Équations équilibrées la veille |
Li + NaOH = LiOH + Na
MgBr2 = Mg + Br =>
MgBr2 = Mg + 2 Br
HReO4 = Re2O7 + H2O =>
2 HReO4 = Re2O7 + H2O
BrF5 + H2 = HF + HBr =>
BrF5 + 3 H2 = 5 HF + HBr
Sn + PO4 = Sn3(PO4)2 =>
3 Sn + 2 PO4 = Sn3(PO4)2
NH3 + H2S = (NH4)2S =>
2 NH3 + H2S = (NH4)2S
Sb2S5 = Sb + S8 =>
8 Sb2S5 = 16 Sb + 5 S8
Pb(NO3)2 + NaCl = NaNO3 + PbCl2 =>
Pb(NO3)2 + 2 NaCl = 2 NaNO3 + PbCl2
KOH + MgSO4 = Mg(OH)2 + K2SO4 =>
2 KOH + MgSO4 = Mg(OH)2 + K2SO4
Mg + NaNO3 = Mg(NO3)2 + Na =>
Mg + 2 NaNO3 = Mg(NO3)2 + 2 Na
C20H41 + O2 = CO2 + H2O =>
4 C20H41 + 121 O2 = 80 CO2 + 82 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
VO2 + H2SO4 = VO(SO4) + H2O =>
VO2 + H2SO4 = VO(SO4) + H2O
N2H2 = N2 + NH3 =>
3 N2H2 = 2 N2 + 2 NH3
H2S + K2CrO4 + H2O = SO2 + Cr(OH)3 + KOH =>
H2S + 2 K2CrO4 + 4 H2O = SO2 + 2 Cr(OH)3 + 4 KOH
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg3N2(s) + H2O(l) = NH3(g) + Mg(OH)2(s) =>
Mg3N2(s) + 6 H2O(l) = 2 NH3(g) + 3 Mg(OH)2(s)
NH4OH + HBr = H2O + NH4Br =>
NH4OH + HBr = H2O + NH4Br
N2H2 = N2 + NH3 =>
3 N2H2 = 2 N2 + 2 NH3
C2H5OC2H5 + H2O = C2H5OH =>
C2H5OC2H5 + H2O = 2 C2H5OH
Fe2O3 + Mg = Fe + MgO =>
Fe2O3 + 3 Mg = 2 Fe + 3 MgO
(NH4)2CrO4 + AgC2H3O2 = Ag2CrO4 + NH4C2H3O2 =>
(NH4)2CrO4 + 2 AgC2H3O2 = Ag2CrO4 + 2 NH4C2H3O2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CdCO3 = CdO + CO2 =>
CdCO3 = CdO + CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Fe3P + HNO3 = Fe(NO3)3 + HPO3 + NO + H2O =>
3 Fe3P + 41 HNO3 = 9 Fe(NO3)3 + 3 HPO3 + 14 NO + 19 H2O
ZnCl2 + Na2SO4 = ZnSO4 + NaCl =>
ZnCl2 + Na2SO4 = ZnSO4 + 2 NaCl
Fe(OH)2 + CaO = Ca(OH)2 + FeO =>
Fe(OH)2 + CaO = Ca(OH)2 + FeO
Cl2 + CO = Cl2CO =>
Cl2 + CO = Cl2CO
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
K2CrO4 + SnSO4 + H2SO4 = Cr2(SO4)3 + K2SO4 + Sn(SO4)2 + H2O =>
2 K2CrO4 + 3 SnSO4 + 8 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 3 Sn(SO4)2 + 8 H2O
K + F2 = KF =>
2 K + F2 = 2 KF
Al + HCl + O = AlCl3 + H2O =>
2 Al + 6 HCl + 3 O = 2 AlCl3 + 3 H2O
Ba + Li3P = Ba3P2 + Li =>
3 Ba + 2 Li3P = Ba3P2 + 6 Li
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
C3H8O + NaNO2 + HCl = C3H7NO2 + NaCl + H2O =>
C3H8O + NaNO2 + HCl = C3H7NO2 + NaCl + H2O
HClO4 = HCl + O2 =>
HClO4 = HCl + 2 O2
Cr2O3(s) + CO(s) = Cr(s) + CO2(g) =>
Cr2O3(s) + 3 CO(s) = 2 Cr(s) + 3 CO2(g)
CuCN + C2N2 = Cu(CN)2 =>
2 CuCN + C2N2 = 2 Cu(CN)2
(NH4)3(PO4) + NiCl2 = (NH4)Cl + Ni3(PO4)2 =>
2(NH4)3(PO4) + 3 NiCl2 = 6(NH4)Cl + Ni3(PO4)2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
FeSiO3 + O2 + H2O = FeO(OH) + SiO2 =>
4 FeSiO3 + O2 + 2 H2O = 4 FeO(OH) + 4 SiO2
C502(OH)5 + O2 = CO2 + H2O =>
4 C502(OH)5 + 2003 O2 = 2008 CO2 + 10 H2O
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g)
KClO3 + H2O = K2O + HCl + O2 =>
2 KClO3 + H2O = K2O + 2 HCl + 3 O2
Sn + Cl2 = SnCl4 =>
Sn + 2 Cl2 = SnCl4
KClO3 + H2O = K2O + HCl + O2 =>
2 KClO3 + H2O = K2O + 2 HCl + 3 O2
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