| Équations équilibrées la veille | Équations équilibrées le lendemain |
*Fe2O3 + 3 C = 3 CO + 2 Fe
NaBr + CH3COOH + NaClO = Br2 + CH3COONa + NaCl + H2O =>
2 NaBr + 2 CH3COOH + NaClO = Br2 + 2 CH3COONa + NaCl + H2O
C3H5COOH + H2O = C3H5COO{-} + H3O{+} =>
C3H5COOH + H2O = C3H5COO{-} + H3O{+}
Al2(SO4)3 + Ca3(PO4)2 = (AlPO4) + CaSO4 =>
Al2(SO4)3 + Ca3(PO4)2 = 2(AlPO4) + 3 CaSO4
C7H16 + O2 = CO4 + H2O =>
C7H16 + 18 O2 = 7 CO4 + 8 H2O
C2O4H2*2H2O + KOH = K2C2O4 + H2O =>
C2O4H2*2H2O + 2 KOH = K2C2O4 + 4 H2O
Sn2{+} + Fe3{+} = Sn4{+} + Fe2{+} =>
2 Sn2{+} + 2 Fe3{+} = Sn4{+} + 3 Fe2{+}
Ba(OH)2H2O = BaO2H3OH =>
Ba(OH)2H2O = BaO2H3OH
LiOH + SO2 = Li2O + H2SO3 =>
2 LiOH + SO2 = Li2O + H2SO3
K20 + HCl = KCl + H2 =>
K20 + 20 HCl = 20 KCl + 10 H2
VCl3 + H2 = HCl + V =>
2 VCl3 + 3 H2 = 6 HCl + 2 V
CH3COONa + HCl = CH3COOH + NaCl =>
CH3COONa + HCl = CH3COOH + NaCl
Zn + HNO3Zn(NO3)2 = Zn(NO3)2 + H2O + NH4NO3 =>
4 Zn + 10 HNO3Zn(NO3)2 = 14 Zn(NO3)2 + 3 H2O + NH4NO3
Al(OH)3 + OH{-} = AlO2{-} + H2O =>
Al(OH)3 + OH{-} = AlO2{-} + 2 H2O
C2H6 + KMnO4 + HCl = KCl + MnCl2 + CO2 + H2O =>
5 C2H6 + 14 KMnO4 + 42 HCl = 14 KCl + 14 MnCl2 + 10 CO2 + 36 H2O
(NH4)2[Be(CO3)2] = Be(OH)2 + NH3 + CO2 =>
(NH4)2[Be(CO3)2] = Be(OH)2 + 2 NH3 + 2 CO2
Ag2SO4 + NaNO3 = Ag2NO3 + NaSO4 =>
Ag2SO4 + NaNO3 = Ag2NO3 + NaSO4
H3PO4 + B(OH)3 = BPO4 + H2O =>
H3PO4 + B(OH)3 = BPO4 + 3 H2O
NaCl + Hg = Na + HgCl =>
NaCl + Hg = Na + HgCl
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
NaI(aq)HNO3(aq) = NaNO3(aq)HI(aq) =>
NaI(aq)HNO3(aq) = NaNO3(aq)HI(aq)
Na + I = NaI =>
Na + I = NaI
(CH2)3N3(NO)3 + H2O2 = (CH2)3N3(NO2)3 + H2O =>
(CH2)3N3(NO)3 + 3 H2O2 = (CH2)3N3(NO2)3 + 3 H2O
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
Ba(HS)2 + H2O = Ba(OH)2 + H2S =>
Ba(HS)2 + 2 H2O = Ba(OH)2 + 2 H2S
Co(NO3)2 + HCl = H + NO3 + [CoCl4]2 =>
2 Co(NO3)2 + 8 HCl = 8 H + 4 NO3 + [CoCl4]2
H2SO5 + H2O = H2SO4 + H2O2 =>
H2SO5 + H2O = H2SO4 + H2O2
C2H5OH() + O2(g) = CO2(g) + H2O =>
