| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cu + Ag(No3)2 = 2 CuNo3 + Ag
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
Ca(s) + Cl(g) = CaCl =>
Ca(s) + Cl(g) = CaCl
Fe + HNO3 = Fe(NO3)3 + N2O + H2O =>
8 Fe + 30 HNO3 = 8 Fe(NO3)3 + 3 N2O + 15 H2O
Na2SO4 + Al(OH)3 = Al2(SO4)3 + NaOH =>
3 Na2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 NaOH
FeCl2 + H2SO4 + KMnO4 = Fe2(SO4)3 + K2SO4 + H2O + MnSO4 + Cl2 =>
10 FeCl2 + 24 H2SO4 + 6 KMnO4 = 5 Fe2(SO4)3 + 3 K2SO4 + 24 H2O + 6 MnSO4 + 10 Cl2
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
Ca(s) + Cl(g) = CaCl2 =>
Ca(s) + 2 Cl(g) = CaCl2
K4Fe(CN)6 + CoCl2 = Co2Fe(CN)6 + KCl =>
K4Fe(CN)6 + 2 CoCl2 = Co2Fe(CN)6 + 4 KCl
Ca(s) + Cl2(g) = CaCl2 =>
Ca(s) + Cl2(g) = CaCl2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Na + ZnI2 = NaI + Zn =>
2 Na + ZnI2 = 2 NaI + Zn
FeCl3 + KCSN = Fe(CSN)3 + KCl =>
FeCl3 + 3 KCSN = Fe(CSN)3 + 3 KCl
NaBr + Cl = Br + NaCl =>
NaBr + Cl = Br + NaCl
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
NaBr + Cl2 = NaCl + Br =>
2 NaBr + Cl2 = 2 NaCl + 2 Br
K4Fe(CN)6 + Pb(NO3)2 = Pb2Fe(CN)6 + KNO3 =>
K4Fe(CN)6 + 2 Pb(NO3)2 = Pb2Fe(CN)6 + 4 KNO3
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
K2SO3 + KMnO4 + KHSO4 = K2SO4 + MnSO4 + H2O =>
5 K2SO3 + 2 KMnO4 + 6 KHSO4 = 9 K2SO4 + 2 MnSO4 + 3 H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
C30H30O16 + NaOH = C30H22O16Na8 + H2O =>
C30H30O16 + 8 NaOH = C30H22O16Na8 + 8 H2O
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
C7H6O3 + O2 = CO2 + H2O =>
C7H6O3 + 7 O2 = 7 CO2 + 3 H2O
FeO + Al = Fe + Al2O3 =>
3 FeO + 2 Al = 3 Fe + Al2O3
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
K4Fe(CN)6 + CuSo4 = Cu2Fe(CN)6 + K2So4 =>
K4Fe(CN)6 + 2 CuSo4 = Cu2Fe(CN)6 + 2 K2So4
Zn + NO3{-} + H{+} = Zn{+2} + N2O + H2O =>
4 Zn + 2 NO3{-} + 10 H{+} = 4 Zn{+2} + N2O + 5 H2O
K4Fe(CN)6 + CuSO4 = Cu2Fe(CN)6 + K2SO4 =>
K4Fe(CN)6 + 2 CuSO4 = Cu2Fe(CN)6 + 2 K2SO4
KF = F(g) + K(s) =>
KF = F(g) + K(s)
KF = F2(g) + K(s) =>
2 KF = F2(g) + 2 K(s)
H2O + As2S3 + HS{-} + HS2{-} = [AsS4]{3-} + H3O{+} =>
3 H2O + As2S3 + HS{-} + 2 HS2{-} = 2[AsS4]{3-} + 3 H3O{+}
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
K2SO3 + KMnO4 + H2O = K2SO4 + KOH + MnO2 =>
3 K2SO3 + 2 KMnO4 + H2O = 3 K2SO4 + 2 KOH + 2 MnO2
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
Pb(CH3COO)4 + CuBr2 = Cu(CH3COO)2 + PbBr4 =>
Pb(CH3COO)4 + 2 CuBr2 = 2 Cu(CH3COO)2 + PbBr4
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
P(s) + Cl(g) = PCl5 =>
P(s) + 5 Cl(g) = PCl5
CuSO4 + Na3PO4 = Cu3(PO4)2 + Na2SO4 =>
3 CuSO4 + 2 Na3PO4 = Cu3(PO4)2 + 3 Na2SO4
OH{-} + As2S3 + HS{-} + HS2{-} = [AsS4]{3-} + H2O =>
3 OH{-} + As2S3 + HS{-} + 2 HS2{-} = 2[AsS4]{3-} + 3 H2O
Sn + O2 = SnO2 =>
Sn + O2 = SnO2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
K2Cr2O7 + KBr + H2SO4 = Cr2(SO4)3 + K2SO4 + Br2 + H2O =>
K2Cr2O7 + 6 KBr + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 Br2 + 7 H2O
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Al + HF = H2 + AlF =>
2 Al + 2 HF = H2 + 2 AlF
HCl + Na2SO3 = H2SO3 + NaCl =>
2 HCl + Na2SO3 = H2SO3 + 2 NaCl
TiCl4 + Mg = Ti + MgCl2 =>
TiCl4 + 2 Mg = Ti + 2 MgCl2
FeCl3 + ZnCl2 = FeCl2 + ZnCl3 =>
FeCl3 + ZnCl2 = FeCl2 + ZnCl3
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + NH4NO2 =>
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + 2 NH4NO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/18/13
Équations équilibrées sur04/17/12
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