| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaCO3 = CO2 + CaO
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
K2CrO4 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
2 K2CrO4 + 3 Na2SO3 + 10 HCl = 4 KCl + 3 Na2SO4 + 2 CrCl3 + 5 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Br + O2 = Br2O3 =>
4 Br + 3 O2 = 2 Br2O3
NO2{-} + MnO2 + H{+} = NO3{-} + Mn{+2} + H2O =>
NO2{-} + MnO2 + 2 H{+} = NO3{-} + Mn{+2} + H2O
NaCl + H2SO4 + MnO2 = Na2SO4 + MnSO4 + H2O + Cl2 =>
2 NaCl + 2 H2SO4 + MnO2 = Na2SO4 + MnSO4 + 2 H2O + Cl2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
ZnBr2 + NaOH = Zn(OH)2 + NaBr =>
ZnBr2 + 2 NaOH = Zn(OH)2 + 2 NaBr
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH3 + H2O = NH4{+} + OH{-} =>
NH3 + H2O = NH4{+} + OH{-}
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HMnO4 + HCl = MnCl2 + H2O + Cl2 =>
2 HMnO4 + 14 HCl = 2 MnCl2 + 8 H2O + 5 Cl2
Fe2(SO4)3 + Ba(OH)2 = Fe(OH)3 + Ba(SO4) =>
Fe2(SO4)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 Ba(SO4)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn2 + Fe2Cl2 = ZnCl + Fe =>
Zn2 + Fe2Cl2 = 2 ZnCl + 2 Fe
CuCl2 + NaOH = NaCl + H2O + CuO =>
CuCl2 + 2 NaOH = 2 NaCl + H2O + CuO
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Mn{+2} + SO4{-2} + H2O = MnO4{-} + SO3{-2} + H{+} =>
2 Mn{+2} + 5 SO4{-2} + 3 H2O = 2 MnO4{-} + 5 SO3{-2} + 6 H{+}
NaOH + HNO2 = H2O + NaNO2 =>
NaOH + HNO2 = H2O + NaNO2
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaOH + HNO2 = H2O + NaNO2 =>
NaOH + HNO2 = H2O + NaNO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
(H2SO4) + NaOH = (NaHSO4) + H2O =>
(H2SO4) + NaOH = (NaHSO4) + H2O
KIO3 + AgNO3 = KNO3 + AgIO3 =>
KIO3 + AgNO3 = KNO3 + AgIO3
Zn2 + Fe2Cl2 = Zn2Cl + Fe2 =>
2 Zn2 + Fe2Cl2 = 2 Zn2Cl + Fe2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CuCl2 + Pb(NO3)2 = Cu(NO3)2 + PbCl2 =>
CuCl2 + Pb(NO3)2 = Cu(NO3)2 + PbCl2
MnO4{-} + Al + H{+} = Mn{2+} + Al{3+} + H2O =>
3 MnO4{-} + 5 Al + 24 H{+} = 3 Mn{2+} + 5 Al{3+} + 12 H2O
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
PCl5 + NaOH = H3PO4 + H2O + NaCl =>
PCl5 + 5 NaOH = H3PO4 + H2O + 5 NaCl
Cr(OH)4{-} + OH{-} + H2O2 = CrO4{-2} + H2O =>
2 Cr(OH)4{-} + 2 OH{-} + 3 H2O2 = 2 CrO4{-2} + 8 H2O
Fe(PO4) + Na2(SO4) = Fe2(SO4)3 + Na3(PO4) =>
2 Fe(PO4) + 3 Na2(SO4) = Fe2(SO4)3 + 2 Na3(PO4)
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Cl2 + Ga = GaCl3 =>
3 Cl2 + 2 Ga = 2 GaCl3
(NH4)2(CrO7) = CrO3 + N2 + H2O =>
(NH4)2(CrO7) = CrO3 + N2 + 4 H2O
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
KI + AgNO3 = KNO3 + AgI =>
KI + AgNO3 = KNO3 + AgI
C2H6 + H2 = CH4 =>
C2H6 + H2 = 2 CH4
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/17/12
Équations équilibrées sur04/16/11
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