| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2O3 + 3 C = 2 Fe + 3 CO
CH3COOH + O2 = H2O + CO2 =>
CH3COOH + 2 O2 = 2 H2O + 2 CO2
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
Na2S2O3 + HCl = NaCl + SO2 + S + H20 =>
10 Na2S2O3 + 20 HCl = 20 NaCl + 15 SO2 + 5 S + H20
K2 + O2 = KO2 =>
K2 + 2 O2 = 2 KO2
C6H4(NO2)COOH + HCl + Zn = C6H4(NH2)COOH + ZnCl2 + H2O =>
C6H4(NO2)COOH + 6 HCl + 3 Zn = C6H4(NH2)COOH + 3 ZnCl2 + 2 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
sulfuricacid + sodiumhydroxide = sodiumsulfate + water =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AGNO3 + KBr = AGBr + KNO3 =>
AGNO3 + KBr = AGBr + KNO3
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
Fe2(So4)3 + NH3 + H2O = Fe(OH)3 + (NH4)2So4 =>
Fe2(So4)3 + 6 NH3 + 6 H2O = 2 Fe(OH)3 + 3(NH4)2So4
Fe + AgNo3 = Fe(No3)2 + Ag =>
Fe + 2 AgNo3 = Fe(No3)2 + 2 Ag
CH4 + SO2 = S + CO + H2O =>
2 CH4 + 3 SO2 = 3 S + 2 CO + 4 H2O
CH3COONa + NaOH = Na2CO3 + CH4 =>
CH3COONa + NaOH = Na2CO3 + CH4
As + NaOH = Na3AsO3 + AsH3 =>
2 As + 3 NaOH = Na3AsO3 + AsH3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2SiO3 + H2SO4 = K2SO4 + H2SiO3 =>
K2SiO3 + H2SO4 = K2SO4 + H2SiO3
Cu(OH)2 + KOH = K2(Cu(OH)4) =>
Cu(OH)2 + 2 KOH = K2(Cu(OH)4)
FeS2 = Fe3S4 + S2 =>
3 FeS2 = Fe3S4 + S2
CH3COOH + C2H5OH = CH3COOC2H5 + H2O =>
CH3COOH + C2H5OH = CH3COOC2H5 + H2O
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH3COOH + Zn = Zn(CH3COO)2 + H2 =>
2 CH3COOH + Zn = Zn(CH3COO)2 + H2
C2H4 + KMnO4 + H2O = C2H6O2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H6O2 + 2 MnO2 + 2 KOH
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Al(OH)3 + H2So4 = Al2(So4)3 + H2O =>
2 Al(OH)3 + 3 H2So4 = Al2(So4)3 + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H{+} + Fe{+2} + Cr2O7{-2} = Cr{3+} + Fe{3+} + H2O =>
14 H{+} + 6 Fe{+2} + Cr2O7{-2} = 2 Cr{3+} + 6 Fe{3+} + 7 H2O
FE + Cl2 = FECl3 =>
2 FE + 3 Cl2 = 2 FECl3
Ag(NH3)2OH + H2S = Ag2S + H2O + NH3 =>
2 Ag(NH3)2OH + H2S = Ag2S + 2 H2O + 4 NH3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Cu + AgNo3 = Cu(No3)2 + Ag =>
Cu + 2 AgNo3 = Cu(No3)2 + 2 Ag
MnSO4 + KClO4 + KOH = K2MnO4 + KCl + K2SO4 + H2O =>
2 MnSO4 + KClO4 + 8 KOH = 2 K2MnO4 + KCl + 2 K2SO4 + 4 H2O
Pb(C2H3O2)2 + KI = PbI2 + KC2H3O2 =>
Pb(C2H3O2)2 + 2 KI = PbI2 + 2 KC2H3O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
MG + H2O = MGO + H2 =>
MG + H2O = MGO + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mn2O3 + Si = SiO2 + Mn =>
2 Mn2O3 + 3 Si = 3 SiO2 + 4 Mn
Hg + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O
Zn + AGNO3 = AG + Zn(NO3)2 =>
Zn + 2 AGNO3 = 2 AG + Zn(NO3)2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
FeCl2 + Zn = Fe + ZnCl2 =>
FeCl2 + Zn = Fe + ZnCl2
Mg + HNO3 = Mg(NO3)2 + N2O + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
FeCl2 + Zn = Fe + ZnCl2 =>
FeCl2 + Zn = Fe + ZnCl2
C3H8O + Na = C3H6ONa + H2 =>
C3H8O + Na = C3H6ONa + H2
BaSO4 + C = BaS + CO2 =>
BaSO4 + 2 C = BaS + 2 CO2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Zn + CH3COOH = Zn(CH3COO) + H2 =>
2 Zn + 2 CH3COOH = 2 Zn(CH3COO) + H2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/22/18
Équations équilibrées sur05/22/17
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