Équations équilibrées la veille |
PbS + Cu2S + 8 HNO3 = Pb(NO3)2 + 2 Cu(NO3)2NO + S2 + 4 H2O
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
C3H6O2 + Ag2O = CO2 + H2O + Ag =>
C3H6O2 + 7 Ag2O = 3 CO2 + 3 H2O + 14 Ag
H2 + W5 = H2W =>
5 H2 + W5 = 5 H2W
NaOH + CH3CH2OH = Na2CO3 + CH4 + H2 =>
2 NaOH + CH3CH2OH = Na2CO3 + CH4 + 2 H2
CuCl + C2H2O4 = Cu + HCl + CO2 =>
2 CuCl + C2H2O4 = 2 Cu + 2 HCl + 2 CO2
FeS2 + NaOH = Fe2O3 + Na2S + Na2S2O3 + H2O =>
8 FeS2 + 30 NaOH = 4 Fe2O3 + 14 Na2S + Na2S2O3 + 15 H2O
Ca(HCO3)2 + NaOH = NaHCO3 + Ca(OH)2 =>
Ca(HCO3)2 + 2 NaOH = 2 NaHCO3 + Ca(OH)2
O2 + N2 = NO2 = O2 + N2 =>
2 O2 + N2 = 2 NO2
Sr(NO3)2(aq) + Na2CO3(aq) = SrCO3(aq) + Na(NO3)(aq) =>
Sr(NO3)2(aq) + Na2CO3(aq) = SrCO3(aq) + 2 Na(NO3)(aq)
Pt + HCl = H2PtCl6 + H2 =>
Pt + 6 HCl = H2PtCl6 + 2 H2
Mg + Fe = MgFe2 =>
Mg + 2 Fe = MgFe2
PCl5 + H2O = HCl + HPO3 =>
PCl5 + 3 H2O = 5 HCl + HPO3
KMnO4 + Na2S + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
8 KMnO4 + 5 Na2S + 12 H2SO4 = 8 MnSO4 + 5 Na2SO4 + 4 K2SO4 + 12 H2O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
HCl + Ca(OCl)2 = CaCl2 + Cl + H2O =>
4 HCl + Ca(OCl)2 = CaCl2 + 4 Cl + 2 H2O
Zn + H2SO4 = ZnSO4 + H =>
Zn + H2SO4 = ZnSO4 + 2 H
Fe2O3 + H2O2 = FeO2 + H2O =>
Fe2O3 + H2O2 = 2 FeO2 + H2O
H2O2 = H2O + O2* =>
2 H2O2 = 2 H2O + O2*
CH3C(CH3)CHCH3 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
2 CH3C(CH3)CHCH3 + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 6 H2O + 4 MnSO4 + 2 K2SO4
V + NaCl = VCl + Na2 =>
2 V + 2 NaCl = 2 VCl + Na2
HI + Fe = FeI + H2 =>
2 HI + 2 Fe = 2 FeI + H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NO2 + H2S = N2O + H2O + S =>
2 NO2 + 3 H2S = N2O + 3 H2O + 3 S
ZnNH3SO4 + S = NH3SO4 + ZnS =>
ZnNH3SO4 + S = NH3SO4 + ZnS
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Pb(NO3)2 + Cu + H2SO4 = PbSO4 + CuSO4 + NO + H2O =>
Pb(NO3)2 + 3 Cu + 4 H2SO4 = PbSO4 + 3 CuSO4 + 2 NO + 4 H2O
CH3NH3Cl + NaOH = CH3NH3 + NaCl + OH =>
CH3NH3Cl + NaOH = CH3NH3 + NaCl + OH
AgF + NH4OH = NH4F + Ag(OH) =>
AgF + NH4OH = NH4F + Ag(OH)
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
HClO4 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
2 HClO4 + Ca(OH)2 = Ca(ClO4)2 + 2 H2O
C6H2O6 + O2 = CO2 + H2O =>
2 C6H2O6 + 7 O2 = 12 CO2 + 2 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
CaS + HCl = CaCl2 + H2S =>
CaS + 2 HCl = CaCl2 + H2S
CaO + SO2 = CaSO3 =>
CaO + SO2 = CaSO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Al + HBr = AlBr3 + H2 =>
2 Al + 6 HBr = 2 AlBr3 + 3 H2
CH3COONaH2SO4 = CH3COOH2NaSO4 =>
CH3COONaH2SO4 = CH3COOH2NaSO4
Mg(NH3)2 + NaOH = Mg(OH)2 + NaNH3 =>
Mg(NH3)2 + 2 NaOH = Mg(OH)2 + 2 NaNH3
COCl2 + H2O = HCl + CO2 =>
COCl2 + H2O = 2 HCl + CO2
Cu(OH)2Zn = Zn[Cu(OH)2] =>
Cu(OH)2Zn = Zn[Cu(OH)2]
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C10H15 + C4H3 + C10H5NO = C24H23NO =>
C10H15 + C4H3 + C10H5NO = C24H23NO
CaS + H2O2 = CaSO4 + H2O =>
CaS + 4 H2O2 = CaSO4 + 4 H2O
CoON2O5 = Co(NO3)2 =>
CoON2O5 = Co(NO3)2
BeCl2 + H2SO4 = BeSO4 + HCl =>
BeCl2 + H2SO4 = BeSO4 + 2 HCl
AgF + NH4OH = Ag(NH3)2F + H2O =>
AgF + 2 NH4OH = Ag(NH3)2F + 2 H2O
KOHFe(NO3)3 = FeOHK(NO3)3 =>
KOHFe(NO3)3 = FeOHK(NO3)3
K3PO4 + Cr(NO3)3 = CrPO4 + KNO3 =>
K3PO4 + Cr(NO3)3 = CrPO4 + 3 KNO3
(NH4)2S + HCl = NH4Cl + H2S =>
(NH4)2S + 2 HCl = 2 NH4Cl + H2S
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