| Équations équilibrées la veille |
4 Co(ii) + 2 HNO2 = 2 Co2NO2 + H2
CH3COOH{4+} + NaOH{-} = CH3COOH(Na2O)2 + H2O =>
CH3COOH{4+} + 4 NaOH{-} = CH3COOH(Na2O)2 + 2 H2O
As4O6(s) + C(s) = As4(g) + CO(g) =>
As4O6(s) + 6 C(s) = As4(g) + 6 CO(g)
Fe2I3 + AgNO3 = Fe(NO3)3 + Ag2I =>
Fe2I3 + 6 AgNO3 = 2 Fe(NO3)3 + 3 Ag2I
Hg(NO2)3 = HgO + N2 + O2 =>
2 Hg(NO2)3 = 2 HgO + 3 N2 + 5 O2
Be + Cl2 + H3 = BeClH =>
6 Be + 3 Cl2 + 2 H3 = 6 BeClH
AgNO3(s) + HBr(aq) = AgBr + HNO3 =>
AgNO3(s) + HBr(aq) = AgBr + HNO3
C3H6O + SO4{-2} + H{+} = CO2 + H2S + H2O =>
C3H6O + 2 SO4{-2} + 4 H{+} = 3 CO2 + 2 H2S + 3 H2O
C2H4(OH)2 + KMnO4 + H2SO4 = C6H4O2 + MnSO4 + K2O4 + H2O =>
6 C2H4(OH)2 + 6 KMnO4 + 6 H2SO4 = 2 C6H4O2 + 6 MnSO4 + 3 K2O4 + 20 H2O
S30 + Fe60 = FeS =>
2 S30 + Fe60 = 60 FeS
HCN + NaOH = NaCN + H2O =>
HCN + NaOH = NaCN + H2O
Hg{2+} + H2O = Hg(OH){+} + H{+} =>
Hg{2+} + H2O = Hg(OH){+} + H{+}
RbO + SO2 = RbSO3 =>
RbO + SO2 = RbSO3
Fe(HCO3)2 = Fe + HCO3 =>
Fe(HCO3)2 = Fe + 2 HCO3
FeSO4 + K2Cr2O7 + H2SO4 = Fe(SO4)3 + KCr(SO4)3 + H2O =>
FeSO4 + 2 K2Cr2O7 + 14 H2SO4 = Fe(SO4)3 + 4 KCr(SO4)3 + 14 H2O
Al2Te3 + CaCO3 = Al2(CO3)3 + CaTe =>
Al2Te3 + 3 CaCO3 = Al2(CO3)3 + 3 CaTe
C7H15 + HCl = C5H11 + Cl =>
5 C7H15 + 2 HCl = 7 C5H11 + 2 Cl
CaO + ZnO = CaZnO2 =>
CaO + ZnO = CaZnO2
C6H13OH + Na2Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O + C6H12O =>
3 C6H13OH + Na2Cr2O7 + 4 H2SO4 = Na2SO4 + Cr2(SO4)3 + 7 H2O + 3 C6H12O
NaAl(O2) + H2O = Al(OH)3 + NaOH =>
NaAl(O2) + 2 H2O = Al(OH)3 + NaOH
Al(NO3)3 + Na2CO3 + H2O = Al(OH)3 + NaHCO3 + NaNO3 =>
Al(NO3)3 + 3 Na2CO3 + 3 H2O = Al(OH)3 + 3 NaHCO3 + 3 NaNO3
CaO2H2 + H3PO4 = Ca3P2O8 + H2O =>
3 CaO2H2 + 2 H3PO4 = Ca3P2O8 + 6 H2O
Pb3(PO4)2 + H2O = Pb(OH)2 + H3PO4 =>
Pb3(PO4)2 + 6 H2O = 3 Pb(OH)2 + 2 H3PO4
CH3COCl + C2H5OH = CH3CH(OH)Cl + CH3CH2O =>
CH3COCl + 2 C2H5OH = CH3CH(OH)Cl + 2 CH3CH2O
C4H7Br + KOH = C4H6 + KBr + H2O =>
C4H7Br + KOH = C4H6 + KBr + H2O
