| Équations équilibrées la veille |
2 KOH + CoO2 = 2 KO + Co(OH)2
K2CO3 + O2 + MoO2 = K2MoO4 + CO2 =>
2 K2CO3 + O2 + 2 MoO2 = 2 K2MoO4 + 2 CO2
C8H17COOH + O2 = CO + H2O =>
C8H17COOH + 8 O2 = 9 CO + 9 H2O
Sb2S3 + HCl = HSbCl4 + H2S =>
Sb2S3 + 8 HCl = 2 HSbCl4 + 3 H2S
AgNO3(aq) + HCl(aq) = AgCl(s) + HNO3 =>
AgNO3(aq) + HCl(aq) = AgCl(s) + HNO3
Hg + H2SO4 = HgSO4 + SO2 + H2O =>
Hg + 2 H2SO4 = HgSO4 + SO2 + 2 H2O
SrF2 + HCl = SrCl2 + HF =>
SrF2 + 2 HCl = SrCl2 + 2 HF
KH + H{3}PO{4} = K{3}PO{4} + H{2}O =>
KH + 5 H{3}PO{4} = K{3}PO{4} + 6 H{2}O
Sn(OH)2 + H2SO3 = Sn2(SO3)2 + H2O =>
2 Sn(OH)2 + 2 H2SO3 = Sn2(SO3)2 + 4 H2O
ZnSO4 + NH4OH = [Zn(NH3)4](OH)2 + (NH4)2SO4 + H2O =>
ZnSO4 + 6 NH4OH = [Zn(NH3)4](OH)2 + (NH4)2SO4 + 4 H2O
AlCl3 + CH3COONa = Al(CH3COO)3 + NaCl =>
AlCl3 + 3 CH3COONa = Al(CH3COO)3 + 3 NaCl
Cr2O7 + Br{-} + H{+} = Cr{3+} + H2O + Br2 =>
Cr2O7 + 8 Br{-} + 14 H{+} = 2 Cr{3+} + 7 H2O + 4 Br2
N2O4 + H2O = HNO3 + NO =>
3 N2O4 + 2 H2O = 4 HNO3 + 2 NO
Zn(s) + Cr(NO3)3(aq) = Zn(NO3)2 + Cr =>
3 Zn(s) + 2 Cr(NO3)3(aq) = 3 Zn(NO3)2 + 2 Cr
C21H6O + O26 = CO2 + H2O =>
13 C21H6O + 22 O26 = 273 CO2 + 39 H2O
Mg(s) + H2SO4(aq) = MgSO4(aq) + H2(g) =>
Mg(s) + H2SO4(aq) = MgSO4(aq) + H2(g)
KrCr2O7 + HCl = CrCl3 + KrCl + H2O + Cl2 =>
2 KrCr2O7 + 28 HCl = 4 CrCl3 + 2 KrCl + 14 H2O + 7 Cl2
Fe + Pb(No3)2 = Pb + FeNo3 =>
2 Fe + Pb(No3)2 = Pb + 2 FeNo3
Fe(ii)(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(ii)(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
LiBr + H3PO4 = Li3PO4 + Br2 + H3P + H2O =>
24 LiBr + 11 H3PO4 = 8 Li3PO4 + 12 Br2 + 3 H3P + 12 H2O
SnO + HNO3 = Sn(NO3)4 + NO + H2O =>
3 SnO + 14 HNO3 = 3 Sn(NO3)4 + 2 NO + 7 H2O
H2C3O2 + OH = H2O + CO =>
H2C3O2 + 4 OH = 3 H2O + 3 CO
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
CHNO + H2O = CO2 + NH3 =>
CHNO + H2O = CO2 + NH3
CaCO3 + HCl = CaCl + HCO3 = H2O =>
CaCO3 + HCl = CaCl + HCO3
ClO3{-} + C6H12O6 = Cl{-} + CO2 + H2O =>
4 ClO3{-} + C6H12O6 = 4 Cl{-} + 6 CO2 + 6 H2O
NaHCO3 + HCl = NaCl + H2CO3 = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2CO3
C8H5O4K(aq) + NaOH(aq) = C4H4O4 + Na + H2O + K =>
C8H5O4K(aq) + 5 NaOH(aq) = 2 C4H4O4 + 5 Na + H2O + K
Cl{-} + H{+} + NO3 = Cl2 + NO2 + H2O =>
2 Cl{-} + 2 H{+} + NO3 = Cl2 + NO2 + H2O
MgCl2 + Pb(NO3)2 = PbCl2 + Mg(NO3)2 =>
MgCl2 + Pb(NO3)2 = PbCl2 + Mg(NO3)2
H2S + Cu2 = Cu2S + H2 =>
H2S + Cu2 = Cu2S + H2
Ca + BN = Ca3N2 + B =>
3 Ca + 2 BN = Ca3N2 + 2 B
CUO + Mg = MgO + CU =>
CUO + Mg = MgO + CU
Al4C + Cl2 = AlCl3 + CCl4 =>
Al4C + 8 Cl2 = 4 AlCl3 + CCl4
S2O3{2-} + I3{-} = S4O6{2-} + I{-} =>
2 S2O3{2-} + I3{-} = S4O6{2-} + 3 I{-}
Hg2(NO3)2 + K = Hg + KNO3 =>
Hg2(NO3)2 + 2 K = 2 Hg + 2 KNO3
BaCl2 + Al(SO4) = Ba(SO4) + AlCl2 =>
BaCl2 + Al(SO4) = Ba(SO4) + AlCl2
Ag(NH3)2{+} + KBr + Cl{-} = AgBr + NH3 + KCl =>
Ag(NH3)2{+} + KBr + Cl{-} = AgBr + 2 NH3 + KCl
Na3AsO4 + OH = Na2AsO4 + NaOH =>
Na3AsO4 + OH = Na2AsO4 + NaOH
Cu2S + O2 = Cu + SO3 = CuO + SO2 =>
2 Cu2S + 3 O2 = 4 Cu + 2 SO3
Sr(ClO4)2 + CuSO4 = SrSO4 + Cu(ClO4)2 =>
Sr(ClO4)2 + CuSO4 = SrSO4 + Cu(ClO4)2
SrO + TiCl4 = SrCl2 + TiO2 =>
2 SrO + TiCl4 = 2 SrCl2 + TiO2
LiCN + H2O + CO2 = HCN + Li2CO3 =>
2 LiCN + H2O + CO2 = 2 HCN + Li2CO3
K2Co3 + BrCl = KCl + Br2Co3 =>
K2Co3 + 2 BrCl = 2 KCl + Br2Co3
Fe(SCN)3 + NaOH = Fe(OH) + Na(SCN)3 =>
Fe(SCN)3 + NaOH = Fe(OH) + Na(SCN)3
C5H10 + O2 = C5O2 + H10 =>
C5H10 + O2 = C5O2 + H10
NH4VO3 + H2SO4 + Na2SO3 = VOSO4 + Na2SO4 + H2O + (NH4)2SO4 =>
2 NH4VO3 + 3 H2SO4 + Na2SO3 = 2 VOSO4 + Na2SO4 + 3 H2O + (NH4)2SO4
H2SO4(aq) + CuCO3(aq) = CuSO4(aq) + H2O(l) + CO2(s) =>
H2SO4(aq) + CuCO3(aq) = CuSO4(aq) + H2O(l) + CO2(s)
Sn + H3PO3 = SnPO3 + H3 =>
Sn + H3PO3 = SnPO3 + H3
SiH4 + O2 = SiO2 + H2O =>
SiH4 + 2 O2 = SiO2 + 2 H2O
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Équations équilibrées sur01/09/25
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