| Équations équilibrées la veille |
Pb(OH)2 + 2 Na = Na2PbO2 + H2
R + O = RO =>
R + O = RO
Fe{+2} + CO2 = C2O4{-2} + Fe{+3} =>
2 Fe{+2} + 2 CO2 = C2O4{-2} + 2 Fe{+3}
Na2CO3 + Sr(NO2)2 = NaNO2 + SrCO3 =>
Na2CO3 + Sr(NO2)2 = 2 NaNO2 + SrCO3
AgNO3(aq) + NaBr(aq) = NaNO3(l) + AgBr(s) =>
AgNO3(aq) + NaBr(aq) = NaNO3(l) + AgBr(s)
H2S + NaOH = NaH3OS =>
H2S + NaOH = NaH3OS
H{+} + H2S + Cr2O7{-2} = Cr2O3 + S8 + H2O =>
16 H{+} + 24 H2S + 8 Cr2O7{-2} = 8 Cr2O3 + 3 S8 + 32 H2O
Fe(NO3)3 + NaNCS = Fe(NCS)3 + Na(NO3) =>
Fe(NO3)3 + 3 NaNCS = Fe(NCS)3 + 3 Na(NO3)
CH4 + H2O2 = CH3OH + H2O =>
CH4 + H2O2 = CH3OH + H2O
Pb(NO3)2 + SrBr2 = PbBr2 + Sr(NO3)2 =>
Pb(NO3)2 + SrBr2 = PbBr2 + Sr(NO3)2
Ta2O5 + KHF2 + HF = K2[TaF7] + H2O =>
Ta2O5 + 4 KHF2 + 6 HF = 2 K2[TaF7] + 5 H2O
KBr + HCIO = KH + BrCIO =>
KBr + HCIO = KH + BrCIO
KClO3 + K2S = KCl + K2SO4 =>
4 KClO3 + 3 K2S = 4 KCl + 3 K2SO4
MnO2 + KCl + H2O = Mn(OH)2 + KOH + Cl2 =>
MnO2 + 2 KCl + 2 H2O = Mn(OH)2 + 2 KOH + Cl2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
K2Cr2O7 + H2SO4 + KI = K2SO4 + HI2 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 10 H2SO4 + 12 KI = 7 K2SO4 + 6 HI2 + Cr2(SO4)3 + 7 H2O
MnO4{-} + I{-} + OH{-} = MnO4{2-} + IO3{-} + H2O =>
6 MnO4{-} + I{-} + 6 OH{-} = 6 MnO4{2-} + IO3{-} + 3 H2O
Al2S3(s) = Al(s) + S8(s) =>
8 Al2S3(s) = 16 Al(s) + 3 S8(s)
NaNO3 + Fe2S3 + H2SO4 = Fe2(SO4)3 + NO + Na2SO4 + H2O =>
8 NaNO3 + Fe2S3 + 4 H2SO4 = Fe2(SO4)3 + 8 NO + 4 Na2SO4 + 4 H2O
Co(NO3)2*H2O + AlCl3*H2O = CoAl2O4 + H2O + NO + Cl2 =>
Co(NO3)2*H2O + 2 AlCl3*H2O = CoAl2O4 + 3 H2O + 2 NO + 3 Cl2
Na2ZnO2 + H2O = ZnO + NaOH =>
Na2ZnO2 + H2O = ZnO + 2 NaOH
Cl2 + KOH = KCl + H2O + O =>
Cl2 + 2 KOH = 2 KCl + H2O + O
Sr(HCO3)2 + H2SO4 = SrSO4 + H2O + CO2 =>
Sr(HCO3)2 + H2SO4 = SrSO4 + 2 H2O + 2 CO2
CH2OH + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
2 CH2OH + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 6 H2O + K2SO4 + 2 MnSO4
C12H22O11 + C2H5OH + HNO3 = C10H9NO2 + H2O =>
5 C12H22O11 + 30 C2H5OH + 12 HNO3 = 12 C10H9NO2 + 97 H2O
C2H4O2NaOH = C2H3NaO2H2O =>
C2H4O2NaOH = C2H3NaO2H2O
NH3 + N2O3 = N + (H2O)3 =>
2 NH3 + N2O3 = 4 N + (H2O)3
Zn + KO = ZnKO =>
Zn + KO = ZnKO
Ba(NO3)2(aq) + H3PO4(aq) = Ba3(PO4)2(s) + HNO3(aq) =>
3 Ba(NO3)2(aq) + 2 H3PO4(aq) = Ba3(PO4)2(s) + 6 HNO3(aq)
Ca(OH2) + K3PO4 = CaPO4 + K3(OH2) =>
Ca(OH2) + K3PO4 = CaPO4 + K3(OH2)
PO4 + CaCl2 = Ca3(PO4)2 + Cl =>
2 PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 Cl
CH3COOH + NaHCO3 = NaCHCOO + CO2 + H2O =>
3 CH3COOH + 4 NaHCO3 = 4 NaCHCOO + 2 CO2 + 6 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Br2 + H16C10 = HBr + C =>
8 Br2 + H16C10 = 16 HBr + 10 C
Cu(OH)2 + KI = CuI + I2 + KOH =>
2 Cu(OH)2 + 4 KI = 2 CuI + I2 + 4 KOH
C2H2 + F2 = C6H5F + H2 =>
6 C2H2 + F2 = 2 C6H5F + H2
HNO3 = H2O + N2O3 + O =>
2 HNO3 = H2O + N2O3 + 2 O
CaO + B = Ca + B2O3 =>
3 CaO + 2 B = 3 Ca + B2O3
BaCl{2}(aq) + CuSO{4} = BaSO{4}(S) + CuCl{2}(aq) =>
BaCl{2}(aq) + CuSO{4} = BaSO{4}(S) + CuCl{2}(aq)
Pb(OH)2 + H2 = Pb + H2O =>
Pb(OH)2 + H2 = Pb + 2 H2O
(N2)3 + (H2)8 = (NH3)6 =>
8(N2)3 + 9(H2)8 = 8(NH3)6
C7H14O + NaBH4 = C7H16O + NaBH2 =>
C7H14O + NaBH4 = C7H16O + NaBH2
AgNO3(s) + Ni(s) = Ni(NO3)(aq) + Ag(s) =>
AgNO3(s) + Ni(s) = Ni(NO3)(aq) + Ag(s)
Cu + B = Cu3B2 =>
3 Cu + 2 B = Cu3B2
CH3COO{-} + H3O{+)+NaHCO3 = CH3COONa+H2O+CO2 =>
CH3COO{-} + H3O{+)+NaHCO3 = CH3COONa+2H2O+CO2
CaCl2 + MgHO2 = MgCl2 + CaHO2 =>
CaCl2 + MgHO2 = MgCl2 + CaHO2
Ca(OH)2 + HBrO2 = H2O + Ca(BrO2)2 =>
Ca(OH)2 + 2 HBrO2 = 2 H2O + Ca(BrO2)2
LiSO2 + H2O = H2 + LiOH + H2SO4 =>
2 LiSO2 + 6 H2O = 3 H2 + 2 LiOH + 2 H2SO4
Pb(NO3){2} + KCl = PbCl + K(NO3){2} =>
Pb(NO3){2} + KCl = PbCl + K(NO3){2}
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