| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 3 Cl2Sn + 14 HCl = 3 Cl4Sn + 2 Cl3Cr + 2 ClK + 7 H2O
NH4OH + Na2S2O3 = NH4S2O3 + Na2OH =>
NH4OH + Na2S2O3 = NH4S2O3 + Na2OH
ZnSO4 + Cr(NO3)3 = Zn(NO3)2 + Cr2(SO4)3 =>
3 ZnSO4 + 2 Cr(NO3)3 = 3 Zn(NO3)2 + Cr2(SO4)3
HCl + NaHCO3 = H2O + CO2 + NaCl =>
HCl + NaHCO3 = H2O + CO2 + NaCl
K2O + HNO3 = KOH + N2O5 =>
K2O + 2 HNO3 = 2 KOH + N2O5
HC2H3O2 + Cu = CuC2H3O2 + H =>
HC2H3O2 + Cu = CuC2H3O2 + H
C6H13NH2 + O2 = CO2 + H2 + N2 =>
2 C6H13NH2 + 12 O2 = 12 CO2 + 15 H2 + N2
W + KOH + O2 = K2WO4 + H2O =>
2 W + 4 KOH + 3 O2 = 2 K2WO4 + 2 H2O
Ag + Al2O3 = Ag2O3 + Al =>
2 Ag + Al2O3 = Ag2O3 + 2 Al
SO3 + H2O = SO3H2SO4 =>
2 SO3 + H2O = SO3H2SO4
Zn + FeBr = Fe + ZnBr2 =>
Zn + 2 FeBr = 2 Fe + ZnBr2
AgNO3 + HNO3 = HAg + NO3 =>
AgNO3 + HNO3 = HAg + 2 NO3
MnO2 + HCl = Mn2 + H2O + Cl2 =>
2 MnO2 + 8 HCl = Mn2 + 4 H2O + 4 Cl2
H2S(aq) + FeBr3(aq) = Fe2S3(s) + HBr(aq) =>
3 H2S(aq) + 2 FeBr3(aq) = Fe2S3(s) + 6 HBr(aq)
C8H9ONa + H2O = C8H10O + NaOH =>
C8H9ONa + H2O = C8H10O + NaOH
CrO2{-}(aq) + H2O(l) + ClO{-}(aq) = CrO42{-}(aq) + Cl2(g) + OH{-}(aq) =>
CrO2{-}(aq) + 40 H2O(l) + 80 ClO{-}(aq) = CrO42{-}(aq) + 40 Cl2(g) + 80 OH{-}(aq)
Be(CO3) = Be + CO3 =>
Be(CO3) = Be + CO3
HI + K(MnO4) + H2(SO4) = I2 + Mn(SO4) + K2(SO4) + H2O =>
10 HI + 2 K(MnO4) + 3 H2(SO4) = 5 I2 + 2 Mn(SO4) + K2(SO4) + 8 H2O
Cu3(PO4)2 + H2SO4 = CuSO4 + H3PO4 =>
Cu3(PO4)2 + 3 H2SO4 = 3 CuSO4 + 2 H3PO4
Hg + I = HgI2 =>
Hg + 2 I = HgI2
CH3COOH + Al(HCO3)3 = Al(CH3COO)3 + H2O + CO2 =>
3 CH3COOH + Al(HCO3)3 = Al(CH3COO)3 + 3 H2O + 3 CO2
Mg + H2O2 = MgO + H2O =>
Mg + H2O2 = MgO + H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
MnO2 + HNO3 + NaOH = Na2MnO4 + HNO2 + H2O =>
MnO2 + HNO3 + 2 NaOH = Na2MnO4 + HNO2 + H2O
Si + Ca(OH)2 + H2O = CaSiO3 + H2 =>
Si + Ca(OH)2 + H2O = CaSiO3 + 2 H2
FeF3 + Na2SO4 = Fe2(SO4)3 + NaF =>
2 FeF3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaF
FeC2O4*2H2O + H2O2 + K2C2O4*H2O + H2C2O4 = K2[Fe(C2O4)3]*3H2O + H2O =>
FeC2O4*2H2O + H2O2 + K2C2O4*H2O + H2C2O4 = K2[Fe(C2O4)3]*3H2O + 2 H2O
Na2O + P2O5 = Na3(PO4) =>
3 Na2O + P2O5 = 2 Na3(PO4)
Ca(OH)2 + Cl2 = Ca(Cl2)2 + Ca(ClO3)2 + H2O =>
6 Ca(OH)2 + 11 Cl2 = 5 Ca(Cl2)2 + Ca(ClO3)2 + 6 H2O
NaCl + H2SO4 = NaHSO4 + HCl =>
NaCl + H2SO4 = NaHSO4 + HCl
Ca + Ag2SO4 = CaSO4 + Ag =>
Ca + Ag2SO4 = CaSO4 + 2 Ag
PbS + Fe = Pb + FeS =>
PbS + Fe = Pb + FeS
Co(SO4) + KI + KIO3 + H2O = Co(OH)2 + K2(SO4) + I2 =>
3 Co(SO4) + 5 KI + KIO3 + 3 H2O = 3 Co(OH)2 + 3 K2(SO4) + 3 I2
As2 + O3 = As3O2 =>
9 As2 + 4 O3 = 6 As3O2
NiOOH = Ni2O3 + H2O =>
2 NiOOH = Ni2O3 + H2O
K2HPO4 + HNO3 = KNO3 + H3PO4 =>
K2HPO4 + 2 HNO3 = 2 KNO3 + H3PO4
Na2SO4 + Na2CO3 = Na4SO4CO3 =>
Na2SO4 + Na2CO3 = Na4SO4CO3
C18H32O2 + Br2 = C18H32O2Br2 =>
C18H32O2 + Br2 = C18H32O2Br2
Sr(NO3)2 + NaCl = NaNO3 + SrCl2 =>
Sr(NO3)2 + 2 NaCl = 2 NaNO3 + SrCl2
SnO + Ca = CaO + Sn =>
SnO + Ca = CaO + Sn
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
LiAlH4 + HCOOH + H2O = CH3CH2OH + LiOH + Al(OH)3 =>
LiAlH4 + 2 HCOOH + H2O = CH3CH2OH + LiOH + Al(OH)3
KCl + KClO3 + H2SO4 = K2SO4 + H2O + Cl2 =>
5 KCl + KClO3 + 3 H2SO4 = 3 K2SO4 + 3 H2O + 3 Cl2
SnF2 + H = Sn + HF =>
SnF2 + 2 H = Sn + 2 HF
C2H4S2 + O2 = CO2 + H2O + SO2 =>
C2H4S2 + 5 O2 = 2 CO2 + 2 H2O + 2 SO2
Na + Sn = Na2Sn =>
2 Na + Sn = Na2Sn
Ag + Fe(SO4)2 = Fe + Ag(SO4)2 =>
Ag + Fe(SO4)2 = Fe + Ag(SO4)2
KO2(s) + CO(g) = K2CO3(s) + O2(g) =>
2 KO2(s) + CO(g) = K2CO3(s) + O2(g)
Mg(NO3)2 + EDTA = MgEDTA + NO3 =>
Mg(NO3)2 + EDTA = MgEDTA + 2 NO3
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Équations équilibrées sur11/21/24
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