| Équations équilibrées la veille | Équations équilibrées le lendemain |
CrBr2 + 6 HNO3 = Cr(NO3)3 + Br2 + 3 NO2 + 3 H2O
KOH + (NH4)2SO4 = K2SO4 + NH4OH =>
2 KOH + (NH4)2SO4 = K2SO4 + 2 NH4OH
HC2H3O2 + Mg(OH)2 = Mg + H2O + C2H3O2 =>
2 HC2H3O2 + Mg(OH)2 = Mg + 2 H2O + 2 C2H3O2
CH3CH2COOH + NH3 = CH3CH2COONH4 =>
CH3CH2COOH + NH3 = CH3CH2COONH4
((Pb(NO3)2)3)(aq) + NaBr(g) = PbBr2(s) + NaNO3(aq) =>
((Pb(NO3)2)3)(aq) + 6 NaBr(g) = 3 PbBr2(s) + 6 NaNO3(aq)
Cu(II) + Na2SO4 = Cu(II)(SO4) + Na =>
Cu(II) + Na2SO4 = Cu(II)(SO4) + 2 Na
Zn + C6H10O5 = ZnO + C + H2 =>
5 Zn + C6H10O5 = 5 ZnO + 6 C + 5 H2
NaOH + H2O2 = Na2O2 + H2O =>
2 NaOH + H2O2 = Na2O2 + 2 H2O
Li + H2 = LiH3 =>
2 Li + 3 H2 = 2 LiH3
Fe2(CO3)3(aq) + HCl(aq) = FeCl3(s) + CO2(g) + H2O(l) =>
Fe2(CO3)3(aq) + 6 HCl(aq) = 2 FeCl3(s) + 3 CO2(g) + 3 H2O(l)
C8H8O3 + C7H9N = C15H15O2N + H2O =>
C8H8O3 + C7H9N = C15H15O2N + H2O
CuCl2 + MgSO4 = CuSO4 + MgCl2 =>
CuCl2 + MgSO4 = CuSO4 + MgCl2
ZnO + NaOH = H2O + Na2ZnO2 =>
ZnO + 2 NaOH = H2O + Na2ZnO2
HCl(aq) + Na2SO3 = H2SO3 + NaCl =>
2 HCl(aq) + Na2SO3 = H2SO3 + 2 NaCl
LiOH + CH3COOH = LiCH3COO + H2O =>
LiOH + CH3COOH = LiCH3COO + H2O
As + Mg = MgAs =>
As + Mg = MgAs
RuO4 + NH4Cl + HNO3 = (NH4)2RuNOCl5 + NH3 + OH =>
5 RuO4 + 25 NH4Cl + 3 HNO3 = 5(NH4)2RuNOCl5 + 13 NH3 + 24 OH
Fe + Cu = CuFe =>
Fe + Cu = CuFe
Au2 + H2SO4 = Au2(SO4)3 + H2 =>
Au2 + 3 H2SO4 = Au2(SO4)3 + 3 H2
PbO2 + KMnO4 = Pb + K2O + MnO4 =>
PbO2 + 4 KMnO4 = Pb + 2 K2O + 4 MnO4
MnO2 + HBr = MnBr2 + Br2 + H2O =>
MnO2 + 4 HBr = MnBr2 + Br2 + 2 H2O
Fe2O4 + CO = Fe + CO2 =>
Fe2O4 + 4 CO = 2 Fe + 4 CO2
Pb(NO3) + K2(CrO4)2 = PbCrO4 + KNO3 =>
2 Pb(NO3) + K2(CrO4)2 = 2 PbCrO4 + 2 KNO3
Fe + Fl2 = FeFl3 =>
2 Fe + 3 Fl2 = 2 FeFl3
C18H20FN5O4 + O2 = CO2 + H2O + NO2 + F2N =>
2 C18H20FN5O4 + 51 O2 = 36 CO2 + 20 H2O + 9 NO2 + F2N
Na2S2O3(s) = SO2(g) + S(s) + Na(s) =>
2 Na2S2O3(s) = 3 SO2(g) + S(s) + 4 Na(s)
NaOH + Cr2O3 + O2 = NaCrO4 + H2O =>
