| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ba(OH)2 + NaCO3 = BaCO3 + Na(OH)2
K3[Mn(C2O4)3] + KOH = MnOOH + K2C2O4 + H2O =>
K3[Mn(C2O4)3] + 3 KOH = MnOOH + 3 K2C2O4 + H2O
KOH + KCr(OH)4 + H2O2 = K2CrO4 + H2O =>
2 KOH + 2 KCr(OH)4 + 3 H2O2 = 2 K2CrO4 + 8 H2O
CH3OHCuO = HCHOH2OCu =>
CH3OHCuO = HCHOH2OCu
H2S + FeCl3 = FeCl + HCl + S =>
H2S + FeCl3 = FeCl + 2 HCl + S
(NH4)2C2O4 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + (NH4)2SO4 + H2O =>
5(NH4)2C2O4 + 2 KMnO4 + 8 H2SO4 = 10 CO2 + 2 MnSO4 + K2SO4 + 5(NH4)2SO4 + 8 H2O
Na2S2O3*5H2O + HCl = NaCl + SO2 + H2O + S =>
Na2S2O3*5H2O + 2 HCl = 2 NaCl + SO2 + 6 H2O + S
CH3CCCH3 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + CH3COOH =>
5 CH3CCCH3 + 6 KMnO4 + 9 H2SO4 = 6 MnSO4 + 3 K2SO4 + 4 H2O + 10 CH3COOH
Cu2(OH)2CO3 + H3PO4 = CuCO3 + Cu3(PO4)2 + H2O =>
3 Cu2(OH)2CO3 + 2 H3PO4 = 3 CuCO3 + Cu3(PO4)2 + 6 H2O
CH3CCCH3 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + CH3COOH =>
5 CH3CCCH3 + 6 KMnO4 + 9 H2SO4 = 6 MnSO4 + 3 K2SO4 + 4 H2O + 10 CH3COOH
H{-} + Br{+} = HBr =>
H{-} + Br{+} = HBr
O6 = O8 =>
4 O6 = 3 O8
Zn(NO3)2 + Cu + H2SO4 = ZnSO4 + CuSO4 + NO + H2O =>
Zn(NO3)2 + 3 Cu + 4 H2SO4 = ZnSO4 + 3 CuSO4 + 2 NO + 4 H2O
H2SO4 + Pb(C2H3O2)2 = Pb(SO4) + CH3COOH =>
H2SO4 + Pb(C2H3O2)2 = Pb(SO4) + 2 CH3COOH
NH4Cl + K2[HgBr2I2] + KOH = HgO*Hg(NH2)I + KCl + KBr + KI + H2O =>
NH4Cl + 2 K2[HgBr2I2] + 4 KOH = HgO*Hg(NH2)I + KCl + 4 KBr + 3 KI + 3 H2O
C2H4 + HCl = CH3Cl =>
C2H4 + 2 HCl = 2 CH3Cl
CH4 + O24 = CO + H2O =>
8 CH4 + O24 = 8 CO + 16 H2O
Cl2O7Ca(OH)2 = Ca(ClO4)2H2O =>
Cl2O7Ca(OH)2 = Ca(ClO4)2H2O
Ca2C4 + H2O = C2H2 + Ca(OH)2 =>
Ca2C4 + 4 H2O = 2 C2H2 + 2 Ca(OH)2
CuBr2(aq) + Pb(CH3COO)2(aq) = PbBr2(s) + Cu(CH3COO)2(aq) =>
CuBr2(aq) + Pb(CH3COO)2(aq) = PbBr2(s) + Cu(CH3COO)2(aq)
Cu(NO3)2 + Li = Li(NO3)2 + Cu =>
Cu(NO3)2 + Li = Li(NO3)2 + Cu
Br2 + C3H6 = C3H6Br3 =>
3 Br2 + 2 C3H6 = 2 C3H6Br3
FeSO4 + KMnO4 + H2SO4 = Fe(SO4)3 + MnSO4 + K2SO4 + H2O =>
5 FeSO4 + 4 KMnO4 + 16 H2SO4 = 5 Fe(SO4)3 + 4 MnSO4 + 2 K2SO4 + 16 H2O
C2H3OH + CuO = CH3COOH + Cu =>
C2H3OH + CuO = CH3COOH + Cu
Fe(OH)3 + Al2O3 = Fe2O3 + Al(OH)3 =>
2 Fe(OH)3 + Al2O3 = Fe2O3 + 2 Al(OH)3
CaCe2 + K3Po4 = Ca3(Po4)2 + KCe =>
3 CaCe2 + 2 K3Po4 = Ca3(Po4)2 + 6 KCe
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaO + CO2 = NaCO3 =>
NaO + CO2 = NaCO3
PbN2O6 + HCl = PbCl2 + HNO3 =>
PbN2O6 + 2 HCl = PbCl2 + 2 HNO3
K2S5 + KOH + H2O2 = K2SO4 + H2O =>
K2S5 + 8 KOH + 16 H2O2 = 5 K2SO4 + 20 H2O
KMnO4H2O2 = KMnO4 + H2O2 =>
KMnO4H2O2 = KMnO4 + H2O2
H2S + KCl = HCl + K2S =>
H2S + 2 KCl = 2 HCl + K2S
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
(NH4)2C2O4 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + (NH4)2SO4 + H2O =>
5(NH4)2C2O4 + 2 KMnO4 + 8 H2SO4 = 10 CO2 + 2 MnSO4 + K2SO4 + 5(NH4)2SO4 + 8 H2O
H2C2O4 + Ba(OH)2 = BaC2O4 + H2O =>
H2C2O4 + Ba(OH)2 = BaC2O4 + 2 H2O
Fe + H2 = FeH2 =>
Fe + H2 = FeH2
Cr + C = Cr4C3 =>
4 Cr + 3 C = Cr4C3
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
CH3CH2COH + KMnO4 + H2SO4 = CH3CH2COOH + K2SO4 + MnSO4 + H2O =>
5 CH3CH2COH + 2 KMnO4 + 3 H2SO4 = 5 CH3CH2COOH + K2SO4 + 2 MnSO4 + 3 H2O
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
Al + HPO4 = Al(HPO4)3 =>
Al + 3 HPO4 = Al(HPO4)3
H2C2O4 + Ba(OH)2 = Ba(HC2O4)2 + H2O =>
2 H2C2O4 + Ba(OH)2 = Ba(HC2O4)2 + 2 H2O
NaCrO4 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 NaCrO4 + 4 NaNO2 + 4 H2SO4 = 4 NaNO3 + Cr2(SO4)3 + Na2SO4 + 4 H2O
Al2S3 + H2O = Al2O3 + H2S =>
Al2S3 + 3 H2O = Al2O3 + 3 H2S
Cu(No3)2NaI = CuINa(No3)2 =>
Cu(No3)2NaI = CuINa(No3)2
Mn2O3 + C = Mn3O4 + CO =>
3 Mn2O3 + C = 2 Mn3O4 + CO
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
C6H5ONa + CO2 = C6H4OHCOONa =>
C6H5ONa + CO2 = C6H4OHCOONa
CH4 + O24 = CO + H2O =>
8 CH4 + O24 = 8 CO + 16 H2O
S3 = S =>
S3 = 3 S
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