| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2 + O2 = 2 H2O
NaCl(aq) + AgNO3(aq) = AgCl(s) + NaNO3 =>
NaCl(aq) + AgNO3(aq) = AgCl(s) + NaNO3
MgO + CO2 = MgCO3 =>
MgO + CO2 = MgCO3
CaTiSiO5 + CaAl2Si2O7(OH)2H2O = Ca3Al2(SiO4)3 + TiO2 + H2O + SiO2 =>
2 CaTiSiO5 + CaAl2Si2O7(OH)2H2O = Ca3Al2(SiO4)3 + 2 TiO2 + 2 H2O + SiO2
NaCN + Hg2(NO3)2 = Na(NO3)2 + Hg2CN =>
NaCN + Hg2(NO3)2 = Na(NO3)2 + Hg2CN
H2Se + Ca(OH)2 = CaSe + H2O =>
H2Se + Ca(OH)2 = CaSe + 2 H2O
C5H5N + C2H4O2 = C5H6N + C2H3O2 =>
C5H5N + C2H4O2 = C5H6N + C2H3O2
Fe(NO)2 + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe(NO)2 + 4 HNO3 = Fe(NO3)3 + 3 NO + 2 H2O
Ga + Pb(NO3)2 = Ga(NO3) + Pb =>
2 Ga + Pb(NO3)2 = 2 Ga(NO3) + Pb
HCl + CaOH{+2} = H2O + CaCl{+2} =>
HCl + CaOH{+2} = H2O + CaCl{+2}
H4B2O5 + Au2O3 = Au4[B2O5]3 + H2O =>
3 H4B2O5 + 2 Au2O3 = Au4[B2O5]3 + 6 H2O
BrH + Ca(OH)2 = H2O + CaBr2 =>
2 BrH + Ca(OH)2 = 2 H2O + CaBr2
Cu + Ag2CO3 = CuCO3 + Ag =>
Cu + Ag2CO3 = CuCO3 + 2 Ag
AgNO3(aq) + NaCl(aq) = AgCl + NaNO3 =>
AgNO3(aq) + NaCl(aq) = AgCl + NaNO3
Sr(OH)2 + MgBr2 = SrBr2 + Mg(OH)2 =>
Sr(OH)2 + MgBr2 = SrBr2 + Mg(OH)2
SO2(g) + H2O(l) = H2SO3(aq) =>
SO2(g) + H2O(l) = H2SO3(aq)
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
K + O2 = K2O =>
4 K + O2 = 2 K2O
Cl2(g) + Br{-} + H2O = Cl{-}(aq) + BrO3{-} + H{+} =>
3 Cl2(g) + Br{-} + 3 H2O = 6 Cl{-}(aq) + BrO3{-} + 6 H{+}
CaCO3(s) = CaO(s) + CO2 =>
CaCO3(s) = CaO(s) + CO2
N2H4 + H2O = N2 + H3O =>
N2H4 + 4 H2O = N2 + 4 H3O
Hg{2+} + Fe = Hg2{2+} + Fe{3+} =>
6 Hg{2+} + 2 Fe = 3 Hg2{2+} + 2 Fe{3+}
Pb(C2H3O2)2(aq) + MgCl2(aq) = Mg(C2H3O2)2(aq) + PbCl2(s) =>
Pb(C2H3O2)2(aq) + MgCl2(aq) = Mg(C2H3O2)2(aq) + PbCl2(s)
K2C2O4 + Zn(ClO4)2 = KClO4 + ZnC2O4 =>
K2C2O4 + Zn(ClO4)2 = 2 KClO4 + ZnC2O4
H2S + Fe(OH)3 = Fe2S3 + H2O =>
3 H2S + 2 Fe(OH)3 = Fe2S3 + 6 H2O
Br2 + LiI = I2 + LiBr =>
Br2 + 2 LiI = I2 + 2 LiBr
Ag2CO3 + NaBr = AgBr + Na2CO3 =>
Ag2CO3 + 2 NaBr = 2 AgBr + Na2CO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
HI2 = H2 + I =>
2 HI2 = H2 + 4 I
H2CO3 + KOH = H2O + K2CO3 =>
H2CO3 + 2 KOH = 2 H2O + K2CO3
Li2CO3 + C6H8O7 = CO2 + H2O + Li3C6H5O7 =>
3 Li2CO3 + 2 C6H8O7 = 3 CO2 + 3 H2O + 2 Li3C6H5O7
Fe(OH)2 + H3PO4 = Fe3(PO4)2 + H2O =>
3 Fe(OH)2 + 2 H3PO4 = Fe3(PO4)2 + 6 H2O
H2SiF6 + KOH = SiF4 + KF + H2O =>
H2SiF6 + 2 KOH = SiF4 + 2 KF + 2 H2O
Cu2S + O2 + H2SO4 = CuSO4 + H2O =>
2 Cu2S + 5 O2 + 2 H2SO4 = 4 CuSO4 + 2 H2O
CaCO3(s) = CaO(s) + CO2(g) =>
CaCO3(s) = CaO(s) + CO2(g)
C7H8O2(i) + O2(g) = CO2(g) + H2O(g) =>
C7H8O2(i) + 8 O2(g) = 7 CO2(g) + 4 H2O(g)
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
CuNO3 + MgS = Cu2S + Mg(NO3)2 =>
2 CuNO3 + MgS = Cu2S + Mg(NO3)2
F2 + O3 = OF2 =>
3 F2 + O3 = 3 OF2
*Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
*Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
C10H12O3 + H2O + O2 = C6H12O6 =>
6 C10H12O3 + 24 H2O + 9 O2 = 10 C6H12O6
NaOH + K2SO3 = Na2SO3 + KOH =>
2 NaOH + K2SO3 = Na2SO3 + 2 KOH
NO(g) = N2O(g) + NO2(g) =>
3 NO(g) = N2O(g) + NO2(g)
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq) =>
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq)
NO(g) = N2O2(g) =>
2 NO(g) = N2O2(g)
KI + XeF4 = I2 + Xe + KF =>
4 KI + XeF4 = 2 I2 + Xe + 4 KF
Na2S + Al2(CO3)3 = Na2CO3 + Al2S3 =>
3 Na2S + Al2(CO3)3 = 3 Na2CO3 + Al2S3
Na2Co3(aq) + CaCl2(aq) = CaCo3(s) + NaCl(aq) =>
Na2Co3(aq) + CaCl2(aq) = CaCo3(s) + 2 NaCl(aq)
Sr(OH)2 + H2SO4 = (SrOH2)SO4 + H2O =>
Sr(OH)2 + H2SO4 = (SrOH2)SO4 + H2O
NaHSO4(s) = Na2S2O7(s)H2O(l) =>
2 NaHSO4(s) = Na2S2O7(s)H2O(l)
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Équations équilibrées sur02/07/25
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