| Équations équilibrées la veille |
3 Cl2 + 6 KOH = KClO3 + 5 KCl + 3 H2O
CaCl2 + Na2HPO4 + NH3 = Ca3(PO4)2 + NaCl + NH4Cl =>
3 CaCl2 + 2 Na2HPO4 + 2 NH3 = Ca3(PO4)2 + 4 NaCl + 2 NH4Cl
K2Cr2O7 + Ti2(SO4)3 + H2SO4 = Cr2(SO4)3 + TiOSO4 + K2SO4 + H2O =>
K2Cr2O7 + 3 Ti2(SO4)3 + H2SO4 = Cr2(SO4)3 + 6 TiOSO4 + K2SO4 + H2O
Pb(CH3COO)2 + CaOCl2 + H2O = PbO2 + CH3COOH + CaCl2 =>
Pb(CH3COO)2 + CaOCl2 + H2O = PbO2 + 2 CH3COOH + CaCl2
Cr2O7{-} + H{+} + C2O4{2-} = Cr{3+} + CO2 + H2O =>
2 Cr2O7{-} + 28 H{+} + 7 C2O4{2-} = 4 Cr{3+} + 14 CO2 + 14 H2O
[Cr(NH3)5Br]Br2 + Ag2(NO3) = Cr(NH3)5Br + AgBr + NO3 =>
[Cr(NH3)5Br]Br2 + Ag2(NO3) = Cr(NH3)5Br + 2 AgBr + NO3
Ba + S + O = BaSO4 =>
Ba + S + 4 O = BaSO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2Cr2O7 + NaHSO3 + H2SO4 = NaHSO4 + Cr2(SO4)3 + H2O =>
H2Cr2O7 + 3 NaHSO3 + 3 H2SO4 = 3 NaHSO4 + Cr2(SO4)3 + 4 H2O
NaOH(aq) + FeSO4(s) = Na2SO4(aq) + Fe(OH)2(s) =>
2 NaOH(aq) + FeSO4(s) = Na2SO4(aq) + Fe(OH)2(s)
HNO3(k) + Mg = Mg(NO3)2 + N2O + H2O =>
10 HNO3(k) + 4 Mg = 4 Mg(NO3)2 + N2O + 5 H2O
Na + HC1 = H2 + NaC1 =>
2 Na + 2 HC1 = H2 + 2 NaC1
N2O5 + KOH = KNO3 + H2O =>
N2O5 + 2 KOH = 2 KNO3 + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
NH4Cl(aq) + Ca(OH)2(s) = CaCl2(aq) + NH3(g) + H2O(l) =>
2 NH4Cl(aq) + Ca(OH)2(s) = CaCl2(aq) + 2 NH3(g) + 2 H2O(l)
Al2(SO4)3 + Ca(HCO3)2 = Al(OH)3 + CO2 + CaSO4 =>
Al2(SO4)3 + 3 Ca(HCO3)2 = 2 Al(OH)3 + 6 CO2 + 3 CaSO4
Fe + CO2 = Fe2O3 + C =>
4 Fe + 3 CO2 = 2 Fe2O3 + 3 C
Fl + NaCl = FlCl + Na =>
Fl + NaCl = FlCl + Na
NO + CSOH = CSNO2 + N2 + H2O =>
6 NO + 4 CSOH = 4 CSNO2 + N2 + 2 H2O
CH3COONa + CH3NH3Cl = CH3COOCH3NH3 + NaCl =>
CH3COONa + CH3NH3Cl = CH3COOCH3NH3 + NaCl
FeI2 + KOH + I2 = Fe(OH)3 + KI =>
2 FeI2 + 6 KOH + I2 = 2 Fe(OH)3 + 6 KI
C4H8O + H2O2 = CO2 + H2O =>
C4H8O + 11 H2O2 = 4 CO2 + 15 H2O
C15H31COO{-} + H2O = CH3COO{-} + H2 + H{+} =>
C15H31COO{-} + 14 H2O = 8 CH3COO{-} + 14 H2 + 7 H{+}
