| Équations équilibrées la veille | Équations équilibrées le lendemain |
5 C3H8 + 15 O2 = 15 CO2 + 2 H20
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cu + H{+} + NO3{-} = NO2 + H2O + Cu{2+} =>
Cu + 4 H{+} + 2 NO3{-} = 2 NO2 + 2 H2O + Cu{2+}
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
NaBH4 + BF3 = B2H6 + NaBF4 =>
3 NaBH4 + 4 BF3 = 2 B2H6 + 3 NaBF4
Al2(SO4)3 = Al{3+} + SO4{2-} =>
Al2(SO4)3 = 2 Al{3+} + 3 SO4{2-}
Sn + HF = SnF2 + H2 =>
Sn + 2 HF = SnF2 + H2
Cd + SnCl2 = CdCl2 + Sn =>
Cd + SnCl2 = CdCl2 + Sn
Ag2S + HCl = AgCl + H2S =>
Ag2S + 2 HCl = 2 AgCl + H2S
Ce(IO3)4 + H2C2O4 = Ce2(C2O4)3 + I2 + CO2 + H2O =>
2 Ce(IO3)4 + 24 H2C2O4 = Ce2(C2O4)3 + 4 I2 + 42 CO2 + 24 H2O
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
MoO3 + Zn + H2SO4 = Mo2O3 + ZnSO4 + H2O =>
2 MoO3 + 3 Zn + 3 H2SO4 = Mo2O3 + 3 ZnSO4 + 3 H2O
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
KBr + H2SO4 + MnO2 = KHSO4 + MnSO4 + H2O + Br2 =>
2 KBr + 3 H2SO4 + MnO2 = 2 KHSO4 + MnSO4 + 2 H2O + Br2
KMnO4 + HBr = MnBr2 + Br2 + KBr + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 5 Br2 + 2 KBr + 8 H2O
PbCrO4 + HCl + FeSO4 = PbCl2 + Cr2(SO4)3 + FeCl3 + H2O + Fe2(SO4)3 =>
2 PbCrO4 + 16 HCl + 6 FeSO4 = 2 PbCl2 + Cr2(SO4)3 + 4 FeCl3 + 8 H2O + Fe2(SO4)3
CaO + C = CO + CaC2 =>
CaO + 3 C = CO + CaC2
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
NaHCO3 + HC2H3O2 = NaC2H3O2 + H2CO3 =>
NaHCO3 + HC2H3O2 = NaC2H3O2 + H2CO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2CO3 + H2SO4 = Na2SO4 + H2CO3 =>
Na2CO3 + H2SO4 = Na2SO4 + H2CO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
K2CrO4 + HCl = KCl + K2Cr2O7 + H2O =>
2 K2CrO4 + 2 HCl = 2 KCl + K2Cr2O7 + H2O
K2CrO4 + HCl + Zn = ZnCl2 + CrCl3 + H2O + KCl =>
2 K2CrO4 + 16 HCl + 3 Zn = 3 ZnCl2 + 2 CrCl3 + 8 H2O + 4 KCl
K2CrO4 + HCl + KI + {-} = I2 + KCl + Cr(OH)3 + OH{-1} =>
K2CrO4 + 4 HCl + 2 KI + {-} = I2 + 4 KCl + Cr(OH)3 + OH{-1}
Na2CO3 + H2SO4 = NaHSO4 + H2CO3 =>
Na2CO3 + 2 H2SO4 = 2 NaHSO4 + H2CO3
HCl + K2CrO4 + KI = Cr(OH)3 + H2O + I2 + KCl =>
10 HCl + 2 K2CrO4 + 6 KI = 2 Cr(OH)3 + 2 H2O + 3 I2 + 10 KCl
Na2CO3 + H2SO4 = Na2SO4 + H2CO3 =>
Na2CO3 + H2SO4 = Na2SO4 + H2CO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
O2 + KCl = KClO3 =>
3 O2 + 2 KCl = 2 KClO3
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
CH3COOH + NaCO3 = CH3COONa + H2O + CO2 =>
9 CH3COOH + 8 NaCO3 = 8 CH3COONa + 6 H2O + 10 CO2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
O2 + KCl = KClO3 =>
3 O2 + 2 KCl = 2 KClO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KMnO4 + HCl = MnCl2 + KCl + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 MnCl2 + 2 KCl + 8 H2O + 5 Cl2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/07
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