| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Al2O3 + 9 Fe = 3 Fe3O4 + 4 Al2
S2O3{2-} + H2O2 + H{+} = S4O6{2-} + H2O =>
2 S2O3{2-} + H2O2 + 2 H{+} = S4O6{2-} + 2 H2O
SO2 + KMnO4 + H2O = SO4Mn + K2SO4 + H2SO4 =>
5 SO2 + 2 KMnO4 + 2 H2O = 2 SO4Mn + K2SO4 + 2 H2SO4
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
NiO + TiO2 + (NH4)H2PO4 = NiTiOPO4 + O2 + NH3 + H2O =>
4 NiO + 4 TiO2 + 4(NH4)H2PO4 = 4 NiTiOPO4 + O2 + 4 NH3 + 6 H2O
SnS2 + HNO3 = Sn(NO3)4 + H2SO4 + NO + H2O =>
3 SnS2 + 28 HNO3 = 3 Sn(NO3)4 + 6 H2SO4 + 16 NO + 8 H2O
MeOH + HKO = MeKO + HOH =>
MeOH + HKO = MeKO + HOH
Al(OH)3 + NaOH + H2O = Na[Al(OH)4(H2O)2] =>
Al(OH)3 + NaOH + 2 H2O = Na[Al(OH)4(H2O)2]
Ca + Cu2 = CaCu2 =>
Ca + Cu2 = CaCu2
Pb(NO3)2 + MgS = PbS + Mg(NO3)2 =>
Pb(NO3)2 + MgS = PbS + Mg(NO3)2
CH3CH(OH)CH3 + CuO = CH3COCH3 + H2O + Cu =>
CH3CH(OH)CH3 + CuO = CH3COCH3 + H2O + Cu
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
KOH + HClO = HO + KCl =>
KOH + HClO = 2 HO + KCl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CrO5 + H2O2 + H{+} = Cr{3+} + H2O + O2 =>
2 CrO5 + 7 H2O2 + 6 H{+} = 2 Cr{3+} + 10 H2O + 7 O2
FeSO4 + H2O2 = Fe(OH)3 + SO4 =>
2 FeSO4 + 3 H2O2 = 2 Fe(OH)3 + 2 SO4
Ca(Au(CN)3) + HCl = Au(CN)3 + CaCl2 + H2 =>
Ca(Au(CN)3) + 2 HCl = Au(CN)3 + CaCl2 + H2
KCO3{-2} + NaOH = KOH + NaCO3{-2} =>
KCO3{-2} + NaOH = KOH + NaCO3{-2}
Fe + S = Fe2S3 =>
2 Fe + 3 S = Fe2S3
NaCH3COO + NiSO4 = NiCH3COO + NaSO4 =>
NaCH3COO + NiSO4 = NiCH3COO + NaSO4
BaO + LiOH = Li2O + Ba(OH)2 =>
BaO + 2 LiOH = Li2O + Ba(OH)2
C2H5OH + K2Cr2O7 + HNO3 = Cr2(NO3)3 + K2NO3 + CH3COOH + H2O =>
5 C2H5OH + 2 K2Cr2O7 + 8 HNO3 = 2 Cr2(NO3)3 + 2 K2NO3 + 5 CH3COOH + 9 H2O
Mn + O2 = Mn2O2 =>
2 Mn + O2 = Mn2O2
CH3COH + Na2S2O8 + NaOH = CO2 + Na2SO4 + H2O =>
CH3COH + 5 Na2S2O8 + 10 NaOH = 2 CO2 + 10 Na2SO4 + 7 H2O
NaBH4 + (CH3)3CNH3Cl = (CH3)3CNH2BH3 + NaCl + H2 =>
NaBH4 + (CH3)3CNH3Cl = (CH3)3CNH2BH3 + NaCl + H2
K2Cr2O7 + H2SO4 + K2SO3 = Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 K2SO3 = Cr2(SO4)3 + 4 K2SO4 + 4 H2O
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Cr2O7{-2} + I{-} + H{+} = Cr2{+} + I2 + H2O =>
2 Cr2O7{-2} + 22 I{-} + 28 H{+} = 2 Cr2{+} + 11 I2 + 14 H2O
C2H2 + Br2 = C2H2Br2 =>
C2H2 + Br2 = C2H2Br2
C + O2 = CO2 =>
C + O2 = CO2
H4C + O2 = CO2 + OH2 =>
H4C + 2 O2 = CO2 + 2 OH2
CH3CHO + KMnO4 + HCl = MnCl2 + H2O + KCl + CH3COOH =>
5 CH3CHO + 2 KMnO4 + 6 HCl = 2 MnCl2 + 3 H2O + 2 KCl + 5 CH3COOH
Na2O2 + H2O1 = Na1O1H1 + O2 =>
2 Na2O2 + 2 H2O1 = 4 Na1O1H1 + O2
H2*Br2 = HBr =>
H2*Br2 = 2 HBr
CH4Br + NaOH = NaBr + CH4OH =>
CH4Br + NaOH = NaBr + CH4OH
Pb + O2 = Pb3O4 =>
3 Pb + 2 O2 = Pb3O4
H{+} + CrO4{-2} + I{-} = Cr{3+} + IO3{-} + H2O =>
10 H{+} + 2 CrO4{-2} + I{-} = 2 Cr{3+} + IO3{-} + 5 H2O
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
NH2OH + J2 = HJ + N2 + H2O =>
2 NH2OH + J2 = 2 HJ + N2 + 2 H2O
CrCl2 + H2SO4 = Cr2(SO4)3 + HCl + SO2 + H2O =>
2 CrCl2 + 4 H2SO4 = Cr2(SO4)3 + 4 HCl + SO2 + 2 H2O
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Pb(No3)2 + KOH = Pb(OH)2 + KNo3 =>
Pb(No3)2 + 2 KOH = Pb(OH)2 + 2 KNo3
(NH4) + (OH) = NH4OH =>
(NH4) + (OH) = NH4OH
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
CuI + NH3 = (Cu(NH3)4) + I2 =>
2 CuI + 8 NH3 = 2(Cu(NH3)4) + I2
CuSO4(ac) + Zn = Cu(s) + ZnSO4(ac) =>
CuSO4(ac) + Zn = Cu(s) + ZnSO4(ac)
CH3CH2OH + Cr2O7{2-} + H{+} = CH3COOH + H2O + Cr{3+} =>
3 CH3CH2OH + 2 Cr2O7{2-} + 16 H{+} = 3 CH3COOH + 11 H2O + 4 Cr{3+}
NaBH4(s) + HCl(aq) + H2O(l) = NaCl(aq) + H3BO(aq) + H2(g) =>
NaBH4(s) + HCl(aq) + H2O(l) = NaCl(aq) + H3BO(aq) + 2 H2(g)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/24/25
Équations équilibrées sur04/23/24
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