| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
(NH4)2PbCl6 + O2 = PbO2 + Cl2 + H2O + NO2 =>
(NH4)2PbCl6 + 5 O2 = PbO2 + 3 Cl2 + 4 H2O + 2 NO2
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
C16H34 + NH4NO3 = H2O + CO2 + N2 =>
C16H34 + 49 NH4NO3 = 115 H2O + 16 CO2 + 49 N2
BaSO4 + H2SO4 = Ba(HSO4)2 =>
BaSO4 + H2SO4 = Ba(HSO4)2
FeS + HNO3 = H2SO4 + Fe(NO3)2 + NO + H2O =>
3 FeS + 14 HNO3 = 3 H2SO4 + 3 Fe(NO3)2 + 8 NO + 4 H2O
Cu + (CO3)2 = CuO + CO2 =>
2 Cu + (CO3)2 = 2 CuO + 2 CO2
Na2SO4 + H2O = NaOH + H2SO4 =>
Na2SO4 + 2 H2O = 2 NaOH + H2SO4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Ba(C2H3O2)2 + (NH4)3SO4 = Ba3(SO4)2 + NH4C2H3O2 =>
3 Ba(C2H3O2)2 + 2(NH4)3SO4 = Ba3(SO4)2 + 6 NH4C2H3O2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
SO3 + K2CO3 = K2SO4 + CO2 =>
SO3 + K2CO3 = K2SO4 + CO2
AgF + (NH4)3PO4 = Ag3PO4 + NH4F =>
3 AgF + (NH4)3PO4 = Ag3PO4 + 3 NH4F
Na + CO3 + HCl = NaCl + H2O2 + CO2 =>
2 Na + 2 CO3 + 2 HCl = 2 NaCl + H2O2 + 2 CO2
CrO3 + HCl = Cr3Cl3 + Cl2 + H2O =>
6 CrO3 + 36 HCl = 2 Cr3Cl3 + 15 Cl2 + 18 H2O
HCl + CrO3 = CrCl2 + H2O + Cl2 =>
6 HCl + CrO3 = CrCl2 + 3 H2O + 2 Cl2
Li + H2PO4 = Li3PO4 + H2 =>
3 Li + H2PO4 = Li3PO4 + H2
Cr(OH3) + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Cr(OH3) + 7 Br2 + 18 NaOH = 2 Na2CrO4 + 14 NaBr + 12 H2O
MnO4{-} + SO2 + H2O = Mn2{+} + SO4{2-} + H{+} =>
4 MnO4{-} + 13 SO2 + 10 H2O = 2 Mn2{+} + 13 SO4{2-} + 20 H{+}
Sb2 + S3 + HCl = SbCl3 + H2S =>
Sb2 + S3 + 6 HCl = 2 SbCl3 + 3 H2S
CrO3 + HCl = CrCl3 + Cl2 + H2O =>
2 CrO3 + 12 HCl = 2 CrCl3 + 3 Cl2 + 6 H2O
CuCl2H2O = CuCl2 + H2O =>
CuCl2H2O = CuCl2 + H2O
Na2B4O7*10H2O = H3BO3 + NaBO2 + H2O =>
Na2B4O7*10H2O = 2 H3BO3 + 2 NaBO2 + 7 H2O
NICl2(cr) = NI(cr) + Cl2(g) =>
NICl2(cr) = NI(cr) + Cl2(g)
NaCl + H2SO4 = Cl2 + Na2SO4 + H2S + H2O =>
8 NaCl + 5 H2SO4 = 4 Cl2 + 4 Na2SO4 + H2S + 4 H2O
PhCH3 + KMnO4 + H2SO4 = PhCHO2 + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCHO2 + 3 K2SO4 + 6 MnSO4 + 14 H2O
Na2SO4 + NaOH = Na2OH + NaSO4 =>
Na2SO4 + NaOH = Na2OH + NaSO4
C2H5Br + NaCN = C2H5CN + NaBr =>
C2H5Br + NaCN = C2H5CN + NaBr
Li4Si + Cl2 = LiCl + SiCl4 =>
Li4Si + 4 Cl2 = 4 LiCl + SiCl4
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
Na3PO4(s) + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3PO4(s) + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
MgSO4 + Ba(OH)2 = Mg(OH) + Ba(SO4)2 =>
2 MgSO4 + Ba(OH)2 = 2 Mg(OH) + Ba(SO4)2
OH{-} + CrI3(aq) + Cl2(g) = CrO4{2-}(aq) + IO4{-}(aq) + Cl{-}aq) + H2O =>
64 OH{-} + 2 CrI3(aq) + 27 Cl2(g) = 2 CrO4{2-}(aq) + 6 IO4{-}(aq) + 54 Cl{-}aq) + 32 H2O
CaCO3 + NaOH + HCl = NaHCO3 + CaCl2 + H2O =>
CaCO3 + NaOH + 2 HCl = NaHCO3 + CaCl2 + H2O
Ca(OH)2 + Cl2 = Ca(ClO)2 + CaCl2 + H2O =>
2 Ca(OH)2 + 2 Cl2 = Ca(ClO)2 + CaCl2 + 2 H2O
Ce(SO4)2 = Ce + SO4 =>
Ce(SO4)2 = Ce + 2 SO4
CrO3 + HCl = Cr3Cl3 + Cl2 + H2O =>
6 CrO3 + 36 HCl = 2 Cr3Cl3 + 15 Cl2 + 18 H2O
NO + O3 = NO2 + O2 =>
NO + O3 = NO2 + O2
C6H12O + O2 = CO2 + H2O =>
2 C6H12O + 17 O2 = 12 CO2 + 12 H2O
Ba(NO3)2 + NH2SO3H = Ba(NH2SO3)2 + HNO3 =>
Ba(NO3)2 + 2 NH2SO3H = Ba(NH2SO3)2 + 2 HNO3
KOH + HNO3 = K2(OH)NO3 + H2O =>
2 KOH + HNO3 = K2(OH)NO3 + H2O
Li2CO3 + Mg(NO3)2 = LiNO3 + MgCO3 =>
Li2CO3 + Mg(NO3)2 = 2 LiNO3 + MgCO3
Mg3Si4O10(OH)2 + CaCO3 = Ca2Mg5Si8O22(OH)2 + MgCa(CO3)2 + H2O + CO2 =>
2 Mg3Si4O10(OH)2 + 3 CaCO3 = Ca2Mg5Si8O22(OH)2 + MgCa(CO3)2 + H2O + CO2
Ni + Cl2 = NiCl2 =>
Ni + Cl2 = NiCl2
CoS + AlI3 = CoI2 + Al2S3 =>
3 CoS + 2 AlI3 = 3 CoI2 + Al2S3
Zn{2+} + NH3 = [Zn(NH3)4]{2+} =>
Zn{2+} + 4 NH3 = [Zn(NH3)4]{2+}
[Ag(NH3)2]OH + H2O2 = Ag + NO + H2O =>
2[Ag(NH3)2]OH + 9 H2O2 = 2 Ag + 4 NO + 16 H2O
NaHCO3(ac) + H3C6H5O7(ac) = CO2(g) + H2O + Na3C6H5O7(ac) =>
3 NaHCO3(ac) + H3C6H5O7(ac) = 3 CO2(g) + 3 H2O + Na3C6H5O7(ac)
Cr(OH)3(s) + HNO2(aq) = Cr(NO2)3(aq) + H2O(l) =>
Cr(OH)3(s) + 3 HNO2(aq) = Cr(NO2)3(aq) + 3 H2O(l)
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