| Équations équilibrées la veille |
I{-} = I{-}3
H2S + H = H3S =>
H2S + H = H3S
Pb(C2H3O2) + BaClO2 = PbClO2 + Ba(C2H3O2) =>
Pb(C2H3O2) + BaClO2 = PbClO2 + Ba(C2H3O2)
C3H8 + HNO3 = C3H7NO2 + H2O =>
C3H8 + HNO3 = C3H7NO2 + H2O
S02 + H2O2 = H2SO4 + H2O =>
S02 + 6 H2O2 = 2 H2SO4 + 4 H2O
Cr2(SO4) + K2S2O8 + H2O = H2CrO4 + K2SO4 + H2SO4 =>
Cr2(SO4) + 5 K2S2O8 + 8 H2O = 2 H2CrO4 + 5 K2SO4 + 6 H2SO4
Fe{3+} + NH4SCN = [Fe(SCN)6]{3+} + NH4 =>
Fe{3+} + 6 NH4SCN = [Fe(SCN)6]{3+} + 6 NH4
KI + KBrO3 + HCl = KBr + I2 + H2O + KCl =>
6 KI + KBrO3 + 6 HCl = KBr + 3 I2 + 3 H2O + 6 KCl
NaBr + NaMnO4 + HCl = Br2 + MnCl2 + H2O + NaCl =>
10 NaBr + 2 NaMnO4 + 16 HCl = 5 Br2 + 2 MnCl2 + 8 H2O + 12 NaCl
PCl5 + Ca(OH)2 = Ca3(PO4)2 + CaCl2 + H2O =>
2 PCl5 + 8 Ca(OH)2 = Ca3(PO4)2 + 5 CaCl2 + 8 H2O
MgSO4 + HNO3 = Mg(NO3)2 + H2 + SO4 =>
MgSO4 + 2 HNO3 = Mg(NO3)2 + H2 + SO4
S2O3{-2} + Fe{+3} = Fe{+2} + S4O6{-2} =>
2 S2O3{-2} + 2 Fe{+3} = 2 Fe{+2} + S4O6{-2}
SrBr2(aq) + K2SO3(aq) = SrSO3 + KBr =>
SrBr2(aq) + K2SO3(aq) = SrSO3 + 2 KBr
CuH2O2 + C4H10O + BPO4 = CuBP + CO2 + H2O =>
12 CuH2O2 + 5 C4H10O + 12 BPO4 = 12 CuBP + 20 CO2 + 37 H2O
K2S(aq) + FeBr3(aq) = KBr(l) + Fe2S3(s) =>
3 K2S(aq) + 2 FeBr3(aq) = 6 KBr(l) + Fe2S3(s)
Cu(OH)Cl = CuOH + Cl2 =>
2 Cu(OH)Cl = 2 CuOH + Cl2
MnO2 + MnSO4 + H2O = Mn2O3 + H2SO4 =>
MnO2 + MnSO4 + H2O = Mn2O3 + H2SO4
Br2 + H2O = HBr2 + O2 =>
4 Br2 + 2 H2O = 4 HBr2 + O2
K(MnO4) + C3H5(OH)3 = K2CO3 + Mn2O3 + CO2 + H2O =>
14 K(MnO4) + 4 C3H5(OH)3 = 7 K2CO3 + 7 Mn2O3 + 5 CO2 + 16 H2O
C2O4H{-} + H{+} = C2O4H2 =>
C2O4H{-} + H{+} = C2O4H2
NO3 + H = NO2 + H2O =>
NO3 + 2 H = NO2 + H2O
[Co(NH3)5(H2O)]Cl3 + HBr = [Co(NH3)5(H2O)]Br3 + HCl =>
[Co(NH3)5(H2O)]Cl3 + 3 HBr = [Co(NH3)5(H2O)]Br3 + 3 HCl
H2SO4 + BCl2 = HCl + BSO4 =>
H2SO4 + BCl2 = 2 HCl + BSO4
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Mg2(CO3)2 + HCl = Mg(Cl)2 + CO2 + H2O =>
Mg2(CO3)2 + 4 HCl = 2 Mg(Cl)2 + 2 CO2 + 2 H2O
Be(OH)2 + H4Fe(CN)6 = Be4[Fe(CN)6]2 + H2O =>
4 Be(OH)2 + 2 H4Fe(CN)6 = Be4[Fe(CN)6]2 + 8 H2O
CaCrO4 + H2O2 + H3PO4 = CrO5 + H2O + Ca3(PO4)2 =>
3 CaCrO4 + 6 H2O2 + 2 H3PO4 = 3 CrO5 + 9 H2O + Ca3(PO4)2
Na2S2O3(aq) + H2O(l) = Na2S2O3*5H2O(s) =>
Na2S2O3(aq) + 5 H2O(l) = Na2S2O3*5H2O(s)
KClO3 + KBr + H2SO4 = KClBr2 + Br2 + H2O + K2SO4 =>
KClO3 + 6 KBr + 3 H2SO4 = KClBr2 + 2 Br2 + 3 H2O + 3 K2SO4
AlO = Al + O2 =>
2 AlO = 2 Al + O2
K + CO = CKO =>
K + CO = CKO
HBr + AgNO3 = AgBr + HNO3 =>
HBr + AgNO3 = AgBr + HNO3
Ag(NH3)2OH + C6H12O6 = C6H11O7NH4 + Ag + NH3 + H2O =>
2 Ag(NH3)2OH + C6H12O6 = C6H11O7NH4 + 2 Ag + 3 NH3 + H2O
MnO2 + KNO3 + KOH = KMnO4 + H2O + N2 =>
10 MnO2 + 6 KNO3 + 4 KOH = 10 KMnO4 + 2 H2O + 3 N2
Al(s) + HCl2(aq) = AlCl3(aq) + H2(g) =>
4 Al(s) + 6 HCl2(aq) = 4 AlCl3(aq) + 3 H2(g)
Al2(SO4)3 + K2S = K2SO4 + Al2S3 =>
Al2(SO4)3 + 3 K2S = 3 K2SO4 + Al2S3
Ca(OH)2 + PbCl2 = Pb(OH) + CaCl4 =>
Ca(OH)2 + 2 PbCl2 = 2 Pb(OH) + CaCl4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
HI3 = H2 + I2 =>
2 HI3 = H2 + 3 I2
Fe(OH)2(s) + CrO4{2-}(aq) = Fe2O3(s) + Cr(OH)4{-}(aq) + H2O(l) + OH{-}(aq) =>
6 Fe(OH)2(s) + 2 CrO4{2-}(aq) = 3 Fe2O3(s) + 2 Cr(OH)4{-}(aq) + H2O(l) + 2 OH{-}(aq)
CaF + Pb = PbF + Ca =>
CaF + Pb = PbF + Ca
Fe2O3(s) + HNO3(ac) = Fe(NO3)3(ac) + H2O =>
Fe2O3(s) + 6 HNO3(ac) = 2 Fe(NO3)3(ac) + 3 H2O
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
FeCl3 + F = Cl + FeF3 =>
FeCl3 + 3 F = 3 Cl + FeF3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
MnO + SiO = Mn + SiO3 =>
2 MnO + SiO = 2 Mn + SiO3
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
MgO + N2O3 = Mg + NO3 =>
3 MgO + N2O3 = 3 Mg + 2 NO3
CaCO3 + NO2 = Ca(NO3)2 + CO =>
CaCO3 + 2 NO2 = Ca(NO3)2 + CO
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