| Équations équilibrées la veille |
FeCl3 + 2 Na2HPO4 = FePO4 + 3 NaCl + NaH2PO4
Cr2 + O2 + H2 = Cr6H5OH =>
6 Cr2 + O2 + 6 H2 = 2 Cr6H5OH
NO + RCO3 = NO2 + RCO2 =>
NO + RCO3 = NO2 + RCO2
NH4NOO3 = N2 + O2 + H2O =>
NH4NOO3 = N2 + O2 + 2 H2O
Sr(OH)2 + NH4Cl = SrCl2 + NH3 + H2O =>
Sr(OH)2 + 2 NH4Cl = SrCl2 + 2 NH3 + 2 H2O
Na2O + Ca = CaO + Na2 =>
Na2O + Ca = CaO + Na2
Pb(CH3COO)2 + NaBH4 + H2O = Pb + NaCH3COO + H3BO3 + H2 =>
Pb(CH3COO)2 + 2 NaBH4 + 6 H2O = Pb + 2 NaCH3COO + 2 H3BO3 + 7 H2
Na + HSO = NaSO + H =>
Na + HSO = NaSO + H
Fe(NO3)2 = FeO + NO2 + O2 =>
2 Fe(NO3)2 = 2 FeO + 4 NO2 + O2
P + BaO = P2O3 + Ba =>
2 P + 3 BaO = P2O3 + 3 Ba
Co(s) + HCl(aq) = CoCl3(aq) + H2(g) =>
2 Co(s) + 6 HCl(aq) = 2 CoCl3(aq) + 3 H2(g)
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
CaI2 + HgNO3 = Ca(NO3)2 + HgI =>
CaI2 + 2 HgNO3 = Ca(NO3)2 + 2 HgI
S2O3{2-} + I2 = S4O6{2-} + I{-} =>
2 S2O3{2-} + I2 = S4O6{2-} + 2 I{-}
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
Na3[Cr(OH)6] + NaBiO3 + H2O = Na2CrO4 + Bi(OH)3 + NaOH =>
2 Na3[Cr(OH)6] + 3 NaBiO3 + H2O = 2 Na2CrO4 + 3 Bi(OH)3 + 5 NaOH
Mn02 + KClO3 + KOH = K2MnO4 + KCl + H2 =>
3 Mn02 + 4 KClO3 + 12 KOH = 6 K2MnO4 + 4 KCl + 6 H2
NaBr + Hg2(NO3)2 = Na(NO3) + Hg2Br2 =>
2 NaBr + Hg2(NO3)2 = 2 Na(NO3) + Hg2Br2
Ba(OH)2 + NO2 + O2 = Ba(NO3)2 + H2O =>
2 Ba(OH)2 + 4 NO2 + O2 = 2 Ba(NO3)2 + 2 H2O
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
Na2S + Al2(SO4)3 = Al2S3 + Na2SO4 =>
3 Na2S + Al2(SO4)3 = Al2S3 + 3 Na2SO4
AlCl3(aq) + PbSO4(aq) = AlSO4 + PbCl3 =>
AlCl3(aq) + PbSO4(aq) = AlSO4 + PbCl3
Ca(ClO)2 + HCl = CaCl2 + H2O + Cl2 =>
Ca(ClO)2 + 4 HCl = CaCl2 + 2 H2O + 2 Cl2
NO3 + H2 = NO2 + H2O =>
NO3 + H2 = NO2 + H2O
Ca(CH3COO)2 = CaCO3 + C3H6O =>
Ca(CH3COO)2 = CaCO3 + C3H6O
As2O3 + I2 + H2O = H3AsO4 + HI =>
As2O3 + 2 I2 + 5 H2O = 2 H3AsO4 + 4 HI
C2H3NaO2 + KHSO4 = KNaSO4 + C2H4O2 =>
C2H3NaO2 + KHSO4 = KNaSO4 + C2H4O2
Cl2 + C2H2 = C2H2Cl4 =>
2 Cl2 + C2H2 = C2H2Cl4
PI = P + I =>
PI = P + I
FeS + Na2PO4 = Na2S + FePO4 =>
FeS + Na2PO4 = Na2S + FePO4
NaOH(aq) + SrCl2(aq) = NaSr(aq) + Cl2OH(aq) =>
NaOH(aq) + SrCl2(aq) = NaSr(aq) + Cl2OH(aq)
HBO3 + Mg = Mg(BO3)2 + H2 =>
2 HBO3 + Mg = Mg(BO3)2 + H2
Pb + H2SO4 + O2 = PbSO4 + H2O =>
2 Pb + 2 H2SO4 + O2 = 2 PbSO4 + 2 H2O
FeI3 + Na2SO4 = Fe2(SO4)3 + NaI =>
2 FeI3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaI
Na2O + CuO = Na2CuO2 =>
Na2O + CuO = Na2CuO2
P3 + O2 = P5O2 =>
5 P3 + 3 O2 = 3 P5O2
Ag(NO3) + KSCN = AgSCN + K(NO3) =>
Ag(NO3) + KSCN = AgSCN + K(NO3)
C2H6 + HCl = C2HCl + H2 =>
C2H6 + HCl = C2HCl + 3 H2
Cr2O7{2-} + H{+} + HNO2 = Cr{3+} + H2O + NO3{-} =>
Cr2O7{2-} + 5 H{+} + 3 HNO2 = 2 Cr{3+} + 4 H2O + 3 NO3{-}
[Cr(H2O)6]Cl3 + H2SO4 = Cr2(SO4)3 + HCl + H2O =>
2[Cr(H2O)6]Cl3 + 3 H2SO4 = Cr2(SO4)3 + 6 HCl + 12 H2O
Te + H2O = H2TeO3 + H =>
Te + 3 H2O = H2TeO3 + 4 H
AgOH + CH3COOH = Ag(CH3) + CO2 + H2O =>
AgOH + CH3COOH = Ag(CH3) + CO2 + H2O
Bi + S + Se = Bi200S6Se298 =>
200 Bi + 6 S + 298 Se = Bi200S6Se298
NaOH + Fe(ClO3)3 = Fe(OH)3 + NaClO3 =>
3 NaOH + Fe(ClO3)3 = Fe(OH)3 + 3 NaClO3
KMnO4 + KI + H2SO4 = K2SO4 + MnSO4 + KIO3 + H2O =>
6 KMnO4 + 5 KI + 9 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 KIO3 + 9 H2O
CH3CH2CH2Br + CH3CH2Na = CH3CH2CH2CH2CH3 + NaBr =>
CH3CH2CH2Br + CH3CH2Na = CH3CH2CH2CH2CH3 + NaBr
Ba(OH)2 + P2O5 = H2O + Ba3(PO4)2 =>
3 Ba(OH)2 + P2O5 = 3 H2O + Ba3(PO4)2
H2S = H2 + S3 =>
3 H2S = 3 H2 + S3
SnCl2 + LiOH = Sn(OH)2 + LiCl =>
SnCl2 + 2 LiOH = Sn(OH)2 + 2 LiCl
Hg2Cl2 + HCl = HgCl2 + H2Cl =>
Hg2Cl2 + 4 HCl = 2 HgCl2 + 2 H2Cl
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