| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NiC2O4*H2O + O2 = 2 NiO + 2 H2O + 4 CO2
HI + ZnBr2 = HBr + ZnI2 =>
2 HI + ZnBr2 = 2 HBr + ZnI2
KMnO4 + C2O4Ca + H2SO4 = CO2 + K2SO4 + MnSO4 + CaSO4 + H2O =>
2 KMnO4 + 5 C2O4Ca + 8 H2SO4 = 10 CO2 + K2SO4 + 2 MnSO4 + 5 CaSO4 + 8 H2O
C2H4O2(l) + NaHCO3(s) = NaC2H3O2(s) + H2O(l) + CO2(g) =>
C2H4O2(l) + NaHCO3(s) = NaC2H3O2(s) + H2O(l) + CO2(g)
Na2(SO4) + H2O = Na(OH) + H2(SO4) =>
Na2(SO4) + 2 H2O = 2 Na(OH) + H2(SO4)
MgSO4 + Cr2S3 = MgS + Cr2(SO4)3 =>
3 MgSO4 + Cr2S3 = 3 MgS + Cr2(SO4)3
NaCo3 + BaCl = BaCo3 + NaCl =>
NaCo3 + BaCl = BaCo3 + NaCl
NH4Al(SO4)2 + NH4OH = Al2O3 + H2O + (NH4)2SO4 =>
2 NH4Al(SO4)2 + 6 NH4OH = Al2O3 + 3 H2O + 4(NH4)2SO4
Al2O3 + N2O3 = Al(NO2)3 =>
Al2O3 + 3 N2O3 = 2 Al(NO2)3
HI + HNO3 = HIO3 + NO2 + H2O =>
HI + 6 HNO3 = HIO3 + 6 NO2 + 3 H2O
NH4Br + AlI3 = NH4I3 + AlBr =>
NH4Br + AlI3 = NH4I3 + AlBr
Na2S(aq) + Cu(NO3)2(aq) = NaNO3(aq) + CuS(s) =>
Na2S(aq) + Cu(NO3)2(aq) = 2 NaNO3(aq) + CuS(s)
H2SiO3 + NaCl = HCl + Na2SiO3 =>
H2SiO3 + 2 NaCl = 2 HCl + Na2SiO3
Ra + S = Ra2S =>
2 Ra + S = Ra2S
C7H8 + Br2 = C7Br2 + H =>
C7H8 + Br2 = C7Br2 + 8 H
Fe{+2} + NO2{-} + H2O = FeOOH + NH4{+} + H{+} =>
6 Fe{+2} + NO2{-} + 10 H2O = 6 FeOOH + NH4{+} + 10 H{+}
Na2CO3 + K2SO4 = Na2SO4 + K2CO3 =>
Na2CO3 + K2SO4 = Na2SO4 + K2CO3
C111H12O6 + H2SO4 + K2Cr2O7 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
C111H12O6 + 296 H2SO4 + 74 K2Cr2O7 = 111 CO2 + 74 K2SO4 + 74 Cr2(SO4)3 + 302 H2O
Na3Al(OH)6 + CO2 = Na2CO3 + Al(OH)3 + H2O =>
2 Na3Al(OH)6 + 3 CO2 = 3 Na2CO3 + 2 Al(OH)3 + 3 H2O
Li2(SO3) + HNO3 = Li + NO3 + H2O + SO2 =>
Li2(SO3) + 2 HNO3 = 2 Li + 2 NO3 + H2O + SO2
H2SO4 + H2S + KMnO4 = K2SO4 + MnSO4 + H2O =>
7 H2SO4 + 5 H2S + 8 KMnO4 = 4 K2SO4 + 8 MnSO4 + 12 H2O
Fe2S3 + H2O + O2 = H2SO4 + Fe2O3(H2O)3 =>
Fe2S3 + 6 H2O + 6 O2 = 3 H2SO4 + Fe2O3(H2O)3
KNO2 + K2CrO4 + HNO3 = KNO3 + Cr(NO3)3 + H2O =>
3 KNO2 + 2 K2CrO4 + 10 HNO3 = 7 KNO3 + 2 Cr(NO3)3 + 5 H2O
MgCl2(aq) + AgNO3(aq) = Mg(NO3)2(aq) + AgCl(s) =>
MgCl2(aq) + 2 AgNO3(aq) = Mg(NO3)2(aq) + 2 AgCl(s)
