| Équations équilibrées la veille |
S8(s) + 8 O2(g) = 8 SO2(g)
FeCl2 + AgNo3 = Fe(No3)2 + AgCl =>
FeCl2 + 2 AgNo3 = Fe(No3)2 + 2 AgCl
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
N2H4 + NaOH + C3H7NO3 = NaN3 + C3H7OH + H2O =>
8 N2H4 + 7 NaOH + 5 C3H7NO3 = 7 NaN3 + 5 C3H7OH + 17 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
ClO2 + Na2SO3 + H2O = Na2SO4 + HClO =>
2 ClO2 + 3 Na2SO3 + H2O = 3 Na2SO4 + 2 HClO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BeO + Na2O = Na4BeO3 =>
BeO + 2 Na2O = Na4BeO3
Na2SiO3(s) + HF(ac) = H2SiF6(ac) + NaF(ac) + H2O =>
Na2SiO3(s) + 8 HF(ac) = H2SiF6(ac) + 2 NaF(ac) + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
SN + H2SO4 = SNSO4 + S + H2O =>
3 SN + 4 H2SO4 = 3 SNSO4 + S + 4 H2O
NiCl2 + NH4 + H2O = NiOH2 + NH4Cl =>
NiCl2 + 2 NH4 + H2O = NiOH2 + 2 NH4Cl
NH4NO3 + KMnO4 + H2SO4 = NO2 + H2O + K2SO4 + MnSO4 =>
5 NH4NO3 + 6 KMnO4 + 9 H2SO4 = 10 NO2 + 19 H2O + 3 K2SO4 + 6 MnSO4
SiH6 + O2 = Si(OH)4 + H2 =>
SiH6 + 2 O2 = Si(OH)4 + H2
(CH3COO)2Pb + Na2S = PbS + Na(CH3COO) =>
(CH3COO)2Pb + Na2S = PbS + 2 Na(CH3COO)
Na2S + Na2CO3 + SO2 = Na2S2O3 + CO2 =>
2 Na2S + Na2CO3 + 4 SO2 = 3 Na2S2O3 + CO2
CdS + H2O2 = CdSO4 + H2O =>
CdS + 4 H2O2 = CdSO4 + 4 H2O
Cl + HAl = Al + HCl =>
Cl + HAl = Al + HCl
KH2PO2 + KOH = PH3 + K3PO4 + H2O =>
2 KH2PO2 + KOH = PH3 + K3PO4 + H2O
Cr2(SO4)3 + AgNO3 = Ag2(SO4) + Cr(NO3)3 =>
Cr2(SO4)3 + 6 AgNO3 = 3 Ag2(SO4) + 2 Cr(NO3)3
Nb + KOH + O2 = K3NbO4 + H2O =>
4 Nb + 12 KOH + 5 O2 = 4 K3NbO4 + 6 H2O
Br2 + NaClO = NaBr + ClO =>
Br2 + 2 NaClO = 2 NaBr + 2 ClO
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
C2 + H2O = CO2 + H2 =>
C2 + 4 H2O = 2 CO2 + 4 H2
BaCO3 + HCl = CO2 + BaCl2 + H2O =>
BaCO3 + 2 HCl = CO2 + BaCl2 + H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
C2H4 + H2O2 = CH2OHCH2OH(g) =>
C2H4 + H2O2 = CH2OHCH2OH(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
SN + H2SO4 = SNSO4 + S + H2O =>
3 SN + 4 H2SO4 = 3 SNSO4 + S + 4 H2O
Na + Ni2O3 = Ni + Na2O =>
6 Na + Ni2O3 = 2 Ni + 3 Na2O
Bi + HCl = BiCl3 + H2 =>
2 Bi + 6 HCl = 2 BiCl3 + 3 H2
(NH4)2SO4 + Sr(OH)2 = NH3 + H2O + SrSO4 =>
(NH4)2SO4 + Sr(OH)2 = 2 NH3 + 2 H2O + SrSO4
Rb + MgSO4 = Rb2SO4 + Mg =>
2 Rb + MgSO4 = Rb2SO4 + Mg
H2 + Mg = MgH2 =>
H2 + Mg = MgH2
C2H5OH + Li = C2H5OLi + H2 =>
2 C2H5OH + 2 Li = 2 C2H5OLi + H2
NaClO + KCl + H2SO4 = NaCl + Cl2 + K2SO4 + H2O =>
NaClO + 2 KCl + H2SO4 = NaCl + Cl2 + K2SO4 + H2O
Al2O3(s) + CO = Al(s) + CO2(g) =>
Al2O3(s) + 3 CO = 2 Al(s) + 3 CO2(g)
NaI = Na + I3 =>
3 NaI = 3 Na + I3
C3H7OH + KMnO4 = C3H6O + MnO2 + KOH + H2O =>
3 C3H7OH + 2 KMnO4 = 3 C3H6O + 2 MnO2 + 2 KOH + 2 H2O
HNo3 + Ca(OH)2 = Ca(No3)2 + H2O =>
2 HNo3 + Ca(OH)2 = Ca(No3)2 + 2 H2O
Cl2 + NaOH = Na(ClO3) + H2O + NaCl =>
3 Cl2 + 6 NaOH = Na(ClO3) + 3 H2O + 5 NaCl
Na3[Cr(OH)6] + H2O2 + H2SO4 = Na2Cr2O7 + Na2SO4 + H2O =>
2 Na3[Cr(OH)6] + 3 H2O2 + 2 H2SO4 = Na2Cr2O7 + 2 Na2SO4 + 11 H2O
C7H9O + C4H6O3 = C9H10O2 + C2H4O2 =>
12 C7H9O + 26 C4H6O3 = 14 C9H10O2 + 31 C2H4O2
Al + Na2SO3 + H2O = Al2(S2O4)3 + NaOH =>
2 Al + 6 Na2SO3 + 6 H2O = Al2(S2O4)3 + 12 NaOH
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Sr(s) + AgBr(aq) = Ag(s) + SrBr2(aq) =>
Sr(s) + 2 AgBr(aq) = 2 Ag(s) + SrBr2(aq)
Na2AsO3 + Zn + HCl = AsH3 + ZnCl2 + NaCl + H2O =>
2 Na2AsO3 + 7 Zn + 18 HCl = 2 AsH3 + 7 ZnCl2 + 4 NaCl + 6 H2O
H2TeO3 + Ba(OH)2 = BaTeO3 + H2O =>
H2TeO3 + Ba(OH)2 = BaTeO3 + 2 H2O
Mn2O3 + H3PO4 = MnPO4 + H2O =>
Mn2O3 + 2 H3PO4 = 2 MnPO4 + 3 H2O
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Équations équilibrées sur12/11/24
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