| Équations équilibrées la veille |
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Bi + Fl = BiFl =>
Bi + Fl = BiFl
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Ag2CrO4 + Na2S = Na2CrO4 + Ag2S =>
Ag2CrO4 + Na2S = Na2CrO4 + Ag2S
Co(OH)3 + HNO3 = Co(NO3)3 + H2O =>
Co(OH)3 + 3 HNO3 = Co(NO3)3 + 3 H2O
N2O5 + Pb(OH)4 = Pb(NO3)4 + H2O =>
2 N2O5 + Pb(OH)4 = Pb(NO3)4 + 2 H2O
CuCO3 + H3PO3 = Cu3(PO3)2 + H2CO3 =>
3 CuCO3 + 2 H3PO3 = Cu3(PO3)2 + 3 H2CO3
Ag + OH = AgOH = AgO + H2O =>
Ag + OH = AgOH
Ni + H2SO4 = Ni2SO4 + H2O + SO2 =>
2 Ni + 2 H2SO4 = Ni2SO4 + 2 H2O + SO2
Cr(OH)3 + KOH = K[Cr(OH)4] =>
Cr(OH)3 + KOH = K[Cr(OH)4]
Zn + SnCl2 = Zn2Cl2 + Sn =>
2 Zn + SnCl2 = Zn2Cl2 + Sn
Al2O3 + H2SeO4 = Al2Se3O12 + H2O =>
Al2O3 + 3 H2SeO4 = Al2Se3O12 + 3 H2O
Pb(s) + Fe(NO3)3(aq) = Pb(NO3)4(aq) + Fe(s) =>
3 Pb(s) + 4 Fe(NO3)3(aq) = 3 Pb(NO3)4(aq) + 4 Fe(s)
K2Cr2O7 + Na2S + H2SO4 = Cr2(SO4)3 + NaOH + K2SO4 + S =>
2 K2Cr2O7 + 9 Na2S + 9 H2SO4 = 2 Cr2(SO4)3 + 18 NaOH + 2 K2SO4 + 10 S
KNO3 + AgCrO4 = AgNO3 + KCrO4 =>
KNO3 + AgCrO4 = AgNO3 + KCrO4
HNO3 + NH = NNO3 + H2O =>
4 HNO3 + 2 NH = 3 NNO3 + 3 H2O
NaF + BeO = BeF2 + Na2O =>
2 NaF + BeO = BeF2 + Na2O
MgFe3O4 + O2 = Fe3O4 + MgO =>
2 MgFe3O4 + O2 = 2 Fe3O4 + 2 MgO
FeSO4 + HIO3 + H2SO4 = Fe2(SO4)3 + HI + H2O =>
6 FeSO4 + HIO3 + 3 H2SO4 = 3 Fe2(SO4)3 + HI + 3 H2O
Ba(OH)2 + Pb(NO3)2 = Pb(OH)2 + Ba(NO3)2 =>
Ba(OH)2 + Pb(NO3)2 = Pb(OH)2 + Ba(NO3)2
AsO2{-} + OH{-} + I2 = AsO4{-} + H2O + I{-} =>
AsO2{-} + 4 OH{-} + 2 I2 = AsO4{-} + 2 H2O + 4 I{-}
C5H11OH + K2Cr2O7 + H2SO4 = C5H10O + K2SO4 + H2O + Cr2(SO4)3 =>
3 C5H11OH + K2Cr2O7 + 4 H2SO4 = 3 C5H10O + K2SO4 + 7 H2O + Cr2(SO4)3
Cu(OH)2 + H2SO4 = Cu2(SO4)2 + H2O =>
2 Cu(OH)2 + 2 H2SO4 = Cu2(SO4)2 + 4 H2O
HgS + HCl + HNO3 = H3HgCl4 + NO + S + H2O =>
3 HgS + 12 HCl + HNO3 = 3 H3HgCl4 + NO + 3 S + 2 H2O
Cu(CO2) = CO2 + Cu =>
Cu(CO2) = CO2 + Cu
K + Fl = KFl =>
K + Fl = KFl
PI + Pb(NO3)2 = PbI2 + P(NO3) =>
2 PI + Pb(NO3)2 = PbI2 + 2 P(NO3)
H2S + HMnO5 = S + MnO2 + H2O =>
5 H2S + 2 HMnO5 = 5 S + 2 MnO2 + 6 H2O
Na4SiO4 + CaF2 = Ca2SiO4 + NaF =>
Na4SiO4 + 2 CaF2 = Ca2SiO4 + 4 NaF
Cu2O + CuO = Cu2OCuO =>
Cu2O + CuO = Cu2OCuO
Al2(SO4)3 + (NH4)2Cr2O7 = Al2(Cr2O7)3 + (NH4)2SO4 =>
Al2(SO4)3 + 3(NH4)2Cr2O7 = Al2(Cr2O7)3 + 3(NH4)2SO4
CH3C6H4NO2 + Fe + HCl = CH3C6H4NH3Cl + FeCl2 + H2O =>
CH3C6H4NO2 + 3 Fe + 7 HCl = CH3C6H4NH3Cl + 3 FeCl2 + 2 H2O
NH4HCO3 + C12H22O11 + CH3OH = C10H15N + H2O =>
12 NH4HCO3 + C12H22O11 + 96 CH3OH = 12 C10H15N + 143 H2O
SnO + H2SO4 = (SnSO4)2 + H2O =>
2 SnO + 2 H2SO4 = (SnSO4)2 + 2 H2O
Li + Se = Li2Se =>
2 Li + Se = Li2Se
SiCl4 = Si + Cl2 =>
SiCl4 = Si + 2 Cl2
HI + MgCl2 = MgI2 + HCl =>
2 HI + MgCl2 = MgI2 + 2 HCl
FePO4 + Na2SO4 = Fe2(SO4)3 + Na3PO4 =>
2 FePO4 + 3 Na2SO4 = Fe2(SO4)3 + 2 Na3PO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
BPO4 + C2H4N4 = BP + CO2 + N2 + H2O =>
3 BPO4 + 2 C2H4N4 = 3 BP + 4 CO2 + 4 N2 + 4 H2O
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
C2H5OH + H{+} + Cr2O7{2-} = CH3COOH + H2O + Cr{3+} =>
3 C2H5OH + 16 H{+} + 2 Cr2O7{2-} = 3 CH3COOH + 11 H2O + 4 Cr{3+}
(CH2)30(CH2O)76(NH3)16(H3PO4) + O2 = H3PO4 + HNO3 + H2O + CO2 =>
(CH2)30(CH2O)76(NH3)16(H3PO4) + 153 O2 = H3PO4 + 16 HNO3 + 122 H2O + 106 CO2
CH3CO2H(aq) + Mg(OH)2(s) = H2O(l) + Mg(CH3CO2)2(aq) =>
2 CH3CO2H(aq) + Mg(OH)2(s) = 2 H2O(l) + Mg(CH3CO2)2(aq)
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
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