| Équations équilibrées la veille |
Zn + 2 CuSO4 = Cu2SO4 + ZnSO4
HgO2 = Hg2 + O4 =>
2 HgO2 = Hg2 + O4
Hg2(NO3)2 + K2CrO4 = Hg2(CrO4)2 + K2NO3 =>
Hg2(NO3)2 + 2 K2CrO4 = Hg2(CrO4)2 + 2 K2NO3
Cu + HNO3 + H = CuO + NH3 =>
3 Cu + HNO3 + 2 H = 3 CuO + NH3
C2H6O + KMnO4 = C2H4O2 + H2O + KOH + MnO =>
5 C2H6O + 4 KMnO4 = 5 C2H4O2 + 3 H2O + 4 KOH + 4 MnO
Al2O3 + K2CO3 = CO2 + KAlO2 =>
Al2O3 + K2CO3 = CO2 + 2 KAlO2
K2Cr2O7 + FeSO4 + H3SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
3 K2Cr2O7 + 4 FeSO4 + 14 H3SO4 = 3 Cr2(SO4)3 + 2 Fe2(SO4)3 + 3 K2SO4 + 21 H2O
KI + NaOH = INa + KOH =>
KI + NaOH = INa + KOH
ZnSO4KOH = KSO4ZnOH =>
ZnSO4KOH = KSO4ZnOH
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Si + H2O = SiO2 + H2 =>
Si + 2 H2O = SiO2 + 2 H2
C2H5OHNaHCO3 = H2ONaCO3C2H5 =>
C2H5OHNaHCO3 = H2ONaCO3C2H5
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
CrO3 + KNO3 + KOH4 = K2CrO4 + KNO2 + H2O =>
CrO3 + 3 KNO3 + 2 KOH4 = K2CrO4 + 3 KNO2 + 4 H2O
HgCl = HgCl2 + Hg =>
2 HgCl = HgCl2 + Hg
Co(OH)2 + NH3 + O2 + H2O = [Co(NH3)6(OH)6] =>
Co(OH)2 + 6 NH3 + O2 + 2 H2O = [Co(NH3)6(OH)6]
Cr(NO3)3 + Ba = Cr + Ba(NO3)2 =>
2 Cr(NO3)3 + 3 Ba = 2 Cr + 3 Ba(NO3)2
C5H12ONaBr = C5H11BrNaOH =>
C5H12ONaBr = C5H11BrNaOH
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe(OH)2 = Fe2O2 + H2O =>
2 Fe(OH)2 = Fe2O2 + 2 H2O
C1H1O2 + O2 = CO2 + H2O =>
4 C1H1O2 + O2 = 4 CO2 + 2 H2O
Cr2O3 + No3{-} + CO3{2-} = CrO4{2-} + No{2-} + CO2 =>
5 Cr2O3 + 6 No3{-} + 25 CO3{2-} = 10 CrO4{2-} + 18 No{2-} + 25 CO2
Ag2O3 + H2O = Ag(OH)3 =>
Ag2O3 + 3 H2O = 2 Ag(OH)3
H{+} + Cr2O7 + C2H5OH = Cr{3+} + CO2 + H2O =>
18 H{+} + 3 Cr2O7 + 2 C2H5OH = 6 Cr{3+} + 4 CO2 + 15 H2O
H{+} + N2H4 + CrO4{2-} = NH2{+} + Cr{3+} + H2O =>
16 H{+} + 3 N2H4 + 2 CrO4{2-} = 6 NH2{+} + 2 Cr{3+} + 8 H2O
Zn + H3PO4 = H2 + ZnPO4 =>
2 Zn + 2 H3PO4 = 3 H2 + 2 ZnPO4
H2S + Al = Al(H2S)3 =>
3 H2S + Al = Al(H2S)3
KCH3CO2 + Na2CO3 = K2CO3 + NaCH3CO2 =>
2 KCH3CO2 + Na2CO3 = K2CO3 + 2 NaCH3CO2
CH2O + CH3MgCl = CH4 + COH + MgOHCl =>
5 CH2O + CH3MgCl = 2 CH4 + 4 COH + MgOHCl
Na0 + H2O = NaOH + H2 =>
2 Na0 + 2 H2O = 2 NaOH + H2
K(s) + P(s) = K3P(s) =>
3 K(s) + P(s) = K3P(s)
H{+} + Cr2O7 + C2H5OH = Cr{3+} + CO2 + H2O =>
18 H{+} + 3 Cr2O7 + 2 C2H5OH = 6 Cr{3+} + 4 CO2 + 15 H2O
Cd + KMnO4 + HCl = CdCl2 + MnCl2 + KCl + H2O =>
5 Cd + 2 KMnO4 + 16 HCl = 5 CdCl2 + 2 MnCl2 + 2 KCl + 8 H2O
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
Mg + FeCl3 = Fe + MgCl =>
3 Mg + FeCl3 = Fe + 3 MgCl
Ca + Cl2I = CaCl2 + I =>
Ca + Cl2I = CaCl2 + I
H2TiO3 + H2SO4 = TiOSO4 + H2O =>
H2TiO3 + H2SO4 = TiOSO4 + 2 H2O
H{+} + Cr2O7 + C2H5OH = Cr{3+} + CO2 + H2O =>
18 H{+} + 3 Cr2O7 + 2 C2H5OH = 6 Cr{3+} + 4 CO2 + 15 H2O
Ag2O3 + H2O = Ag(OH)3 =>
Ag2O3 + 3 H2O = 2 Ag(OH)3
H2S + BrO3{-} = S + Br2 + H2O + OH{-} =>
5 H2S + 2 BrO3{-} = 5 S + Br2 + 4 H2O + 2 OH{-}
Cu + NO3H = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 NO3H = Cu(NO3)2 + 2 H2O + 2 NO2
CH3OH + HBr = CH3Br + H2O =>
CH3OH + HBr = CH3Br + H2O
SO{2+} + {+2} = SO{+3} =>
2 SO{2+} + {+2} = 2 SO{+3}
NaHSO4 + C2H5OH = C2H5HSO4 + Na2SO4 + H2O =>
2 NaHSO4 + C2H5OH = C2H5HSO4 + Na2SO4 + H2O
Cu + H3O + NO3 = Cu(H2O)6 + NO2 =>
Cu + 4 H3O + 2 NO3 = Cu(H2O)6 + 2 NO2
CoS = Co + S =>
CoS = Co + S
Bi(NO3)3 + Na2[Sn(OH)4] + NaOH = Bi + Na2[Sn(OH)6] + NaNO3 =>
2 Bi(NO3)3 + 3 Na2[Sn(OH)4] + 6 NaOH = 2 Bi + 3 Na2[Sn(OH)6] + 6 NaNO3
NH4Cl + K2(HgI4) + KOH = Hg2NI + KI + KCl + H2O =>
NH4Cl + 2 K2(HgI4) + 4 KOH = Hg2NI + 7 KI + KCl + 4 H2O
H2C2O4 + MnO4{-} + H{+} = Mn{2+} + CO2 + H2O =>
5 H2C2O4 + 2 MnO4{-} + 6 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
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