Équations équilibrées la veille |
3 O2 + 4 Fe = 2 Fe2O3
Fe + HCl = FeHCl =>
Fe + HCl = FeHCl
NaCl + KNO3 = NaNO3 + KCl =>
NaCl + KNO3 = NaNO3 + KCl
SO2 + H2O = HS + O2 =>
4 SO2 + 2 H2O = 4 HS + 5 O2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ni + HNO3 = Ni(NO3)2 + NO2 + H2O =>
Ni + 4 HNO3 = Ni(NO3)2 + 2 NO2 + 2 H2O
HgCrO4 = CrO3 + Hg + O2 =>
2 HgCrO4 = 2 CrO3 + 2 Hg + O2
Cu(OH)2 + NaNO3 = CuO2 + NaNO3H =>
Cu(OH)2 + 2 NaNO3 = CuO2 + 2 NaNO3H
Ni(s) + HCl(aq) = H2(g) + NiCl2(aq) =>
Ni(s) + 2 HCl(aq) = H2(g) + NiCl2(aq)
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr =>
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr
Ge + W = GeW =>
Ge + W = GeW
FeCl2 + FeCl3 + NH3 + H2O = NH4Cl + Fe3O4 =>
FeCl2 + 2 FeCl3 + 8 NH3 + 4 H2O = 8 NH4Cl + Fe3O4
K[Al(OH)4] + H2O = K[Al(OH)4(H2O)2] =>
K[Al(OH)4] + 2 H2O = K[Al(OH)4(H2O)2]
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Cd + O2 = CdO2 =>
Cd + O2 = CdO2
H2O2 = H2 + O2 =>
H2O2 = H2 + O2
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
HCl + PbO2 = Cl2 + PbCl2 + H2O =>
4 HCl + PbO2 = Cl2 + PbCl2 + 2 H2O
AgNO3 + AlBr = AgBr + Al(NO3)*3 =>
AgNO3 + AlBr = AgBr + Al(NO3)*3
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
Zn + Ba(OH)2 = Zn(OH)2 + Ba =>
Zn + Ba(OH)2 = Zn(OH)2 + Ba
KClO3 + P4 = P4O10 + KCl =>
10 KClO3 + 3 P4 = 3 P4O10 + 10 KCl
K + H2O = KOH + H =>
K + H2O = KOH + H
Bi + H2SO4 = Bi(SO4)3 + SO2 + H2O =>
Bi + 6 H2SO4 = Bi(SO4)3 + 3 SO2 + 6 H2O
Zn(C2H3O2)2 + Na2CO3 = ZnCO3 + NaC2H3O2 =>
Zn(C2H3O2)2 + Na2CO3 = ZnCO3 + 2 NaC2H3O2
Cu2C2 + HNO3 = Cu(NO3)2 + CO2 + H2O + NO2 =>
Cu2C2 + 16 HNO3 = 2 Cu(NO3)2 + 2 CO2 + 8 H2O + 12 NO2
H2SO4 + HCl = Cl2 + H2O + SO2 =>
H2SO4 + 2 HCl = Cl2 + 2 H2O + SO2
Sn + Cl2 = SnCl2 =>
Sn + Cl2 = SnCl2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
C + H2O = CO + H =>
C + H2O = CO + 2 H
Mn(OH)2 + HCl = MnCl2 + H2O =>
Mn(OH)2 + 2 HCl = MnCl2 + 2 H2O
Fe + KOH = FeO + K + H2O =>
Fe + 2 KOH = FeO + 2 K + H2O
C55 + H72 + MgN4 + O5 = C55H72MgN4O5 =>
C55 + H72 + MgN4 + O5 = C55H72MgN4O5
MgO + SO3 = MgSO4 =>
MgO + SO3 = MgSO4
MnO2 = Mn3O4 + O2 =>
3 MnO2 = Mn3O4 + O2
CH + O = CO2 + H2O =>
2 CH + 5 O = 2 CO2 + H2O
Cr2O3 + CCl4 = CrCl3 + COCl2 =>
Cr2O3 + 3 CCl4 = 2 CrCl3 + 3 COCl2
Pb(NO3)2 + NaI = PbI2 + Na(NO3) =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 Na(NO3)
HI + Ca2S = CaI + H2S =>
2 HI + Ca2S = 2 CaI + H2S
FeO + C6H8O7 = FeC6H6O7 + H2O =>
FeO + C6H8O7 = FeC6H6O7 + H2O
RbOH + HNO3 = H2O + RbNO3 =>
RbOH + HNO3 = H2O + RbNO3
Cu(NH3)2Cl + NH3 + H2O + O2 = Cu(NH3)4ClOH =>
4 Cu(NH3)2Cl + 8 NH3 + 2 H2O + O2 = 4 Cu(NH3)4ClOH
MnO2 = Mn3O4 + O2 =>
3 MnO2 = Mn3O4 + O2
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
C9H10O + NaBH4 = C9H12O + NaBH3 =>
C9H10O + 2 NaBH4 = C9H12O + 2 NaBH3
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
Fe + CCl4 = FeCl3 + C =>
4 Fe + 3 CCl4 = 4 FeCl3 + 3 C
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