AlF + O2 = F2 + Al2O3 =>
4 AlF + 3 O2 = 2 F2 + 2 Al2O3
Na2CO3 + Al(NO3)3 + H2O = Al(OH)3 + H2CO3 + NaNO3 =>
3 Na2CO3 + 2 Al(NO3)3 + 6 H2O = 2 Al(OH)3 + 3 H2CO3 + 6 NaNO3
Pb(NO3)2 + Zn = PbZn2 + NO3 =>
Pb(NO3)2 + 2 Zn = PbZn2 + 2 NO3
Ca + Fe(OH)2 = CaOH + Fe2 =>
4 Ca + 2 Fe(OH)2 = 4 CaOH + Fe2
NO2{-} + SO3{2-} + H{+} = NO + SO4{2-} + H2O =>
2 NO2{-} + SO3{2-} + 2 H{+} = 2 NO + SO4{2-} + H2O
FeSO4*7H2O + NaHCO3 = Na2SO4 + Fe(HCO3)2 + H2O =>
FeSO4*7H2O + 2 NaHCO3 = Na2SO4 + Fe(HCO3)2 + 7 H2O
Pb3O4 + HCl = PbCl2 + H2O + O2 =>
2 Pb3O4 + 12 HCl = 6 PbCl2 + 6 H2O + O2
Bi(NO3)3*5H2O + CH3COONa = Bi2O2CO3 + H2O + CO2 + NO2 + NaOH =>
8 Bi(NO3)3*5H2O + 3 CH3COONa = 4 Bi2O2CO3 + 43 H2O + 2 CO2 + 24 NO2 + 3 NaOH
Ba + (OH)2 + HCl = BaCl2 + H2O =>
Ba + (OH)2 + 2 HCl = BaCl2 + 2 H2O
Cu(s) + HNO3 = Cu(NO3)2 + NO(g) + H2O =>
3 Cu(s) + 8 HNO3 = 3 Cu(NO3)2 + 2 NO(g) + 4 H2O
KCl + Na3Co(NO2)6 = K2NaCo(NO2)6 + NaCl =>
2 KCl + Na3Co(NO2)6 = K2NaCo(NO2)6 + 2 NaCl
Pb(C4H4O6)2 + Cu(CN) = Pb(CN)4 + Cu2(C4H4O6) =>
Pb(C4H4O6)2 + 4 Cu(CN) = Pb(CN)4 + 2 Cu2(C4H4O6)
Ni2 + O3 = NiO =>
3 Ni2 + 2 O3 = 6 NiO
XeO3 = Xe + O =>
XeO3 = Xe + 3 O
AgOH + HCl = AgCl + H2O =>
AgOH + HCl = AgCl + H2O
K2Po4(aq) + MgCl2(aq) = MgPo4 + KCl =>
K2Po4(aq) + MgCl2(aq) = MgPo4 + 2 KCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeSO4 + NH4Cl = FeCl2 + (NH4)2SO4 =>
FeSO4 + 2 NH4Cl = FeCl2 + (NH4)2SO4
C6H5Cl + NaNH2 = C6H5NH2 + NaCl =>
C6H5Cl + NaNH2 = C6H5NH2 + NaCl
LiNO3 + FeBr3 = LiBr + Fe(NO3)3 =>
3 LiNO3 + FeBr3 = 3 LiBr + Fe(NO3)3
NaBr + BaCl2 = Na2Ba + Br2Cl2 =>
2 NaBr + BaCl2 = Na2Ba + Br2Cl2
Pb(NO3)2(aq) + HI(aq) = PbI2(s) + HNO3 =>
Pb(NO3)2(aq) + 2 HI(aq) = PbI2(s) + 2 HNO3
Zn + H{+} + WO3 = Zn2{+} + HWO3 =>
2 Zn + H{+} + WO3 = Zn2{+} + HWO3
C3H7OH() + O2 = CO2 + H2O =>
2 C3H7OH() + 9 O2 = 6 CO2 + 8 H2O
Na + Cr2(SO4)3 = CrSO4 + Na2SO4 =>
2 Na + Cr2(SO4)3 = 2 CrSO4 + Na2SO4
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