C2H5OH() + 3 O2(g) = 2 CO2(g) + 3 H2O
C3H6O3NH3 = C3H9NO3 =>
C3H6O3NH3 = C3H9NO3
H2S + Na2SO3 + HCl = S + NaCl + H2O =>
2 H2S + Na2SO3 + 2 HCl = 3 S + 2 NaCl + 3 H2O
MoO3 + KI + HCl = MoO2I + KCl + I2 + H2O =>
2 MoO3 + 4 KI + 4 HCl = 2 MoO2I + 4 KCl + I2 + 2 H2O
Fe + HNO3 = Fe(NO3)3 + N2O + H2O =>
8 Fe + 30 HNO3 = 8 Fe(NO3)3 + 3 N2O + 15 H2O
NaHCO3(aq) + H3C6H5O7 = CO2(g) + H2O(l) + Na3C6H5O7(aq) =>
3 NaHCO3(aq) + H3C6H5O7 = 3 CO2(g) + 3 H2O(l) + Na3C6H5O7(aq)
*Fe2O3 + C = Fe + CO2 =>
2*Fe2O3 + 3 C = 4 Fe + 3 CO2
Pb(ClO4)2 + K2S = PbS + KClO4 =>
Pb(ClO4)2 + K2S = PbS + 2 KClO4
C27H48O20 + Ag3PO4 = Ag + CO2 + H2O + P2O5 =>
3 C27H48O20 + 116 Ag3PO4 = 348 Ag + 81 CO2 + 72 H2O + 58 P2O5
C16H22ClN3O + H2O2 = HCl + HNO3 + CO2 + H2O =>
C16H22ClN3O + 49 H2O2 = HCl + 3 HNO3 + 16 CO2 + 58 H2O
KMnSO4 + AgNO3 + H2SO4 = Ag2SO4 + NO + KNO3 + H2O + MnSO4 =>
3 KMnSO4 + 4 AgNO3 + 2 H2SO4 = 2 Ag2SO4 + NO + 3 KNO3 + 2 H2O + 3 MnSO4
C27H48O20 + Ag3PO4 = Ag + CO2 + H2O + P2O5 =>
3 C27H48O20 + 116 Ag3PO4 = 348 Ag + 81 CO2 + 72 H2O + 58 P2O5
C5H5N + O2 = CO2 + H2O + N2O3 =>
2 C5H5N + 14 O2 = 10 CO2 + 5 H2O + N2O3
Pb(ClO3)2 + KI = PbI2 + KClO3 =>
Pb(ClO3)2 + 2 KI = PbI2 + 2 KClO3
CH3CH2NH3Cl + Ca(OH)2 = CH3CH2NH3OH + CaCl2 =>
2 CH3CH2NH3Cl + Ca(OH)2 = 2 CH3CH2NH3OH + CaCl2
GaO = Ga + O2 =>
2 GaO = 2 Ga + O2
Cr(OH)3 + Cl2 = CrCl3 + Cr(ClO)3 + H2O =>
2 Cr(OH)3 + 3 Cl2 = CrCl3 + Cr(ClO)3 + 3 H2O
Ca(OH)2 + HN4Cl = CaCl2 + N + H2O =>
Ca(OH)2 + 2 HN4Cl = CaCl2 + 8 N + 2 H2O
Co = Co2 = NaCO3 = CaCO3 =>
2 Co = Co2
HC6H6O7 + MgCO3 = CO2 + H2O + MgC6H6O7 =>
18 HC6H6O7 + 17 MgCO3 = 23 CO2 + 12 H2O + 17 MgC6H6O7
Pd(OH)4 + CaI2 = Ca(OH)2 + PdI4 =>
Pd(OH)4 + 2 CaI2 = 2 Ca(OH)2 + PdI4
NH4OH + NaOH = OH + NH4Na =>
NH4OH + NaOH = 2 OH + NH4Na
Na2WO4*H2O + Na2SiO3*5H2O + HCl = SiW11O39 + NaCl + H2O + H2 =>
11 Na2WO4*H2O + Na2SiO3*5H2O + 24 HCl = SiW11O39 + 24 NaCl + 24 H2O + 4 H2
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