| Équations équilibrées la veille |
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
NaC2H3O2 + HCl = NaCl + HC2H3O2 =>
NaC2H3O2 + HCl = NaCl + HC2H3O2
H4SiO4 + KOH = K4SiO4 + H2O = K4SiO4 =>
H4SiO4 + 4 KOH = K4SiO4 + 4 H2O
Er(NO3)35H2O + C8H5KO4 = CHErO6 + CO + H2O + KOH + NO2 =>
14 Er(NO3)35H2O + 61 C8H5KO4 = 14 CHErO6 + 474 CO + 129 H2O + 61 KOH + 490 NO2
CNH2N + O2 = CO2 + H2O + N2 =>
2 CNH2N + 3 O2 = 2 CO2 + 2 H2O + 2 N2
Fe + HI = FeHI =>
Fe + HI = FeHI
NaNO3 + Ni(OH)2 = NaOH + Ni(NO3)2 =>
2 NaNO3 + Ni(OH)2 = 2 NaOH + Ni(NO3)2
Sn + HCO3 = Sn(HCO3)4 =>
Sn + 4 HCO3 = Sn(HCO3)4
Al(NO3)3 + Li2SO4 = LiNO3 + Al2(SO4)3 =>
2 Al(NO3)3 + 3 Li2SO4 = 6 LiNO3 + Al2(SO4)3
Fe + PbCl2 = FeCl2 + Pb =>
Fe + PbCl2 = FeCl2 + Pb
KCIO2 = KCI + O2 =>
KCIO2 = KCI + O2
HNO3 + Na2O = NaNO3 + H2O =>
2 HNO3 + Na2O = 2 NaNO3 + H2O
RCOOH + Na2CO3 = RCOONa + CO2 + H2O =>
2 RCOOH + Na2CO3 = 2 RCOONa + CO2 + H2O
C6H12O6 + K2Cr2O7 + H2SO7 = K2SO4 + Cr2(SO4) + CO2 + H2O =>
11 C6H12O6 + 12 K2Cr2O7 + 24 H2SO7 = 12 K2SO4 + 12 Cr2(SO4) + 66 CO2 + 90 H2O
propene + KMnO4 + water = C3H8O2 + KOH + MnO2 =>
3 CH3CHCH2 + 2 KMnO4 + 4 H2O = 3 C3H8O2 + 2 KOH + 2 MnO2
O2 + NaNO2 + H2SO4 = Na2SO4 + NO2 + H2O =>
O2 + 4 NaNO2 + 2 H2SO4 = 2 Na2SO4 + 4 NO2 + 2 H2O
K4[Fe(CN)6] + KClO2 + H2O = KCl + KOH + K3[Fe(CN)6] =>
4 K4[Fe(CN)6] + KClO2 + 2 H2O = KCl + 4 KOH + 4 K3[Fe(CN)6]
H2SiO3 + NaI = HI + Na2SiO3 =>
H2SiO3 + 2 NaI = 2 HI + Na2SiO3
Zn(OH)2 + NH3 + H2O = Zn(NH4(OH)3) =>
Zn(OH)2 + NH3 + H2O = Zn(NH4(OH)3)
CuSO4(aq) + Al(s) + HCl(aq) = Cu(s) + AlCl3(aq) + H2SO4(aq) =>
3 CuSO4(aq) + 2 Al(s) + 6 HCl(aq) = 3 Cu(s) + 2 AlCl3(aq) + 3 H2SO4(aq)
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
CaCO3(aq) = CaO(aq) + CO2(aq) =>
CaCO3(aq) = CaO(aq) + CO2(aq)
S2O3{2-} + H3O{+} = S + SO2 + OH{-} =>
2 S2O3{2-} + H3O{+} = 2 S + 2 SO2 + 3 OH{-}
Hg(NO3)2 + Ag = Hg + Ag(NO3) =>
Hg(NO3)2 + 2 Ag = Hg + 2 Ag(NO3)
