Équations équilibrées la veille |
Fe + CuCl2 = FeCl2 + Cu
C2H204 + O2 = CO + H2O =>
C2H204 + 52 O2 = 2 CO + 102 H2O
CaH2 + Si = CaSi + H2 =>
CaH2 + Si = CaSi + H2
AgCl + NH4NO3 = AgNO3 + NH4Cl =>
AgCl + NH4NO3 = AgNO3 + NH4Cl
Hg2Cl2 + H2O = Hg2O + HCl =>
Hg2Cl2 + H2O = Hg2O + 2 HCl
Na2O + SiO2 = Na2(SiO3) =>
Na2O + SiO2 = Na2(SiO3)
MgCl2*6H2O = Mg(OH)2 + HCl + H2O =>
MgCl2*6H2O = Mg(OH)2 + 2 HCl + 4 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
As2S5 + HNO3 = H3AsO4 + H2SO4 + H2O + NO2 =>
As2S5 + 40 HNO3 = 2 H3AsO4 + 5 H2SO4 + 12 H2O + 40 NO2
ZnO + HI = ZnI2 + H2O =>
ZnO + 2 HI = ZnI2 + H2O
HCN + Ag2S = AgCN + H2S =>
2 HCN + Ag2S = 2 AgCN + H2S
LiO + HNO3 = LiNO3 + OH =>
LiO + HNO3 = LiNO3 + OH
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
A(OQ)3 + QE = AE3 + Q2O =>
A(OQ)3 + 3 QE = AE3 + 3 Q2O
PBr3 + NaOH = Na3PO3 + H2O + NaBr =>
PBr3 + 6 NaOH = Na3PO3 + 3 H2O + 3 NaBr
Fe2O3 + KOH + KNO3 = H2O + K2FeO4 + KNO2 =>
Fe2O3 + 4 KOH + 3 KNO3 = 2 H2O + 2 K2FeO4 + 3 KNO2
Pb(C2H3O2)2 + NaI = PbI2 + NaC2H3O2 =>
Pb(C2H3O2)2 + 2 NaI = PbI2 + 2 NaC2H3O2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
LiO + HNO3 = LiNO3 + OH =>
LiO + HNO3 = LiNO3 + OH
NH4(SO4) + BaCl = NH4(Cl) + Ba(SO4) =>
NH4(SO4) + BaCl = NH4(Cl) + Ba(SO4)
Na2Cr2O7 + HCl = Cl + CrCl3 + NaCl + H2O =>
Na2Cr2O7 + 14 HCl = 6 Cl + 2 CrCl3 + 2 NaCl + 7 H2O
MgCl2 + NH4NO3 = Mg(NO3)2 + NH4Cl =>
MgCl2 + 2 NH4NO3 = Mg(NO3)2 + 2 NH4Cl
Zr + Fe2O3 = ZrO2 + Fe =>
3 Zr + 2 Fe2O3 = 3 ZrO2 + 4 Fe
CaSO4 + BaS = CaS + BaSO4 =>
CaSO4 + BaS = CaS + BaSO4
HNO3 + NO = H2O + NO2 =>
2 HNO3 + NO = H2O + 3 NO2
KIO4 + KI = K2O + I2 =>
KIO4 + 7 KI = 4 K2O + 4 I2
Cl2 + NH4Br = NH4Cl + Br2 =>
Cl2 + 2 NH4Br = 2 NH4Cl + Br2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NH3 + BF3 = NH3BF3 =>
NH3 + BF3 = NH3BF3
C7H6O3 + FeCl3 = C7H5O3FeCl2 + HCl =>
C7H6O3 + FeCl3 = C7H5O3FeCl2 + HCl
CH3OH = CO + H2 =>
CH3OH = CO + 2 H2
Ca3(PO4)2 + Fe = Fe3(PO4)2 + Ca =>
Ca3(PO4)2 + 3 Fe = Fe3(PO4)2 + 3 Ca
Zn + Hg2SO4 = ZnSO4 + Hg =>
Zn + Hg2SO4 = ZnSO4 + 2 Hg
H2SiO3 + Al(OH)3 = H2O + Al2SiO5 =>
H2SiO3 + 2 Al(OH)3 = 4 H2O + Al2SiO5
Au + H2O + NaCN + O2 = NaAu(CN)2 + NaOH =>
4 Au + 2 H2O + 8 NaCN + O2 = 4 NaAu(CN)2 + 4 NaOH
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
(NH4)2SO3 = NH3 + H2SO3 =>
(NH4)2SO3 = 2 NH3 + H2SO3
Sn(oh)2 + KOH + H2O = K2[Sn(OH)6] + H2 =>
Sn(oh)2 + 4 KOH + 8 H2O = 2 K2[Sn(OH)6] + 4 H2
NaCIO3 = NaCI + O2 =>
2 NaCIO3 = 2 NaCI + 3 O2
Fe{3} + HO{-} = Fe(OH)3 =>
Fe{3} + 3 HO{-} = Fe(OH)3
FeNO3 + KOH = FeOH + KNO3 =>
FeNO3 + KOH = FeOH + KNO3
Mn + FeO = Fe + MnO2 =>
Mn + 2 FeO = 2 Fe + MnO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
K2SO4 + NaOH = NaKSO4 + KOH =>
K2SO4 + NaOH = NaKSO4 + KOH
NH4Cl + AgClO3 = AgCl + NH4ClO3 =>
NH4Cl + AgClO3 = AgCl + NH4ClO3
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