Équations équilibrées la veille |
2 Al2O3 = 4 Al + 3 O2
FeO + Na2CO3 = Fe2(CO3)2 + Na2O =>
2 FeO + 2 Na2CO3 = Fe2(CO3)2 + 2 Na2O
C9H18 + Br2 = C9H17Br + HBr =>
C9H18 + Br2 = C9H17Br + HBr
CaCO3 + H2SO4 = CaSO4 + H2CO3 =>
CaCO3 + H2SO4 = CaSO4 + H2CO3
Ni(OH)2 + Br2 + H2SO4 = NiSO4 + HBr + O2 =>
Ni(OH)2 + 2 Br2 + H2SO4 = NiSO4 + 4 HBr + O2
Hg2(NO3)2 + KI = Hg2I2 + KNO3 =>
Hg2(NO3)2 + 2 KI = Hg2I2 + 2 KNO3
Na + P = Na3P =>
3 Na + P = Na3P
Na2SO3S + I2 = Na2S4O6 + NaI =>
2 Na2SO3S + I2 = Na2S4O6 + 2 NaI
Fe + S = FeS =>
Fe + S = FeS
Pb + FeSO4 = PbSO4 + Fe =>
Pb + FeSO4 = PbSO4 + Fe
NaCl + K3PO4 = K3Cl + NaPO4 =>
NaCl + K3PO4 = K3Cl + NaPO4
Li + H2CO3 = Li4CO3 + H2 =>
4 Li + H2CO3 = Li4CO3 + H2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
SO2 + Ba(OH)2 = BaSO3 + H2O =>
SO2 + Ba(OH)2 = BaSO3 + H2O
H2O + CO2 = C7H8 + O2 =>
4 H2O + 7 CO2 = C7H8 + 9 O2
Ag2O2 + HNO3 = AgNO3 + O2 + H2O =>
2 Ag2O2 + 4 HNO3 = 4 AgNO3 + O2 + 2 H2O
HI + H2SO4 = SO2 + H2O + I2 =>
2 HI + H2SO4 = SO2 + 2 H2O + I2
HSeO3 + HOCl = H2SeO4 + Cl2 =>
2 HSeO3 + 2 HOCl = 2 H2SeO4 + Cl2
NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
MgCO3 + Ca(NO3)2 = Mg(NO3)2 + CaCO3 =>
MgCO3 + Ca(NO3)2 = Mg(NO3)2 + CaCO3
As + Cl2 = AsCl2 =>
As + Cl2 = AsCl2
NaH + SO2 = H2S + Na2SO4 =>
2 NaH + 2 SO2 = H2S + Na2SO4
Ca + HCl = CaCl2 + H =>
Ca + 2 HCl = CaCl2 + 2 H
Zn + CuO = ZnO + Cu =>
Zn + CuO = ZnO + Cu
Al2(SO4)3 + Na2CO3 + HOH = Al(OH)3 + Na2SO4 + CO2 =>
Al2(SO4)3 + 3 Na2CO3 + 3 HOH = 2 Al(OH)3 + 3 Na2SO4 + 3 CO2
O2 + Fe = Fe3O4 =>
2 O2 + 3 Fe = Fe3O4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg(C2H3O2)2 + NaOH = Mg(OH)2 + Na(C2H3O2) =>
Mg(C2H3O2)2 + 2 NaOH = Mg(OH)2 + 2 Na(C2H3O2)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
Ba(CrO2)2 + H2O = Ba(OH)2 + HCrO2 =>
Ba(CrO2)2 + 2 H2O = Ba(OH)2 + 2 HCrO2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
HCl + Mg = H2 + MgCl2 =>
2 HCl + Mg = H2 + MgCl2
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
Cu(OH)2 = CuO + H2O = =>
Cu(OH)2 = CuO + H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
Na + Cl = NaCl =>
Na + Cl = NaCl
Cr(OH)3 + NaOH = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = Na3[Cr(OH)6]
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
Fe + HgSO4 = FeSO4 + Hg =>
Fe + HgSO4 = FeSO4 + Hg
Mg + H2SO4 = H2 + MgSO4 =>
Mg + H2SO4 = H2 + MgSO4
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
CU + HCl = CUCl2 + H2 =>
CU + 2 HCl = CUCl2 + H2
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