| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 ClO2 + 4 NaOH = 4 NaCl + 2 H2O + 5 O2
Pb(NO3)4 + H2CO3 = Pb(CO3)2 + HNO3 =>
Pb(NO3)4 + 2 H2CO3 = Pb(CO3)2 + 4 HNO3
HCOOH + LiOH = HCOO + Li + H2O =>
HCOOH + LiOH = HCOO + Li + H2O
SnCl2 + BiCl3 + NaOH = Bi + Sn(OH)4 + NaCl =>
3 SnCl2 + 2 BiCl3 + 12 NaOH = 2 Bi + 3 Sn(OH)4 + 12 NaCl
Li + CH3COOH = LiC2H3O2 + H2 =>
2 Li + 2 CH3COOH = 2 LiC2H3O2 + H2
CH3(CH2)4CH2CH3 + O2 = CO2 + H2O =>
CH3(CH2)4CH2CH3 + 11 O2 = 7 CO2 + 8 H2O
Sc(OH)3 + H4TiO4 = Sc4(TiO4)3 + H2O =>
4 Sc(OH)3 + 3 H4TiO4 = Sc4(TiO4)3 + 12 H2O
CH3NO2 = C + H2 + N2 + O2 =>
2 CH3NO2 = 2 C + 3 H2 + N2 + 2 O2
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
AlCl3 + H2S = Al2S3 + HCl =>
2 AlCl3 + 3 H2S = Al2S3 + 6 HCl
SrS + HBr = SrBr2 + H2S =>
SrS + 2 HBr = SrBr2 + H2S
Li + CH3COOH = LiCH3COO + H2 =>
2 Li + 2 CH3COOH = 2 LiCH3COO + H2
K2O + CH3COOH = K2(CH3COO)2 + H2O =>
K2O + 2 CH3COOH = K2(CH3COO)2 + H2O
CuO + H2S = CuS + H2O =>
CuO + H2S = CuS + H2O
NH3(g) + H2O2(l) = N2H4(l) + H2O =>
2 NH3(g) + H2O2(l) = N2H4(l) + 2 H2O
NH3 + HOCl = NCl3 + H2O =>
NH3 + 3 HOCl = NCl3 + 3 H2O
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H =>
Cr2O3 + KNO3 + 4 KOH = 2 K2CrO4 + KNO2 + 4 H
NaOH + C20H14O4 = CO2 + H2O + Na =>
86 NaOH + C20H14O4 = 20 CO2 + 50 H2O + 86 Na
TI(OH)3 + KNO3 = TIO(OH)2 + KNO2 + H2O =>
2 TI(OH)3 + KNO3 = 2 TIO(OH)2 + KNO2 + H2O
Al(aq) + HCl(l) = H2(l) + AlCl3(aq) =>
2 Al(aq) + 6 HCl(l) = 3 H2(l) + 2 AlCl3(aq)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al(OH)3 + H2C2O4*2H2O = Al2(C2O4)3 + H2O =>
2 Al(OH)3 + 3 H2C2O4*2H2O = Al2(C2O4)3 + 12 H2O
BaCl2(s) + Na2SO4 = BaSO4 + NaCl =>
BaCl2(s) + Na2SO4 = BaSO4 + 2 NaCl
PB + HI = I2 + PBH2 =>
PB + 2 HI = I2 + PBH2
Cu + Pb(NO3)2 = PbCu(NO3)2 =>
Cu + Pb(NO3)2 = PbCu(NO3)2
Na2CrO4 + AgNO3 = NaNO3 + CrO4Ag2 =>
Na2CrO4 + 2 AgNO3 = 2 NaNO3 + CrO4Ag2
Li + CH3COOH = LiCH2COOH + H2 =>
2 Li + 2 CH3COOH = 2 LiCH2COOH + H2
I3{-} + Na2S2O3 = S4O6{2-} + I{-} + Na{+} =>
I3{-} + 2 Na2S2O3 = S4O6{2-} + 3 I{-} + 4 Na{+}
sodiumsulfide + phosphoricacid = sodiumphosphate + H2S =>