NH3(l) = N2(s) + H2(g) =>
2 NH3(l) = N2(s) + 3 H2(g)
NaI + Cl2(g) = NaCl + I2(s) =>
2 NaI + Cl2(g) = 2 NaCl + I2(s)
C3H6O3 + C2H5OH = C5H10O3 + H2O =>
C3H6O3 + C2H5OH = C5H10O3 + H2O
Fe + Ga = Fe3Ga4 =>
3 Fe + 4 Ga = Fe3Ga4
C6H5COOH + CH4O + H = C6H5C(OH)2(OHCH4) = C6H5C(OCH4)(OH) + H2O = H + C6H5COOCH4 =>
C6H5COOH + CH4O + 2 H = C6H5C(OH)2(OHCH4)
HC2H3O2 + NaOH = NaC2H3O2 + H2O =>
HC2H3O2 + NaOH = NaC2H3O2 + H2O
Sr + O2 = SrO2 =>
Sr + O2 = SrO2
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
NH3OHCl + I2 = N2O + HI + HCl + H2O =>
2 NH3OHCl + 2 I2 = N2O + 4 HI + 2 HCl + H2O
Al(OH)2Cl + HCl = AlOH(Cl)2 + H2O =>
Al(OH)2Cl + HCl = AlOH(Cl)2 + H2O
Cu + Ba3N2 = Cu3N2 + Ba =>
3 Cu + Ba3N2 = Cu3N2 + 3 Ba
NiO(OH) + H2O = Ni(OH)2 + OH =>
NiO(OH) + H2O = Ni(OH)2 + OH
In + Co + Se = In2CoSe4 =>
2 In + Co + 4 Se = In2CoSe4
CH3COOAg + BaCl2 = AgCl + (CH3COO)2Ba =>
2 CH3COOAg + BaCl2 = 2 AgCl + (CH3COO)2Ba
ZnSO4 + Li2CO3 = ZnCO3 + Li2SO4 =>
ZnSO4 + Li2CO3 = ZnCO3 + Li2SO4
KNO2 + MnO2 + KOH = N2 + K2MnO4 + H2O =>
2 KNO2 + 3 MnO2 + 4 KOH = N2 + 3 K2MnO4 + 2 H2O
NaHCO3 + SiO2 = Na2SiO3 + H2O + CO2 =>
2 NaHCO3 + SiO2 = Na2SiO3 + H2O + 2 CO2
MgCl2 + HCl = MgH + Cl3 =>
MgCl2 + HCl = MgH + Cl3
K2Cr2O7 + H2SO4 + K2SO3 + H2O = KCr(SO4)2*12H2O + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 3 K2SO3 + 20 H2O = 2 KCr(SO4)2*12H2O + 3 K2SO4
Pb(NO2)2 + LiCl = PbCl2 + Li(NO2) =>
Pb(NO2)2 + 2 LiCl = PbCl2 + 2 Li(NO2)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SrCO3 + NaCl = SrCl2 + Na2CO3 =>
SrCO3 + 2 NaCl = SrCl2 + Na2CO3
CuSO4(ac) + Pb(NO3)2(ac) = PbSO4 + Cu(NO3)2 =>
CuSO4(ac) + Pb(NO3)2(ac) = PbSO4 + Cu(NO3)2
Mg + Sl = Mg2Sl =>
2 Mg + Sl = Mg2Sl
C2H6 + Na = C2H5Na + H2 =>
2 C2H6 + 2 Na = 2 C2H5Na + H2
Fe(OH2) + O2 + H2O = Fe(OH)3 =>
4 Fe(OH2) + 3 O2 + 2 H2O = 4 Fe(OH)3
Na2O + N2 = NaNO3 + Na =>
6 Na2O + N2 = 2 NaNO3 + 10 Na
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