| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(ClO4)4 + 4 NaCl = PbCl4 + 4 Na(ClO4)
HCl + (Ca(OH)2) = H2O + CaCl2 =>
2 HCl + (Ca(OH)2) = 2 H2O + CaCl2
HCHO + CuO = HCOOH + Cu =>
HCHO + CuO = HCOOH + Cu
AlX3 + J2O = Al2O3 + JX =>
2 AlX3 + 3 J2O = Al2O3 + 6 JX
Na2Cr2O7 + S = Na2SO4 + Cr2O3 =>
Na2Cr2O7 + S = Na2SO4 + Cr2O3
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
FeCl3 + NH4HCO3 = Fe(OH)3 + NH3 + CO + Cl2 =>
2 FeCl3 + 3 NH4HCO3 = 2 Fe(OH)3 + 3 NH3 + 3 CO + 3 Cl2
Cu2O + Fe(OH)3 = CuOH + Fe2O3 =>
3 Cu2O + 2 Fe(OH)3 = 6 CuOH + Fe2O3
H2O2 + CuCl2 = HCl + Cu + O2 =>
H2O2 + CuCl2 = 2 HCl + Cu + O2
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Ag + SO3 = Ag2(SO3) =>
2 Ag + SO3 = Ag2(SO3)
H{+}(aq) + Cr2O7{2-}(aq) + C2H5OH(g) = Cr{3+}(aq) + CO2(g) + H2O(l) =>
16 H{+}(aq) + 2 Cr2O7{2-}(aq) + C2H5OH(g) = 4 Cr{3+}(aq) + 2 CO2(g) + 11 H2O(l)
Cr2O72{-} + CH3CH2OH + H{+} = Cr3{+} + CH3CHO + H2O =>
6 Cr2O72{-} + 427 CH3CH2OH + 10 H{+} = 4 Cr3{+} + 427 CH3CHO + 432 H2O
K2Cr2O7 + KI + H2SO4 = I2 + Cr2(SO2)3 + K2SO4 + H2O =>
K2Cr2O7 + 18 KI + 13 H2SO4 = 9 I2 + Cr2(SO2)3 + 10 K2SO4 + 13 H2O
CH3COCOOH + O2 = CH3CHOHCOOH + CO2 =>
6 CH3COCOOH + 3 O2 = 4 CH3CHOHCOOH + 6 CO2
HCHO + Cu = Cu(CHO) + H =>
HCHO + Cu = Cu(CHO) + H
SnO2 + NaOH = Sn(OH)4 + Na2O =>
SnO2 + 4 NaOH = Sn(OH)4 + 2 Na2O
Co2S3 + HNO3 = Co(NO3)2 + NO + S + H2O =>
3 Co2S3 + 16 HNO3 = 6 Co(NO3)2 + 4 NO + 9 S + 8 H2O
SnO2 + NaOH = Sn(OH)4 + Na2O =>
SnO2 + 4 NaOH = Sn(OH)4 + 2 Na2O
Fe(NO3)3 + Na2S = Na2(NO3)3 + FeS =>
Fe(NO3)3 + Na2S = Na2(NO3)3 + FeS
SnO2 + NaOH = Sn(OH)4 + Na2O =>
SnO2 + 4 NaOH = Sn(OH)4 + 2 Na2O
A + B = AB3 =>
A + 3 B = AB3
FeCl3AgNO3 = AgCl3FeNO3 =>
FeCl3AgNO3 = AgCl3FeNO3
SnO2 + NaOH = Sn(OH)4 + Na2O =>
SnO2 + 4 NaOH = Sn(OH)4 + 2 Na2O
C7H8(l) + O2(g) = CO2(g) + H2O(g) =>
C7H8(l) + 9 O2(g) = 7 CO2(g) + 4 H2O(g)
SnO2 + NaOH = Sn(OH)4 + Na2O =>
SnO2 + 4 NaOH = Sn(OH)4 + 2 Na2O
SnO2 + NaOH = Na2SnO3 + H2O =>
SnO2 + 2 NaOH = Na2SnO3 + H2O
SnO2 + NaOH = Sn(OH)4 + Na2O =>
SnO2 + 4 NaOH = Sn(OH)4 + 2 Na2O
H2SO3 + H2O = SO3 + H3O =>
H2SO3 + 2 H2O = SO3 + 2 H3O
SnO2 + NaOH = Na2SnO3 + H2O =>
SnO2 + 2 NaOH = Na2SnO3 + H2O
Pb3O4 + HCl = Pb3Cl8 + H2O =>
Pb3O4 + 8 HCl = Pb3Cl8 + 4 H2O
Fe + MgCl2 = Mg + FeCl2 =>
Fe + MgCl2 = Mg + FeCl2
Cu2SO4 + KI = Cu2I2 + K2SO4 =>
Cu2SO4 + 2 KI = Cu2I2 + K2SO4
NaI + K(NO3) = NaNO3 + KI =>
NaI + K(NO3) = NaNO3 + KI
NaOH + Ca(OH)2 + Cl2 = Ca(OCl)2 + Na2Cl + H2O =>
4 NaOH + 2 Ca(OH)2 + 3 Cl2 = 2 Ca(OCl)2 + 2 Na2Cl + 4 H2O
NH4 + FeCl3 = NH4Cl + Fe =>
3 NH4 + FeCl3 = 3 NH4Cl + Fe
C2H5SH + O2 = C02 + H2O + SO2 =>
2 C2H5SH + 5 O2 = 2 C02 + 6 H2O + 2 SO2
H2SO4(aq) + NaHCO3 = H2O(l) + Na2SO4(aq) + CO2(g) =>
H2SO4(aq) + 2 NaHCO3 = 2 H2O(l) + Na2SO4(aq) + 2 CO2(g)
Fe + O2 + H2O = (Fe2O34H2O) =>
2 Fe + 17 O2 + H2O = (Fe2O34H2O)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K2O + Pb(NO3)2 = KNO3 + PbO =>
K2O + Pb(NO3)2 = 2 KNO3 + PbO
CaO(s) + Al(s) = Al2O3(s) + Ca(s) =>
3 CaO(s) + 2 Al(s) = Al2O3(s) + 3 Ca(s)
Pb(CH3COO)2 + Cl2 + KOH = PbO2 + KCl + CH3COOK + H2O =>
Pb(CH3COO)2 + Cl2 + 4 KOH = PbO2 + 2 KCl + 2 CH3COOK + 2 H2O
CuSO4 + Na2S2O3 = Na(CuS2O3) + Na2SO4 + Na2S4O6 =>
2 CuSO4 + 4 Na2S2O3 = 2 Na(CuS2O3) + 2 Na2SO4 + Na2S4O6
NH3(aq) + AgNO3(aq) = NNO3 + AgH3 =>
NH3(aq) + AgNO3(aq) = NNO3 + AgH3
AlCl3 + Zn(OH)2 = ZnCl2 + Al(OH)3 =>
2 AlCl3 + 3 Zn(OH)2 = 3 ZnCl2 + 2 Al(OH)3
ZnCO3 = ZnOCO2 =>
ZnCO3 = ZnOCO2
H3P + Ca(OH)2 = Ca3P2 + H2O =>
2 H3P + 3 Ca(OH)2 = Ca3P2 + 6 H2O
NaHCO3(aq) + KOH(aq) = Na2CO3 + K2CO3 + H2O =>
2 NaHCO3(aq) + 2 KOH(aq) = Na2CO3 + K2CO3 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur07/11/24
Équations équilibrées sur08/10/23
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