| Équations équilibrées la veille | Équations équilibrées le lendemain |
P4 + 5 O2 = 2 P2O5
Li(s) + H3PO4(aq) = H2(g) + Li3PO4(s) =>
6 Li(s) + 2 H3PO4(aq) = 3 H2(g) + 2 Li3PO4(s)
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
SO2 + H2 = H2O + S2 =>
2 SO2 + 4 H2 = 4 H2O + S2
Be(OH)2 = Be + OH =>
Be(OH)2 = Be + 2 OH
C12H19Cl3O8 + O2 = CO2 + H2O + Cl2 =>
4 C12H19Cl3O8 + 51 O2 = 48 CO2 + 38 H2O + 6 Cl2
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
ZnS + CaO = Zn + CaS + Ca(SO4) =>
4 ZnS + 4 CaO = 4 Zn + 3 CaS + Ca(SO4)
C6H10O3 + O2 = H2O + CO3 =>
C6H10O3 + 10 O2 = 5 H2O + 6 CO3
CON2H4 + NaNO2 = CO2 + H2O + N2 + Na =>
4 CON2H4 + 6 NaNO2 = 4 CO2 + 8 H2O + 7 N2 + 6 Na
Mg + H2O = Mg(O)2H + H2 =>
2 Mg + 4 H2O = 2 Mg(O)2H + 3 H2
Fe + HNO3 = Fe(NO3)7 + NH4NO3 + H2O =>
8 Fe + 70 HNO3 = 8 Fe(NO3)7 + 7 NH4NO3 + 21 H2O
MnSO4 + HCl = Mn + H2SO4 + Cl2 =>
MnSO4 + 2 HCl = Mn + H2SO4 + Cl2
Cu2(s) + O2(g) = CuO(s) =>
Cu2(s) + O2(g) = 2 CuO(s)
C6H8O6 + NaHCO3 = H2O + CO2 + NaC6H7O6 =>
C6H8O6 + NaHCO3 = H2O + CO2 + NaC6H7O6
HNO3 + Cu(OH)2 = Cu(NO3)2 + H2O =>
2 HNO3 + Cu(OH)2 = Cu(NO3)2 + 2 H2O
SrSO4 + Na2O + H2O = Na2SO4 + Sr{2+} + OH{-} =>
SrSO4 + Na2O + H2O = Na2SO4 + Sr{2+} + 2 OH{-}
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Na2S + Cu(NO3)2 = Na(NO3)2 + Cu2S =>
Na2S + 2 Cu(NO3)2 = 2 Na(NO3)2 + Cu2S
PbO + Au2O3 = PbO2 + Au =>
3 PbO + Au2O3 = 3 PbO2 + 2 Au
BaCrO4 + AgNO3 = BaNO3 + AgCrO4 =>
BaCrO4 + AgNO3 = BaNO3 + AgCrO4
Cd(OH)2 + (NH3*H2O) = [Cd(NH3)6](OH)2 + H2O =>
Cd(OH)2 + 6(NH3*H2O) = [Cd(NH3)6](OH)2 + 6 H2O
PbSO4 + HClO4 + H2SO4 = Pb(SO4)2 + Cl2O5 + H2O =>
2 PbSO4 + 2 HClO4 + 2 H2SO4 = 2 Pb(SO4)2 + Cl2O5 + 3 H2O
C6H4(CH3)2 + K2Cr2O7 + H2SO4 = CO2 + H2O + Cr2(SO4)3 + K2SO4 =>
C6H4(CH3)2 + 7 K2Cr2O7 + 28 H2SO4 = 8 CO2 + 33 H2O + 7 Cr2(SO4)3 + 7 K2SO4
SF4 + H2O = SO2 + HF =>
SF4 + 2 H2O = SO2 + 4 HF
H{+} + Cr2O7{2-} + H2O2 = CrO5 + H2O =>
2 H{+} + Cr2O7{2-} + 4 H2O2 = 2 CrO5 + 5 H2O
