + HI = FeI2 + FeI3 + H2O =>
Fe3O4 + 8 HI = FeI2 + 2 FeI3 + 4 H2O
HBrO3 = Br2O5 + H2O =>
2 HBrO3 = Br2O5 + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/26/24
Équations équilibrées sur11/25/23
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