| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn(NO3)2 + 2(NH4)Br = ZnBr2 + 2(NH4)(NO3)
C2H5NH2 + CH3COOH = CH3COC2H5NH + H2O =>
C2H5NH2 + CH3COOH = CH3COC2H5NH + H2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
FeSO4 + H2SO4 = Fe(SO4)2 + H2 =>
FeSO4 + H2SO4 = Fe(SO4)2 + H2
CH4 + N2 = CN + NH3 =>
6 CH4 + 7 N2 = 6 CN + 8 NH3
Cl2 + AlBa3 = ClAlBa3 =>
Cl2 + 2 AlBa3 = 2 ClAlBa3
K2(HgI4) + AgNO3 = Ag2(HgI4) + NO3 + K =>
K2(HgI4) + 2 AgNO3 = Ag2(HgI4) + 2 NO3 + 2 K
SnCl4 + NaOH = SnO2 + NaCl + H2O =>
SnCl4 + 4 NaOH = SnO2 + 4 NaCl + 2 H2O
CH2CHOH(l) + O2(g) = CO2(g) + H2O(l) =>
2 CH2CHOH(l) + 5 O2(g) = 4 CO2(g) + 4 H2O(l)
MgBr2(aq) + K2CO3(aq) = MgCO3(s) + KBr(aq) =>
MgBr2(aq) + K2CO3(aq) = MgCO3(s) + 2 KBr(aq)
CaC2O4 + HCl = CaCl2 + H2C2O4 =>
CaC2O4 + 2 HCl = CaCl2 + H2C2O4
TiCl3 + Cu(SO4) = Ti2(SO4)3 + CuCl2 =>
2 TiCl3 + 3 Cu(SO4) = Ti2(SO4)3 + 3 CuCl2
CH3(CH2)6CH3(g) + O2(g) = CO2(g) + H2O =>
2 CH3(CH2)6CH3(g) + 25 O2(g) = 16 CO2(g) + 18 H2O
C57H98O6 + CH4O = C3H8O3 + C19H34O2 =>
C57H98O6 + 3 CH4O = C3H8O3 + 3 C19H34O2
Fe(NO3)3(aq) + K3Fe(CN)6(aq) = Fe(CN)3(s) + K3Fe(NO3)6(aq) =>
2 Fe(NO3)3(aq) + K3Fe(CN)6(aq) = 2 Fe(CN)3(s) + K3Fe(NO3)6(aq)
(NH4) + (OH) = NH4OH =>
(NH4) + (OH) = NH4OH
KNO3 + C11H22O11 = N2 + CO2 + H2O + K2CO3 =>
44 KNO3 + 5 C11H22O11 = 22 N2 + 33 CO2 + 55 H2O + 22 K2CO3
Sr(ClO3)2 = SrCl2 + O2 =>
Sr(ClO3)2 = SrCl2 + 3 O2
CoCl2(aq) + Ag(CH3COO)(aq) = Co(CH3COO)2(s) + AgCl(s) =>
CoCl2(aq) + 2 Ag(CH3COO)(aq) = Co(CH3COO)2(s) + 2 AgCl(s)
LiH2PO4 = LiPO3 + H2O =>
LiH2PO4 = LiPO3 + H2O
HCH3CO2 + OH = CH3CO2 + H2O =>
HCH3CO2 + OH = CH3CO2 + H2O
MnO2 + KNO3 + KOH = K2MnO4 + KNO2 + H2O =>
MnO2 + KNO3 + 2 KOH = K2MnO4 + KNO2 + H2O
MnO4 + ClO2 = MnO2 + ClO4 =>
MnO4 + ClO2 = MnO2 + ClO4
HCl + NH5O = NH4Cl + H2O =>
HCl + NH5O = NH4Cl + H2O
Mo + S = MoS2 =>
Mo + 2 S = MoS2
Ba(OH)2 + Cs2S = Cs2(OH)2 + BaS =>
Ba(OH)2 + Cs2S = Cs2(OH)2 + BaS
