| Équations équilibrées la veille |
8 FeCO3 + 9 CH3COOH = 8 FeCH3COO + 10 CO2 + 6 H2O
C2 + H2 = C3H8 =>
3 C2 + 8 H2 = 2 C3H8
Zn + HCl + H2O2 = ZnCl2 + H2O =>
Zn + 2 HCl + H2O2 = ZnCl2 + 2 H2O
Os + HNO3 = OsO4 + NO + H2O =>
3 Os + 8 HNO3 = 3 OsO4 + 8 NO + 4 H2O
Cu(s) + FeCl3(aq) = CuCl + Fe =>
3 Cu(s) + FeCl3(aq) = 3 CuCl + Fe
CuCl2 + Cu(NO3)2 = CuCl + N + O2 =>
CuCl2 + Cu(NO3)2 = 2 CuCl + 2 N + 3 O2
P4 + O4 = P2O3 =>
2 P4 + 3 O4 = 4 P2O3
CrO3 + HCOOH + H{+} = Cr{3+} + CO2 + H2O =>
2 CrO3 + 3 HCOOH + 6 H{+} = 2 Cr{3+} + 3 CO2 + 6 H2O
NaCl(s) + H2SO4(aq) = Na2SO4 + HCl =>
2 NaCl(s) + H2SO4(aq) = Na2SO4 + 2 HCl
Mg + AgCl = MgCl2 + Ag =>
Mg + 2 AgCl = MgCl2 + 2 Ag
(CH3COO)2Ca + H2O = CH3COOH + Ca(OH)2 =>
(CH3COO)2Ca + 2 H2O = 2 CH3COOH + Ca(OH)2
NHO3 + H2S = NO2 + H2O + S =>
2 NHO3 + H2S = 2 NO2 + 2 H2O + S
Zn(s) + NaCl(aq) = Na + ZnCl2 =>
Zn(s) + 2 NaCl(aq) = 2 Na + ZnCl2
ZnSO4 + NH3 = Zn(NH3)4 + SO4 =>
ZnSO4 + 4 NH3 = Zn(NH3)4 + SO4
SO3 + H2O2 = H2SO4 + O =>
SO3 + H2O2 = H2SO4 + O
FeS2 + K2MnO4 + H2O = MnO2 + Fe(OH)3 + K2SO4 + KOH =>
2 FeS2 + 15 K2MnO4 + 14 H2O = 15 MnO2 + 2 Fe(OH)3 + 4 K2SO4 + 22 KOH
AlCl3 + I2 = AlI3 + Cl =>
2 AlCl3 + 3 I2 = 2 AlI3 + 6 Cl
HClO4(aq) + NH3(aq) = NH4ClO4(aq) =>
HClO4(aq) + NH3(aq) = NH4ClO4(aq)
C6H6S2 + O2 = CO2 + H2O + SO3 =>
2 C6H6S2 + 21 O2 = 12 CO2 + 6 H2O + 4 SO3
C2H5OH + I2O5 = I + CH3COOH + H2O =>
5 C2H5OH + 2 I2O5 = 4 I + 5 CH3COOH + 5 H2O
C3H7MgCl + H2O = C3H8 + Mg(OH)Cl =>
C3H7MgCl + H2O = C3H8 + Mg(OH)Cl
Rb + Te = Rb2Te =>
2 Rb + Te = Rb2Te
C3H6O(g) + O2(g) = CO2(g) + H2O(v) =>
C3H6O(g) + 4 O2(g) = 3 CO2(g) + 3 H2O(v)
Fe + Cu2O = FeO + Cu =>
Fe + Cu2O = FeO + 2 Cu
Fe2(CO3)2 = FeO + CO2 =>
Fe2(CO3)2 = 2 FeO + 2 CO2
Na(SO4) + HCl = NaCl + H(SO4) =>
Na(SO4) + HCl = NaCl + H(SO4)
N2O4 + C = N2 + CO2 =>
N2O4 + 2 C = N2 + 2 CO2
C3H7OH(g) + O2(g) = CO2 + H2O =>
2 C3H7OH(g) + 9 O2(g) = 6 CO2 + 8 H2O
HCHO + O2 = HCOOH =>
2 HCHO + O2 = 2 HCOOH
LaCl3 + Ca = La + CaCl2 =>
2 LaCl3 + 3 Ca = 2 La + 3 CaCl2
NaCl + (NH4)3PO4 = Na3PO4 + NH4Cl =>
3 NaCl + (NH4)3PO4 = Na3PO4 + 3 NH4Cl
MgI2 + Mn(SO3)2 = MgSO3 + MnI4 =>
2 MgI2 + Mn(SO3)2 = 2 MgSO3 + MnI4
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
NaHCO3 + Co(NO3)2 = Na(NO3) + Co(HCO3)2 =>
2 NaHCO3 + Co(NO3)2 = 2 Na(NO3) + Co(HCO3)2
Cu + S = Cu(S)2 =>
Cu + 2 S = Cu(S)2
C10H22O + O2 = CO2 + H2O =>
C10H22O + 15 O2 = 10 CO2 + 11 H2O
C2H5COOH + Zn = (C2H5COO)2Zn + H2 =>
2 C2H5COOH + Zn = (C2H5COO)2Zn + H2
AgCl + NaOH = Ag + H2O + NaCl + O2 =>
4 AgCl + 4 NaOH = 4 Ag + 2 H2O + 4 NaCl + O2
H2SO4(aq)(aq) + KOH(aq) = H2OH(aq) + KSO4(aq) =>
H2SO4(aq)(aq) + KOH(aq) = H2OH(aq) + KSO4(aq)
Ag + H2S + O2 = Ag2SO4 + H2O =>
4 Ag + 2 H2S + 5 O2 = 2 Ag2SO4 + 2 H2O
FeSO4 + NaHCO3 = Fe(OH)2 + Na2SO4 + CO2 =>
FeSO4 + 2 NaHCO3 = Fe(OH)2 + Na2SO4 + 2 CO2
Mg + Ba(NO3)2 = Mg(NO3)2 + Ba =>
Mg + Ba(NO3)2 = Mg(NO3)2 + Ba
SO2 + H2SO4 = H2S2O6 =>
SO2 + H2SO4 = H2S2O6
Fe + NaOH + H2O = Na[Fe(OH)4] + H2 =>
2 Fe + 2 NaOH + 6 H2O = 2 Na[Fe(OH)4] + 3 H2
B4C3 + H2O = CH4 + B(OH)3 =>
B4C3 + 12 H2O = 3 CH4 + 4 B(OH)3
CuSO4 + K3PO4 = Cu3(PO4)2 + K2SO4 =>
3 CuSO4 + 2 K3PO4 = Cu3(PO4)2 + 3 K2SO4
Ba + HF = BaF2 + H =>
Ba + 2 HF = BaF2 + 2 H
NaHCO3 + C4H8O2 = Na + CO2 + H2O =>
20 NaHCO3 + C4H8O2 = 20 Na + 24 CO2 + 14 H2O
Pd + H2SO4 = PdSO4 + H2 =>
Pd + H2SO4 = PdSO4 + H2
Fe(s) + CuCl2 = FeCl3 + Cu =>
2 Fe(s) + 3 CuCl2 = 2 FeCl3 + 3 Cu
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Équations équilibrées sur10/23/24
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