Équations équilibrées la veille |
MgO + N2O3 = Mg(NO2)2
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Zn + Fe(SO4)2 = ZnSO4 + Fe2 =>
4 Zn + 2 Fe(SO4)2 = 4 ZnSO4 + Fe2
P4O10(s) + HNO3(aq) = N2O5(g) + HPO3(l) =>
P4O10(s) + 4 HNO3(aq) = 2 N2O5(g) + 4 HPO3(l)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cu(OH)2 + NaNO3 = Cu(NO3)2 + NaOH =>
Cu(OH)2 + 2 NaNO3 = Cu(NO3)2 + 2 NaOH
Fe3O4 + SO2 = Fe + SO3 =>
Fe3O4 + 4 SO2 = 3 Fe + 4 SO3
Sn + HCI = SnCI + H2 =>
2 Sn + 2 HCI = 2 SnCI + H2
F2 + MgCl2 = MgF2 + Cl2 =>
F2 + MgCl2 = MgF2 + Cl2
NaClO + O2 = NaClO2 =>
2 NaClO + O2 = 2 NaClO2
Na2SO3 + K2Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Na2SO3 + K2Cr2O7 + 4 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
PbO + HNo3 = Pb(No3)2 + H2O =>
PbO + 2 HNo3 = Pb(No3)2 + H2O
KHCO3 + Fe2(SO4)3 = K2SO4 + Fe(OH)3 + CO2 =>
6 KHCO3 + Fe2(SO4)3 = 3 K2SO4 + 2 Fe(OH)3 + 6 CO2
C2H3F3 + O2 = CO + H2O + F2 =>
4 C2H3F3 + 7 O2 = 8 CO + 6 H2O + 6 F2
C + K2Cr2O7 = Cr2O3 + K2CO3 + CO2 =>
3 C + 2 K2Cr2O7 = 2 Cr2O3 + 2 K2CO3 + CO2
Fe2O3 + CO(g) = Fe(l) + CO2(g) =>
Fe2O3 + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
Mg + H2(PO4) = Mg3(PO4)2 + H2 =>
3 Mg + 2 H2(PO4) = Mg3(PO4)2 + 2 H2
Na + FeSO3 = Fe + Na2SO3 =>
2 Na + FeSO3 = Fe + Na2SO3
MnO + H = Mn + H2O =>
MnO + 2 H = Mn + H2O
TiO2 + HCl = TiCl4 + H2O =>
TiO2 + 4 HCl = TiCl4 + 2 H2O
Na2CO3 + HCe = NaCe + H2O + CO2 =>
Na2CO3 + 2 HCe = 2 NaCe + H2O + CO2
Zn(s) + S(s) = ZnS =>
Zn(s) + S(s) = ZnS
Zn(OH)2 + HCl = ZnCl2 + H2O =>
Zn(OH)2 + 2 HCl = ZnCl2 + 2 H2O
ZnO + NH4NO3 = Zn(NO3)2 + NH3 + H2O =>
ZnO + 2 NH4NO3 = Zn(NO3)2 + 2 NH3 + H2O
Ba(NO3)2 + H2SO4 = Ba(SO3)2 + H2NO4 =>
Ba(NO3)2 + 2 H2SO4 = Ba(SO3)2 + 2 H2NO4
Fe + CuO2 = Cu + Fe2O3 =>
4 Fe + 3 CuO2 = 3 Cu + 2 Fe2O3
NH3 + SO4 = NH3SO4 =>
NH3 + SO4 = NH3SO4
Na2S + N2 = Na3N + S =>
3 Na2S + N2 = 2 Na3N + 3 S
(NH4)2S + HCl = (NH4)2Cl2 + H2S =>
(NH4)2S + 2 HCl = (NH4)2Cl2 + H2S
Ni(s) + S8(s) = NiS(s) =>
8 Ni(s) + S8(s) = 8 NiS(s)
KMnO4 + NO + H2O = MnO2 + KOH + Mn(NO3)2 =>
4 KMnO4 + 6 NO + 2 H2O = MnO2 + 4 KOH + 3 Mn(NO3)2
Cl2 + Cu2 = ClCu =>
Cl2 + Cu2 = 2 ClCu
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
B + S = BS =>
B + S = BS
Ag + FeO = AgO + Fe =>
Ag + FeO = AgO + Fe
As2O3 + HNO3 + H2O = H3AsO4 + NO =>
3 As2O3 + 4 HNO3 + 7 H2O = 6 H3AsO4 + 4 NO
Fe2(CO3)2 = FeO + CO2 =>
Fe2(CO3)2 = 2 FeO + 2 CO2
Nh4 + OH = Nh4OH =>
Nh4 + OH = Nh4OH
NaI + NaOH = NaINaOH =>
NaI + NaOH = NaINaOH
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
(CH3CH2COO)2Ca = CH3CH2COCH3CH2 + CaCO3 =>
(CH3CH2COO)2Ca = CH3CH2COCH3CH2 + CaCO3
Sn + Tl = SnTl =>
Sn + Tl = SnTl
FeCO3 = Fe + CO3 =>
FeCO3 = Fe + CO3
NH3 + C = NH4CN + H2 =>
2 NH3 + C = NH4CN + H2
MgSO4 + KOH = Mg(OH)2 + K2SO4 =>
MgSO4 + 2 KOH = Mg(OH)2 + K2SO4
CaCl2 + H2SO4 = CaHSO4 + HCl2 =>
CaCl2 + H2SO4 = CaHSO4 + HCl2
C4H9OH + H2O = C2H5OH =>
C4H9OH + H2O = 2 C2H5OH
Pd + S = PdS2 =>
Pd + 2 S = PdS2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
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