3 Na2S + 2 H3PO4 = 2 Na3PO4 + 3 H2S
NiCr + NaCl + O2 = NiCl + CrCl + NaO =>
NiCr + 2 NaCl + O2 = NiCl + CrCl + 2 NaO
Na(aq)CO3(aq) + HCl(aq) = NaCl2(aq) + CO2(g) + H2O(l) =>
Na(aq)CO3(aq) + 2 HCl(aq) = NaCl2(aq) + CO2(g) + H2O(l)
Be5P2 = Be5 + P2 =>
Be5P2 = Be5 + P2
NH4NO3 = NH3 + H2O + NO2 =>
7 NH4NO3 = 6 NH3 + 5 H2O + 8 NO2
Fe(ClO4)3 + (NH4)2S = NH4ClO4 + Fe2S3 =>
2 Fe(ClO4)3 + 3(NH4)2S = 6 NH4ClO4 + Fe2S3
Cr2(SO4)3 + PbO2 + NaOH = Na2CrO4 + H2O + PbSO4 =>
Cr2(SO4)3 + 3 PbO2 + 4 NaOH = 2 Na2CrO4 + 2 H2O + 3 PbSO4
Na2MoO4 + K4[Fe(CN)6] = K2MoO4 + Na4[Fe(CN)6] =>
2 Na2MoO4 + K4[Fe(CN)6] = 2 K2MoO4 + Na4[Fe(CN)6]
CH3CH2CH2CHBr2 + KOH = CH3CH2CCH + BrK + H2O =>
CH3CH2CH2CHBr2 + 2 KOH = CH3CH2CCH + 2 BrK + 2 H2O
Pb + HClO4 = Pb(ClO4) + H =>
Pb + HClO4 = Pb(ClO4) + H
H3PO3 + KMnO4 + H2SO4 = H2O + MnSO4 + K2SO4 + H3PO4 =>
5 H3PO3 + 2 KMnO4 + 3 H2SO4 = 3 H2O + 2 MnSO4 + K2SO4 + 5 H3PO4
C10H22O2 + Na2Cr2O7 + H2SO4 = C10H18O4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C10H22O2 + 4 Na2Cr2O7 + 16 H2SO4 = 3 C10H18O4 + 4 Cr2(SO4)3 + 4 Na2SO4 + 22 H2O
Na2MgO2(aq) + H(aq) + Na2CO3(aq) = MgCO3(s) + Na2OH(aq) =>
Na2MgO2(aq) + 2 H(aq) + Na2CO3(aq) = MgCO3(s) + 2 Na2OH(aq)
CS2 + H2SO4 = CO2 + H2O + S =>
3 CS2 + 2 H2SO4 = 3 CO2 + 2 H2O + 8 S
Cu(NO3)2 + (NH4)2CO3 = CuCO3 + NO3NH4 =>
Cu(NO3)2 + (NH4)2CO3 = CuCO3 + 2 NO3NH4
CaO2H2 + HCl = CaCl2 + H2O =>
CaO2H2 + 2 HCl = CaCl2 + 2 H2O
K(ClO3) + HBr = KCl + H2O + Br =>
K(ClO3) + 6 HBr = KCl + 3 H2O + 6 Br
Na2B4O7 + H2O + H2SO4 = Na2SO4 + H3BO3 =>
Na2B4O7 + 5 H2O + H2SO4 = Na2SO4 + 4 H3BO3
NO2 + NaOH = NaNO2 + H2O + O2 =>
4 NO2 + 4 NaOH = 4 NaNO2 + 2 H2O + O2
Cl + Na3 = ClNa =>
3 Cl + Na3 = 3 ClNa
C4H10O(g) + O2(g) = CO2(g) + H2O =>
C4H10O(g) + 6 O2(g) = 4 CO2(g) + 5 H2O
Cr2O72{-} + S2O32{-} + H{+} = Cr3{+} + SO42{-} + H2O =>
309 Cr2O72{-} + 427 S2O32{-} + 88 H{+} = 206 Cr3{+} + 854 SO42{-} + 44 H2O
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Équations équilibrées sur01/03/25
Équations équilibrées sur02/02/24
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