| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe + Cl + Na(OH) = Fe(OH) + NaCl
C9H18 + C8H18 = C17H36 =>
C9H18 + C8H18 = C17H36
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Mg + HCe = H + MgCe =>
Mg + HCe = H + MgCe
NaHSO3 + KClO3 = KCl + NaHSO4 =>
3 NaHSO3 + KClO3 = KCl + 3 NaHSO4
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
C5H10O + Na = C5H9ONa + H =>
C5H10O + Na = C5H9ONa + H
H2 + PO3 = H2O + P203 =>
609 H2 + 203 PO3 = 609 H2O + P203
CaCO3 + (NH4)2SO4 = NH3 + CaSO4 + H2O + CO2 =>
CaCO3 + (NH4)2SO4 = 2 NH3 + CaSO4 + H2O + CO2
C11H26NO2PS + HNO3 = NH4NO3 + CNO3 + C7H16PNO3 + H2S + H2 =>
3 C11H26NO2PS + 14 HNO3 = NH4NO3 + 12 CNO3 + 3 C7H16PNO3 + 3 H2S + 17 H2
Na3PO2S2 + HCl + H2O = H3PO4 + H2S + NaCl =>
Na3PO2S2 + 3 HCl + 2 H2O = H3PO4 + 2 H2S + 3 NaCl
Na2CO3(aq) + CaBr2 = CaCO3 + Na2Br2 =>
Na2CO3(aq) + CaBr2 = CaCO3 + Na2Br2
NH4(OH) + Fe(NO3)3 = NH4(NO3) + Fe(OH)3 =>
3 NH4(OH) + Fe(NO3)3 = 3 NH4(NO3) + Fe(OH)3
HCl + Ba(OH)2 = ClBaO2 + H =>
HCl + Ba(OH)2 = ClBaO2 + 3 H
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Ba(HCO3)2(aq) + HCl(aq) = BaCl2(aq) + H2O(l) + CO2(g) =>
Ba(HCO3)2(aq) + 2 HCl(aq) = BaCl2(aq) + 2 H2O(l) + 2 CO2(g)
Mg(HCO3)2 + Rb2CO3 = MgCO3 + RbHCO3 =>
Mg(HCO3)2 + Rb2CO3 = MgCO3 + 2 RbHCO3
CH3CH2CH2CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2CH2COOH + H2O =>
3 CH3CH2CH2CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2CH2COOH + 11 H2O
Cd + HNO3 = CdNO3 + NH4(NO3) + H2O =>
8 Cd + 10 HNO3 = 8 CdNO3 + NH4(NO3) + 3 H2O
Na2O + (NH4)2SO4 = Na2(SO4) + H2O + NH3 =>
Na2O + (NH4)2SO4 = Na2(SO4) + H2O + 2 NH3
MgCO3 + NH4Br = MgBr2 + (NH4)2CO3 =>
MgCO3 + 2 NH4Br = MgBr2 + (NH4)2CO3
HCOONa + H2SO4 = CO + NaHSO4 + H2O =>
HCOONa + H2SO4 = CO + NaHSO4 + H2O
Ba(OH)2 + NH4C2H3O2 = BaC2H3O2 + NH4(OH)2 =>
Ba(OH)2 + NH4C2H3O2 = BaC2H3O2 + NH4(OH)2
NiSO4 + NH4OH = [Ni(NH3)6]SO4 + H2O =>
NiSO4 + 6 NH4OH = [Ni(NH3)6]SO4 + 6 H2O
Pb(s) + PbO2(s) + H2SO4(aq) = PbSO4(aq) + H2O =>
Pb(s) + PbO2(s) + 2 H2SO4(aq) = 2 PbSO4(aq) + 2 H2O
GaS = Ga + S8 =>
8 GaS = 8 Ga + S8
H2S(aq) + Ca(OH)2(aq) = H2Ca(aq) + S(OH)2 =>
H2S(aq) + Ca(OH)2(aq) = H2Ca(aq) + S(OH)2
Fe(OH)2 + Cl2 = FeCl2 + H2O + O2 =>
2 Fe(OH)2 + 2 Cl2 = 2 FeCl2 + 2 H2O + O2
Fe2(SO4)3 + HCl = FeCl3 + H2(SO4) =>
Fe2(SO4)3 + 6 HCl = 2 FeCl3 + 3 H2(SO4)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
MgO2 + HCl = MgH2 + H2O + Cl2 =>
MgO2 + 6 HCl = MgH2 + 2 H2O + 3 Cl2
Cu(NO3)2 + Na2CuO4 = CuCuO4 + NaNO3 =>
Cu(NO3)2 + Na2CuO4 = CuCuO4 + 2 NaNO3
KBr(aq) + Pb(NO3)2(aq) = PbBr2(ppt) + KNO3(aq) =>
2 KBr(aq) + Pb(NO3)2(aq) = PbBr2(ppt) + 2 KNO3(aq)
Cu(OH)2 + HC2H3O2 = Cu(C2H3O2)2 + H2O =>
Cu(OH)2 + 2 HC2H3O2 = Cu(C2H3O2)2 + 2 H2O
C2H2 + Cu2Cl2 = Cu2C2 + HCl =>
C2H2 + Cu2Cl2 = Cu2C2 + 2 HCl
C12H22O11 + O2(g) = H20(l) + CO2(g) =>
10 C12H22O11 + 65 O2(g) = 11 H20(l) + 120 CO2(g)
PbO + Ag = PbAg + O =>
PbO + Ag = PbAg + O
S{2-} + H2O = SO4{2-} + H{+} + e =>
S{2-} + 4 H2O = SO4{2-} + 8 H{+} + 8e
(NH2)2CO = NH3 + C3H6N6 + CO2 =>
6(NH2)2CO = 6 NH3 + C3H6N6 + 3 CO2
PCl3O + H2SnCl4 + HCl + H2O = H2SnCl6 + H3PO2 =>
PCl3O + 2 H2SnCl4 + HCl + H2O = 2 H2SnCl6 + H3PO2
Cu(HSO3)2 + Al(OH)3 = Cu(OH)2 + Al(HSO3)3 =>
3 Cu(HSO3)2 + 2 Al(OH)3 = 3 Cu(OH)2 + 2 Al(HSO3)3
BaSO4 + HNO3 = BaSHNO7 =>
BaSO4 + HNO3 = BaSHNO7
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
Cr2(SO4)3 + NaClO + NaOH = NaCrO4 + NaCl + H2O + Na2SO4 =>
Cr2(SO4)3 + 4 NaClO + 8 NaOH = 2 NaCrO4 + 4 NaCl + 4 H2O + 3 Na2SO4
AlCl3 + Na2CO3 = Al2O3 + NaCl + CO2 =>
2 AlCl3 + 3 Na2CO3 = Al2O3 + 6 NaCl + 3 CO2
NH3 + CuO = N2 + Cu + H2O =>
2 NH3 + 3 CuO = N2 + 3 Cu + 3 H2O
NaSO3 + HNO3 = Na(NO3)2 + H2O + SO2 =>
NaSO3 + 2 HNO3 = Na(NO3)2 + H2O + SO2
Mg + NaHCO3 = MgCO3 + Na + H =>
Mg + NaHCO3 = MgCO3 + Na + H
NH2 + CO = (NH2)2CO =>
2 NH2 + CO = (NH2)2CO
KBrO3 + I2 = KIO + BrO2 =>
2 KBrO3 + I2 = 2 KIO + 2 BrO2
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