| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cl + Fe = FeCl2
H2SO4 + KBr = K2SO4 + Br + SO2 + H2O =>
2 H2SO4 + 2 KBr = K2SO4 + 2 Br + SO2 + 2 H2O
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
H2SO4(aq) + K(OH)(aq) = K2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 K(OH)(aq) = K2SO4(aq) + 2 H2O(l)
CrCl3*6H2O + C4H8O2 + (NH2)2CO = Cr(acac)3 + NH4Cl + CO2 + H2O =>
60 CrCl3*6H2O + 9 C4H8O2 + 90(NH2)2CO = 20 Cr(acac)3 + 180 NH4Cl + 126 CO2 + 216 H2O
Fe(NO3)2 + H2S = FeS + H(NO3) =>
Fe(NO3)2 + H2S = FeS + 2 H(NO3)
MgCO3*CaCO3 = MgO + CO2 + CaO =>
MgCO3*CaCO3 = MgO + 2 CO2 + CaO
C6H12O6 + C2H5OH = C3H6O + H2O =>
C6H12O6 + 6 C2H5OH = 6 C3H6O + 6 H2O
Br + O2 = BrO3 =>
2 Br + 3 O2 = 2 BrO3
Cr2O72{-} + AsO33{-} + H{+} = Cr3 + AsO43{-} + H2O =>
60 Cr2O72{-} + 429 AsO33{-} + 60 H{+} = 40 Cr3 + 429 AsO43{-} + 30 H2O
((CH3)3N) + H2O = (CH3)3NH + HO =>
((CH3)3N) + H2O = (CH3)3NH + HO
K{+} + As{3-} = K + As =>
3 K{+} + As{3-} = 3 K + As
Hg2SO4 + NH4NO3 = Hg(NO3) + (NH4)2SO4 =>
Hg2SO4 + 2 NH4NO3 = 2 Hg(NO3) + (NH4)2SO4
KJ + Ag = AgJ + K =>
KJ + Ag = AgJ + K
C5H7NO2 + NO3 = CO2 + H2O + N2 =>
12 C5H7NO2 + 46 NO3 = 60 CO2 + 42 H2O + 29 N2
C42H34O42Ba9 + O2 = BaO + CO2 + H2O =>
C42H34O42Ba9 + 34 O2 = 9 BaO + 42 CO2 + 17 H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Mg6 + O6 = MgO2 =>
Mg6 + 2 O6 = 6 MgO2
K + M9Br2 = KBr + M9 =>
2 K + M9Br2 = 2 KBr + M9
Na2OH + AgNO3 = Na2NO3 + AgOH =>
Na2OH + AgNO3 = Na2NO3 + AgOH
Al(C9H6NO)3 + HCl + KBr = C9H7NO + KCl + AlBr3 =>
Al(C9H6NO)3 + 3 HCl + 3 KBr = 3 C9H7NO + 3 KCl + AlBr3
Br(CH2)8Br + NaCN = Br(CH2)8CN + NaBr =>
Br(CH2)8Br + NaCN = Br(CH2)8CN + NaBr
ClNH4 + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 ClNH4 + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H(IO3) + Fe(OH)2 = H2O + Fe(IO3)2 =>
2 H(IO3) + Fe(OH)2 = 2 H2O + Fe(IO3)2
NH4Cl(aq) + Na2CO3(aq) = NaCl + CO2 + H2O + NH3 =>
2 NH4Cl(aq) + Na2CO3(aq) = 2 NaCl + CO2 + H2O + 2 NH3
Fe2(CO3)3 + HNO3 = Fe(NO3)3 + H2OCO2 =>
Fe2(CO3)3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2OCO2
Al3 + HClO4 = Al3ClO4 + H =>
Al3 + HClO4 = Al3ClO4 + H
Sr(Cl3)2 = Sr + Cl3 =>
Sr(Cl3)2 = Sr + 2 Cl3
Na2(SO4) + Cu(NO3)2 = Na(NO3) + Cu(SO4) =>
Na2(SO4) + Cu(NO3)2 = 2 Na(NO3) + Cu(SO4)
Al2O3 + C + N2 = CO + AlN =>
Al2O3 + 3 C + N2 = 3 CO + 2 AlN
H2SO4 + CsOH = Cs2(SO4) + H2O =>
H2SO4 + 2 CsOH = Cs2(SO4) + 2 H2O
K2O + ZnO = K2ZnO2 =>
K2O + ZnO = K2ZnO2
N{2}{+} = N0{2} =>
N{2}{+} = N0{2}
Ag(NH3)2(aq) + HCl(aq) = AgCl(s) + NH3(aq) + H(aq) =>
Ag(NH3)2(aq) + HCl(aq) = AgCl(s) + 2 NH3(aq) + H(aq)
NO2(s) + H2O(l) + O2(g) = HNO3(aq) =>
4 NO2(s) + 2 H2O(l) + O2(g) = 4 HNO3(aq)
CaSO4 + HNO3 = Ca(NO3)2 + H2SO4 =>
CaSO4 + 2 HNO3 = Ca(NO3)2 + H2SO4
CH3CH2CH2CH2CH3 + I2 = CH3CH2CH2CHICH3 + HI =>
CH3CH2CH2CH2CH3 + I2 = CH3CH2CH2CHICH3 + HI
Na2(CO3) + CdF2 = NaF + Cd2(CO3)2 =>
2 Na2(CO3) + 2 CdF2 = 4 NaF + Cd2(CO3)2
NaCl(l) + KBr(l) = NaBr(l) + KCl(l) =>
NaCl(l) + KBr(l) = NaBr(l) + KCl(l)
Fe2O3 + Co = CoO3 + Fe =>
Fe2O3 + Co = CoO3 + 2 Fe
SrS + Li3N = SrN + Li3S =>
SrS + Li3N = SrN + Li3S
H2SO4 + BaCl2 = Ba2SO4 + HCl2 =>
H2SO4 + 2 BaCl2 = Ba2SO4 + 2 HCl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C4H6Br2 + KOH = KBr + C4H8O2 =>
C4H6Br2 + 2 KOH = 2 KBr + C4H8O2
CaSiO3 + CO2 = CaCO3SiO2 =>
CaSiO3 + CO2 = CaCO3SiO2
Zn + Pb(CH3COO)2 = Pb + Zn(C2H3O2)2 =>
Zn + Pb(CH3COO)2 = Pb + Zn(C2H3O2)2
FeS2 + O2 = Fe2O3 + SO3 =>
4 FeS2 + 15 O2 = 2 Fe2O3 + 8 SO3
CaS + H2SO4 = CaSO4 + S + H2O =>
3 CaS + 4 H2SO4 = 3 CaSO4 + 4 S + 4 H2O
CC2H3O + O2 = CO2 + H2O =>
4 CC2H3O + 13 O2 = 12 CO2 + 6 H2O
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