KI + NaMnO4 + NaOH = Na2MnO4 + I2 + KOH =>
2 KI + 2 NaMnO4 + 2 NaOH = 2 Na2MnO4 + I2 + 2 KOH
CNH2N1NH2 + O2 = CO2 + H2O + N2 =>
2 CNH2N1NH2 + 4 O2 = 2 CO2 + 4 H2O + 3 N2
(NH4)PO4 + CaCl2 = (NH4)Cl2 + PO4Ca =>
(NH4)PO4 + CaCl2 = (NH4)Cl2 + PO4Ca
NH4CNS + FeCl3 = NH4Cl + Fe(CNS)3 =>
3 NH4CNS + FeCl3 = 3 NH4Cl + Fe(CNS)3
C6H4(OH)COOH + Na2CO3 = NaC6H4(OH)COO + H2O + CO2 =>
2 C6H4(OH)COOH + Na2CO3 = 2 NaC6H4(OH)COO + H2O + CO2
NaCl(aq) + F2 = NaF(aq) + Cl2 =>
2 NaCl(aq) + F2 = 2 NaF(aq) + Cl2
CuSO4 + Na3PO4*12H2O = Cu3(PO4)2 + Na2SO4 + H2O =>
3 CuSO4 + 2 Na3PO4*12H2O = Cu3(PO4)2 + 3 Na2SO4 + 24 H2O
I{-} + MnO4{-} + H3O{+} = Mn{2+} + I2 + H2O =>
10 I{-} + 2 MnO4{-} + 16 H3O{+} = 2 Mn{2+} + 5 I2 + 24 H2O
MnBr2 + (NH4)2S = MnS + NH4Br =>
MnBr2 + (NH4)2S = MnS + 2 NH4Br
C12H22 + O3 = CO2 + H2O =>
3 C12H22 + 35 O3 = 36 CO2 + 33 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
PCl5 + P2O5 = POCl3 =>
3 PCl5 + P2O5 = 5 POCl3
BaCl2 + Ag2CO3 = AgCl + BaCO3 =>
BaCl2 + Ag2CO3 = 2 AgCl + BaCO3
FeS + O2 = FeO + SO2 =>
2 FeS + 3 O2 = 2 FeO + 2 SO2
Na3PO4 + Ba = Na + Ba3(PO4)2 =>
2 Na3PO4 + 3 Ba = 6 Na + Ba3(PO4)2
HNO3 + Zn = Zn(NO3)2 + N2O3 + H2O =>
6 HNO3 + 2 Zn = 2 Zn(NO3)2 + N2O3 + 3 H2O
(NH4)2S + HCl = (NH4)Cl + H2 + S2 =>
2(NH4)2S + 4 HCl = 4(NH4)Cl + 2 H2 + S2
CaP + SiO2 + C = CaSi + P + CO2 =>
CaP + SiO2 + C = CaSi + P + CO2
FeSO4 + H2SO4 + HNO3 = Fe2(SO4)3 + H2O + NO =>
6 FeSO4 + 3 H2SO4 + 2 HNO3 = 3 Fe2(SO4)3 + 4 H2O + 2 NO
Fe2O3 + C2 = Fe2 + CO =>
2 Fe2O3 + 3 C2 = 2 Fe2 + 6 CO
K2CO3(aq) + Cu(C2H3O2)2(aq) = K(C2H3O2)(aq) + CuCO3(s) =>
K2CO3(aq) + Cu(C2H3O2)2(aq) = 2 K(C2H3O2)(aq) + CuCO3(s)
KCN + Cd(NO3)2 = KNO3 + Cd(CN)2 =>
2 KCN + Cd(NO3)2 = 2 KNO3 + Cd(CN)2
CH3COOH = CH4CO2 =>
CH3COOH = CH4CO2
MnSO4 + HCl = Mn + H2SO4 + Cl2 =>
MnSO4 + 2 HCl = Mn + H2SO4 + Cl2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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