Ni(C2H3O2)2 + Al = Ni + Al(C2H3O2)2 =>
Ni(C2H3O2)2 + Al = Ni + Al(C2H3O2)2
CH3NH3ClNaOH = CH3NH2NaClH2O =>
CH3NH3ClNaOH = CH3NH2NaClH2O
Al + Hg(C2H3O2)2 = Hg + Al(C2H3O2)3 =>
2 Al + 3 Hg(C2H3O2)2 = 3 Hg + 2 Al(C2H3O2)3
K4[Fe(CN)6] + NaOH = Fe(OH)2 + NaCN + KCN =>
K4[Fe(CN)6] + 2 NaOH = Fe(OH)2 + 2 NaCN + 4 KCN
CH3NH3ClNaOH = CH3NH3OHNaCl =>
CH3NH3ClNaOH = CH3NH3OHNaCl
BaCl2 + Fe(NO3)2 = Ba(NO3)2 + FeCl2 =>
BaCl2 + Fe(NO3)2 = Ba(NO3)2 + FeCl2
H2SeO4 + P4O10 = SeO3 + H3PO4 =>
6 H2SeO4 + P4O10 = 6 SeO3 + 4 H3PO4
UO2{2+} + Fe{2+} + H2O = UO2 + Fe(OH)3 + H{+} =>
UO2{2+} + 2 Fe{2+} + 6 H2O = UO2 + 2 Fe(OH)3 + 6 H{+}
CH3NH3ClNaOH = CH3NH2NaClHOH =>
CH3NH3ClNaOH = CH3NH2NaClHOH
HClO3 + Br2 + H2O = H2BrO3 + HCl =>
4 HClO3 + 3 Br2 + 6 H2O = 6 H2BrO3 + 4 HCl
Nb(CO3)2 = Nb + CO3 =>
Nb(CO3)2 = Nb + 2 CO3
Fe2 + S2 = Fe3S2 =>
3 Fe2 + 2 S2 = 2 Fe3S2
Cu + AlCl3 = CuCl + Al =>
3 Cu + AlCl3 = 3 CuCl + Al
Eu + H2SO4 = Eu2(SO4)3 + H2 =>
2 Eu + 3 H2SO4 = Eu2(SO4)3 + 3 H2
NaHSO4 + Cu(OH)2 = Na2SO4 + CuSO4 + H2O =>
2 NaHSO4 + Cu(OH)2 = Na2SO4 + CuSO4 + 2 H2O
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
FeCr2O4 = Cr + Fe + O2 =>
FeCr2O4 = 2 Cr + Fe + 2 O2
Br2 + HNO3 = HBrO3 + NO + H2O =>
3 Br2 + 10 HNO3 = 6 HBrO3 + 10 NO + 2 H2O
Pb(OH)2 + HCl = PbCl2 + H2O* =>
Pb(OH)2 + 2 HCl = PbCl2 + 2 H2O*
Co2 = Co5 =>
5 Co2 = 2 Co5
Al(HSO3)3 + HCl = AlCl3 + SO2 + H2O =>
Al(HSO3)3 + 3 HCl = AlCl3 + 3 SO2 + 3 H2O
K(ClO4) = KCl + O2 =>
K(ClO4) = KCl + 2 O2
SnCl2 + LiOH = LiCl2 + SnOH =>
SnCl2 + LiOH = LiCl2 + SnOH
SnCl2 + K2CrO7 + HCl = SnCl4 + CrCl3 + KCl + H2O =>
9 SnCl2 + 2 K2CrO7 + 28 HCl = 9 SnCl4 + 2 CrCl3 + 4 KCl + 14 H2O
NaCl + H2O + AgNO3 = HNO3 + HCl + NaAgO =>
NaCl + H2O + AgNO3 = HNO3 + HCl + NaAgO
HNO3 + CuSO4 = Cu(NO3)2 + H2SO4 =>
2 HNO3 + CuSO4 = Cu(NO3)2 + H2SO4
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Équations équilibrées sur11/23/24
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