2 NaOH + Cr2O3 + 2 O2 = 2 NaCrO4 + H2O
C6H12O2 + O6 = C6O2 + H2O =>
C6H12O2 + O6 = C6O2 + 6 H2O
Al + H2SO4 = H2S + Al2SO4 + H2O =>
8 Al + 5 H2SO4 = H2S + 4 Al2SO4 + 4 H2O
NaNO3 + H2SO4 = HNO3 + NaHSO4 =>
NaNO3 + H2SO4 = HNO3 + NaHSO4
C2O2H4 + NaHCO3 = NaC2H3O2 + H2O + CO2 =>
C2O2H4 + NaHCO3 = NaC2H3O2 + H2O + CO2
Li + Zn(NO) = LiNO + Zn =>
Li + Zn(NO) = LiNO + Zn
Al2(SO4)3 + Na3C6H5O7 = C6H5O7Al + Na2SO4 =>
Al2(SO4)3 + 2 Na3C6H5O7 = 2 C6H5O7Al + 3 Na2SO4
Au + O2 + H2O + KCN = KOH + KAu(CN)2 =>
4 Au + O2 + 2 H2O + 8 KCN = 4 KOH + 4 KAu(CN)2
Cu(IO3)2 + I{-} + H{+} = I3{-} + CuI + H2O =>
2 Cu(IO3)2 + 37 I{-} + 24 H{+} = 13 I3{-} + 2 CuI + 12 H2O
KMnO4 + (NH4)2SO4 + H2SO4 = MnSO4 + (NH4)SO4 + K2SO4 + H2O =>
2 KMnO4 + 5(NH4)2SO4 + 8 H2SO4 = 2 MnSO4 + 10(NH4)SO4 + K2SO4 + 8 H2O
CrI3 + KOH + Cl2 = K2CrO4 + KIO3 + KCl + H2O =>
2 CrI3 + 52 KOH + 21 Cl2 = 2 K2CrO4 + 6 KIO3 + 42 KCl + 26 H2O
HNO3 = H2O + NO2 + O2 =>
4 HNO3 = 2 H2O + 4 NO2 + O2
Nd2O3 + B + CeO2 = Nd3CeB24 + B2O2 =>
6 Nd2O3 + 122 B + 4 CeO2 = 4 Nd3CeB24 + 13 B2O2
Y(NO3)3 + Er(NO3)3 + (NH2)2CO = YEr2O3 + CO2 + N2 + H2O =>
2 Y(NO3)3 + 4 Er(NO3)3 + 16(NH2)2CO = 2 YEr2O3 + 16 CO2 + 25 N2 + 32 H2O
CH3COOH + CaCO3 = Ca + H2O + CO2 =>
CH3COOH + 4 CaCO3 = 4 Ca + 2 H2O + 6 CO2
LiBrO3 = LiBrO4 + LiBr =>
4 LiBrO3 = 3 LiBrO4 + LiBr
Ca(OH)2 + SeH2 = CaSe + H2O =>
Ca(OH)2 + SeH2 = CaSe + 2 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
C4H6O2 + H2O = C4H8O3 =>
C4H6O2 + H2O = C4H8O3
SrCl2 + Na2HPO4 = NaCl + SrHPO4 =>
SrCl2 + Na2HPO4 = 2 NaCl + SrHPO4
Mg + N + H2O = NH3 + MgOH =>
3 Mg + N + 3 H2O = NH3 + 3 MgOH
Cr(s) + Fe{3+}(aq) = Fe{2+}(aq) + Cr{2+}(aq) =>
Cr(s) + 2 Fe{3+}(aq) = 2 Fe{2+}(aq) + Cr{2+}(aq)
KIO3 = K5IO6 + I2 + O2 =>
10 KIO3 = 2 K5IO6 + 4 I2 + 9 O2
Ca(OH)2 + SeH2 = CaSe + H2O =>
Ca(OH)2 + SeH2 = CaSe + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/01/23
Équations équilibrées sur12/31/22
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