Pb(C2H3O2)2 + H2S = PbS + HC2H3O2 =>
Pb(C2H3O2)2 + H2S = PbS + 2 HC2H3O2
Ni + NH4OH = Ni(OH)2 + NH4 =>
Ni + 2 NH4OH = Ni(OH)2 + 2 NH4
Cl2 + Na2S2O3 + H2O = Na2SO4 + HCl + S =>
Cl2 + Na2S2O3 + H2O = Na2SO4 + 2 HCl + S
P2O5 + NaOH + H2O = NaH2PO4 =>
P2O5 + 2 NaOH + H2O = 2 NaH2PO4
CaCO3 + Zn(HCO3)2 = Ca(HCO3)2 + ZnCO3 =>
CaCO3 + Zn(HCO3)2 = Ca(HCO3)2 + ZnCO3
CH3CH2Br + Na = CH3CH2CH2CH3 + NaBr =>
2 CH3CH2Br + 2 Na = CH3CH2CH2CH3 + 2 NaBr
Fe(NO3)3 + H2O = Fe(OH)3 + H2 + NO3 =>
2 Fe(NO3)3 + 6 H2O = 2 Fe(OH)3 + 3 H2 + 6 NO3
CH3CO2C6H4COOH + H2O = H3O{+} + CH3CO2C6H4COO{-} =>
CH3CO2C6H4COOH + H2O = H3O{+} + CH3CO2C6H4COO{-}
C2H8O7P2 + KOH = C2H5K3O7P2 + H2O =>
C2H8O7P2 + 3 KOH = C2H5K3O7P2 + 3 H2O
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
BaO + CO2 = Ba3C2 + O2 =>
6 BaO + 4 CO2 = 2 Ba3C2 + 7 O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
[]P + []O2 = []P2O5 =>
4[]P + 5[]O2 = 2[]P2O5
K(Br) + Cl2 = KCl + Br2 =>
2 K(Br) + Cl2 = 2 KCl + Br2
NaH2PO2 + HgCl2 + H2O = NaH2PO4 + Hg + HCl =>
NaH2PO2 + 2 HgCl2 + 2 H2O = NaH2PO4 + 2 Hg + 4 HCl
Ca(C2H3O2)2 + K2CO3 = CaCO3 + (C2H3O2)2K2 =>
Ca(C2H3O2)2 + K2CO3 = CaCO3 + (C2H3O2)2K2
PtS2 + C6H8O7*H2O = Pt(C6H8O7)2 + H2O + S =>
PtS2 + 2 C6H8O7*H2O = Pt(C6H8O7)2 + 2 H2O + 2 S
C2H4O2(aq) + NaHCO3 = NaC4H6O5 + CO2 + H2O =>
13 C2H4O2(aq) + 8 NaHCO3 = 8 NaC4H6O5 + 2 CO2 + 6 H2O
I{-} + Fe{3+} = Fe{2+} + I2 =>
2 I{-} + 2 Fe{3+} = 2 Fe{2+} + I2
Al2(OH)3 + H = Al + H2O =>
Al2(OH)3 + 3 H = 2 Al + 3 H2O
Li2Al2SiO6 + MnO2 = Li2MnO3 + Al2SiO5 =>
Li2Al2SiO6 + MnO2 = Li2MnO3 + Al2SiO5
Sr2SO4 + Ba2Cl = Sr2Cl + Ba2SO4 =>
Sr2SO4 + Ba2Cl = Sr2Cl + Ba2SO4
As + ClO = AsO4 + Cl =>
As + 4 ClO = AsO4 + 4 Cl
MgCO3 + Cr(NO3)3 = Mg(NO3) + Cr(CO3)3 =>
3 MgCO3 + Cr(NO3)3 = 3 Mg(NO3) + Cr(CO3)3
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Équations équilibrées sur12/14/24
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