Li2CO3 + Na2CO3 + Nb2O5 = Li50Na50Nb100O300 + CO2 =>
25 Li2CO3 + 25 Na2CO3 + 50 Nb2O5 = Li50Na50Nb100O300 + 50 CO2
MoO2 + XeF2 = MoF4 + Xe + O2 =>
MoO2 + 2 XeF2 = MoF4 + 2 Xe + O2
K(s) + HOH(aq) = KOH(s) + H2(g) =>
2 K(s) + 2 HOH(aq) = 2 KOH(s) + H2(g)
C15H16O2 + COCl2 = C16H14O3 + HCl =>
C15H16O2 + COCl2 = C16H14O3 + 2 HCl
SiO2 + AsH3 = (AsH2)2SiO + H2O =>
SiO2 + 2 AsH3 = (AsH2)2SiO + H2O
Fe + H2SiO3 = Fe(SiO3) + H2 =>
Fe + H2SiO3 = Fe(SiO3) + H2
KMnO4 + Ba + LiOH = KOH + BaMnO4 + Li =>
KMnO4 + Ba + LiOH = KOH + BaMnO4 + Li
Bi2S3 + O = SO2 + Bi2O3 =>
Bi2S3 + 9 O = 3 SO2 + Bi2O3
C2H6O + NaHCO3 = C3H6O3 + NaOH =>
C2H6O + NaHCO3 = C3H6O3 + NaOH
CuCl2 + OH = Cu(OH)2 + Cl2 =>
CuCl2 + 2 OH = Cu(OH)2 + Cl2
NH4HCO3 + AgNO3 = AgHCO3 + NH4NO3 =>
NH4HCO3 + AgNO3 = AgHCO3 + NH4NO3
FCl2 + H2O = HCl2 + HOF =>
FCl2 + H2O = HCl2 + HOF
MgCa(CO3)2 + CH3COOH = CO2 + Mg(CH3COO)2 + Ca(CH3COO)2 + H2O =>
MgCa(CO3)2 + 4 CH3COOH = 2 CO2 + Mg(CH3COO)2 + Ca(CH3COO)2 + 2 H2O
Fe(OH)3(s) + HClO4(aq) = Fe(ClO4)3(aq) + H2O(l) =>
Fe(OH)3(s) + 3 HClO4(aq) = Fe(ClO4)3(aq) + 3 H2O(l)
NO2{-} + Zn + OH{-} + H2O = NH3 + [Zn(OH)4]{-} =>
NO2{-} + 2 Zn + OH{-} + 5 H2O = NH3 + 2[Zn(OH)4]{-}
Al2(O)3(aq) + H2CO3(aq) = Al2(CO3)3(s) + H2O(l) =>
Al2(O)3(aq) + 3 H2CO3(aq) = Al2(CO3)3(s) + 3 H2O(l)
C2H6 + O2 = CO2 + H2(O)2 =>
C2H6 + 5 O2 = 2 CO2 + 3 H2(O)2
Li + SeF6 = LiSe + LiF =>
7 Li + SeF6 = LiSe + 6 LiF
Na + Al + H2 = Na[AlH4] =>
Na + Al + 2 H2 = Na[AlH4]
HCOH + Cu(OH)2 = HCOOH + Cu2O + H2O =>
HCOH + 2 Cu(OH)2 = HCOOH + Cu2O + 2 H2O
K3Cr(OH)6 + HNO3 = KOH + Cr(NO3)3 + H2O =>
K3Cr(OH)6 + 3 HNO3 = 3 KOH + Cr(NO3)3 + 3 H2O
Mg2SO4 = Mg + SO4 =>
Mg2SO4 = 2 Mg + SO4
HCl = H{+2} + Cl{-2} =>
HCl = H{+2} + Cl{-2}
CaSO4 + Cr = Ca + CrSO4 =>
CaSO4 + Cr = Ca + CrSO4
CaNO3 + K2SO4 = CaSO4 + K2NO3 =>
CaNO3 + K2SO4 = CaSO4 + K2NO3
C4H9OH + CH3COCl = CH3COOC4H9 + HCl =>
C4H9OH + CH3COCl = CH3COOC4H9 + HCl
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/24/24
Équations équilibrées sur11/23/23
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