| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe + 2 HCl = H2 + Fe(Cl)2
KIO3 + Cr2(SO4)3 + H2O + KI = K2SO4 + Cr(OH)3 + I2 =>
KIO3 + Cr2(SO4)3 + 3 H2O + 5 KI = 3 K2SO4 + 2 Cr(OH)3 + 3 I2
Pb(NO3)2 + K2S = PbS + KNO3 =>
Pb(NO3)2 + K2S = PbS + 2 KNO3
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
Dy2O3 + H2SO4 = Dy2(SO4)3 + H2O =>
Dy2O3 + 3 H2SO4 = Dy2(SO4)3 + 3 H2O
NH3*H2O + HNO3 = NH4NO2 + H2O =>
5 NH3*H2O + 3 HNO3 = 4 NH4NO2 + 6 H2O
H4[Fe(Cn)6] + Ca(OH)2 = Ca4[Fe(Cn)6]2 + H2O =>
2 H4[Fe(Cn)6] + 4 Ca(OH)2 = Ca4[Fe(Cn)6]2 + 8 H2O
Al(s) + PbSO4(aq) = Pb(s) + Al2(SO4)3 =>
2 Al(s) + 3 PbSO4(aq) = 3 Pb(s) + Al2(SO4)3
CH3CH2CH2CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH2CH2CH3 + 19 O2 = 12 CO2 + 14 H2O
C2H4 + H2SO4 = C2H6SO4 =>
C2H4 + H2SO4 = C2H6SO4
NaCl(s) + SO2(g) + H2O(g) + O2 = Na2SO4(s) + HCl(g) =>
4 NaCl(s) + 2 SO2(g) + 2 H2O(g) + O2 = 2 Na2SO4(s) + 4 HCl(g)
(NH4)2Cr2O7 = O2 + NH3 + H2O + Cr2O2 =>
(NH4)2Cr2O7 = 2 O2 + 2 NH3 + H2O + Cr2O2
Fe + Cl = FeCl2 = H2 =>
Fe + 2 Cl = FeCl2
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
C4H8O + H2 = C4H9OH =>
C4H8O + H2 = C4H9OH
AgNO3 + KBr = KAg + BrNO3 =>
AgNO3 + KBr = KAg + BrNO3
MgSO4 + Na2CO3 = MgCO3 + Na2SO4 =>
MgSO4 + Na2CO3 = MgCO3 + Na2SO4
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
KOH + KI + K2CrO4 = KIO4 + K3CrO3 + H2O =>
8 KOH + 3 KI + 8 K2CrO4 = 3 KIO4 + 8 K3CrO3 + 4 H2O
Ag + HNO3 + KMnO4 = AgNO3 + MnNO3 + H2O + KNO3 =>
6 Ag + 8 HNO3 + KMnO4 = 6 AgNO3 + MnNO3 + 4 H2O + KNO3
Mg + O2 = OMg2 =>
4 Mg + O2 = 2 OMg2
Zn + KIO3 + H2SO4 = ZnSO4 + I2 + K2SO4 + H2O =>
5 Zn + 2 KIO3 + 6 H2SO4 = 5 ZnSO4 + I2 + K2SO4 + 6 H2O
H97 + O2 = H2O =>
4 H97 + 97 O2 = 194 H2O
MgSO4 + Na2CO3 = MgCO3 + Na2SO4 =>
MgSO4 + Na2CO3 = MgCO3 + Na2SO4
HNO3(aq) + Na2SO3(aq) = H2SO3(g) + NaNO3(aq) =>
2 HNO3(aq) + Na2SO3(aq) = H2SO3(g) + 2 NaNO3(aq)
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
C3H9N + H2SO4 = C3H8 + N2 + SO2 + H2O =>
2 C3H9N + H2SO4 = 2 C3H8 + N2 + SO2 + 2 H2O
Cr + C = CrC3 =>
Cr + 3 C = CrC3
H2SO3 + NaHO = Na2SO3 + H2O =>
H2SO3 + 2 NaHO = Na2SO3 + 2 H2O
WO3 + CO = W + CO2 =>
WO3 + 3 CO = W + 3 CO2
Ca(OH)2 + H2(CO)3 = Ca(CO)3 + H2O =>
Ca(OH)2 + H2(CO)3 = Ca(CO)3 + 2 H2O
NiS + H2O2 + CH3COOH = S + Ni(CH3COO)2 + H2O =>
NiS + H2O2 + 2 CH3COOH = S + Ni(CH3COO)2 + 2 H2O
KMn04 + H2SO4 + Sb = K2S04 + MnSO4 + Sb2O4 + H2O =>
2 KMn04 + 12 H2SO4 + 2 Sb = K2S04 + 8 MnSO4 + Sb2O4 + 12 H2O
H2SO4 + CO = S + CO2 + H2O =>
H2SO4 + 3 CO = S + 3 CO2 + H2O
Ba(NO3)2 + K2(SO4) = Ba(SO4) + K(NO3) =>
Ba(NO3)2 + K2(SO4) = Ba(SO4) + 2 K(NO3)
Ca(OH)2 + NaOH = Na2CaO2 + H2O =>
Ca(OH)2 + 2 NaOH = Na2CaO2 + 2 H2O
H2S + NaCO3 = NaS + CO2 + H2O =>
H2S + NaCO3 = NaS + CO2 + H2O
Cr2O7{-2} + Fe{+2} + H3O{+} = Fe{+3} + Cr{+3} + H2O =>
Cr2O7{-2} + 6 Fe{+2} + 14 H3O{+} = 6 Fe{+3} + 2 Cr{+3} + 21 H2O
HgS + CaO = Hg + CaS + CaSO4 =>
4 HgS + 4 CaO = 4 Hg + 3 CaS + CaSO4
Fe2(SO4)3 + HCl = FeCl3 + H2(SO4) =>
Fe2(SO4)3 + 6 HCl = 2 FeCl3 + 3 H2(SO4)
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na2S + H2SO4 = Na2SO4 + H2S =>
Na2S + H2SO4 = Na2SO4 + H2S
[V(H2O)6]SO4 + NaOH = VO*H2O + Na2SO4 + H2O =>
[V(H2O)6]SO4 + 2 NaOH = VO*H2O + Na2SO4 + 6 H2O
MgSO4 + NaOH = Mg(OH)2 + SO4Na2 =>
MgSO4 + 2 NaOH = Mg(OH)2 + SO4Na2
Na2S + H2SO4 = Na2SO4 + H2S =>
Na2S + H2SO4 = Na2SO4 + H2S
C2H5NO + O2 = CO2 + H2O + N2 =>
4 C2H5NO + 11 O2 = 8 CO2 + 10 H2O + 2 N2
Na2S + H2SO4 = Na2SO4 + H2S =>
Na2S + H2SO4 = Na2SO4 + H2S
CH3(CH2)29CH3 + O2 = CO2 + H2O =>
CH3(CH2)29CH3 + 47 O2 = 31 CO2 + 32 H2O
LiOH + H2 = Li + H2O =>
2 LiOH + H2 = 2 Li + 2 H2O
CaI2 + CaBr2 = BrI + Ca2 =>
CaI2 + CaBr2 = 2 BrI + Ca2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/22/25
Équations équilibrées sur04/21/24
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