| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeCr2O4 + 4 C = Fe + 2 Cr + 4 CO
C14H29CO2CH3 + O2 = CO2 + H2O =>
C14H29CO2CH3 + 23 O2 = 16 CO2 + 16 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2SO4 + H2S = SO2 + H2O =>
3 H2SO4 + H2S = 4 SO2 + 4 H2O
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + I2 + K2SO4 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + 4 K2SO4 + 7 H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
Cr(OH)3 + HCl = CrCl3 + H2O =>
Cr(OH)3 + 3 HCl = CrCl3 + 3 H2O
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
CuS + HNO3 = Cu(NO3)2 + S + H2O + NO =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 4 H2O + 2 NO
Ga(Cl)3 + H2O = Ga(OH)3 + HCl =>
Ga(Cl)3 + 3 H2O = Ga(OH)3 + 3 HCl
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
Cr(OH)3 + KOH = K[Cr(OH)4] =>
Cr(OH)3 + KOH = K[Cr(OH)4]
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
Cr(OH)3 + KOH = K[Cr(OH)4] =>
Cr(OH)3 + KOH = K[Cr(OH)4]
Ga(Cl)3 + HF = Ga(F)3 + HCl =>
Ga(Cl)3 + 3 HF = Ga(F)3 + 3 HCl
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
Ca3P2 + KMnO4 + H2SO4 = Ca3(PO4)2 + K2SO4 + MnSO4 + H2O =>
5 Ca3P2 + 16 KMnO4 + 24 H2SO4 = 5 Ca3(PO4)2 + 8 K2SO4 + 16 MnSO4 + 24 H2O
Cr(OH)3 + KOH = K[Cr(OH)4] =>
Cr(OH)3 + KOH = K[Cr(OH)4]
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Na2S + FeCl2 = NaCl + FeS =>
Na2S + FeCl2 = 2 NaCl + FeS
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
Mn + H3AsO4 = MnO4 + HAsO2 + H2O =>
Mn + 4 H3AsO4 = MnO4 + 4 HAsO2 + 4 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
CH3COCH3 + NaOCl + KI = CHI3 + NaOH + Na(CH3COO) + KCl =>
CH3COCH3 + 3 NaOCl + 3 KI = CHI3 + 2 NaOH + Na(CH3COO) + 3 KCl
NaOH + MgSO4 = Na2SO4 + Mg(OH)2 =>
2 NaOH + MgSO4 = Na2SO4 + Mg(OH)2
SO2 + HNO2 = H2SO4 + NO =>
SO2 + 2 HNO2 = H2SO4 + 2 NO
CH3 + O2 = CO2 + H2O =>
4 CH3 + 7 O2 = 4 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
PbS + H2O2 = H2O + PbSO4 =>
PbS + 4 H2O2 = 4 H2O + PbSO4
C6H10O5 + H2O = C6H12O6 =>
C6H10O5 + H2O = C6H12O6
H + HNO3 = NO + H2O =>
3 H + HNO3 = NO + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KI + Br2 = K + BrI =>
2 KI + Br2 = 2 K + 2 BrI
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Ca(NO3)2 = CaO + NO2 + O2 =>
2 Ca(NO3)2 = 2 CaO + 4 NO2 + O2
CO + H2 = CH4 + H2O =>
CO + 3 H2 = CH4 + H2O
Au3{+} + {-} = Au =>
Au3{+} + e = 3 Au
C6H10O + NaBH4 + H3O = C6H11OH + Na[B(OH)4] =>
6 C6H10O + NaBH4 + 4 H3O = 6 C6H11OH + Na[B(OH)4]
Sn + NO3{-} + H{+} = SnO32{-} + NO2 + H2O =>
Sn + 63 NO3{-} + 62 H{+} = SnO32{-} + 63 NO2 + 31 H2O
Fe2O3 + S = Fe + SO2 =>
2 Fe2O3 + 3 S = 4 Fe + 3 SO2
Al(OH)3 + HBr = H2O + AlBr3 =>
Al(OH)3 + 3 HBr = 3 H2O + AlBr3
C3H8 + O2 = CO2 + CH4 =>
C3H8 + O2 = CO2 + 2 CH4
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
C3H8 + O2 = CO2 + CH4 =>
C3H8 + O2 = CO2 + 2 CH4
NaOH(aq) + FeSO4(aq) = FeOH(s) + NaSO4(aq) =>
NaOH(aq) + FeSO4(aq) = FeOH(s) + NaSO4(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/13/12
Équations équilibrées sur11/12/11
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