Équations équilibrées la veille |
2 Na3N = 6 Na + N2
Xe + F = XeF2 =>
Xe + 2 F = XeF2
CaCO3 + SO2 + O2 + H2O = CaSO4(H2O)2 + CO2 =>
2 CaCO3 + 2 SO2 + O2 + 4 H2O = 2 CaSO4(H2O)2 + 2 CO2
Mn + S = Mn2S3 =>
2 Mn + 3 S = Mn2S3
Na2WS4 + NH2OH*HCl = WS2 + N2 + H2O + H2S + NaCl =>
Na2WS4 + 2 NH2OH*HCl = WS2 + N2 + 2 H2O + 2 H2S + 2 NaCl
FeSO4 = Fe + S4 + O2 =>
4 FeSO4 = 4 Fe + S4 + 8 O2
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
AlF3 = Al + F =>
AlF3 = Al + 3 F
AlF3 = Al + F2 =>
2 AlF3 = 2 Al + 3 F2
HCH2CHCO2 + NaOH = Na(CH2CHCO2) + H2O =>
HCH2CHCO2 + NaOH = Na(CH2CHCO2) + H2O
Zn(NO2)2 + H3PO4 = Zn3(PO4)2 + H2O + N2O3 =>
3 Zn(NO2)2 + 2 H3PO4 = Zn3(PO4)2 + 3 H2O + 3 N2O3
Fe + F = Fe3F =>
3 Fe + F = Fe3F
KNO2 + KMnO4 + H2SO4 = KNO3 + K2NO3 + MnSO4 + H2O =>
3 KNO2 + KMnO4 + H2SO4 = 2 KNO3 + K2NO3 + MnSO4 + H2O
CCl2F2 + H2O = HF + HCl + CO2 =>
CCl2F2 + 2 H2O = 2 HF + 2 HCl + CO2
HOCl + Ni(OH)2 = Ni(ClO)2 + H2O =>
2 HOCl + Ni(OH)2 = Ni(ClO)2 + 2 H2O
PaI5 = Pa + I2 =>
2 PaI5 = 2 Pa + 5 I2
K2HPO4 + NaOH = Na2HPO4 + KOH =>
K2HPO4 + 2 NaOH = Na2HPO4 + 2 KOH
Hg2(NO3)2 + NaCl = Hg2Cl2 + NaNO3 =>
Hg2(NO3)2 + 2 NaCl = Hg2Cl2 + 2 NaNO3
CH3CO2H + Mg(OH)2 = C2H3O2OH + MgH2 =>
2 CH3CO2H + Mg(OH)2 = 2 C2H3O2OH + MgH2
C2H2 + CuCl + NH3 = Cu2C2 + NH4Cl =>
C2H2 + 2 CuCl + 2 NH3 = Cu2C2 + 2 NH4Cl
Na2U2O7 + H3PO = H2O + Na3PO4 + UO2 =>
3 Na2U2O7 + 2 H3PO = 3 H2O + 2 Na3PO4 + 6 UO2
Li3N = Li + N2 =>
2 Li3N = 6 Li + N2
Pb(NO3)2(aq) + CrSO4(aq) = PbSO4(s) + Cr(NO3)2(aq) =>
Pb(NO3)2(aq) + CrSO4(aq) = PbSO4(s) + Cr(NO3)2(aq)
Ga + S = Ga2S3 =>
2 Ga + 3 S = Ga2S3
CuSO4 + H3PO4 = Cu3(PO4)2 + SO4H2 =>
3 CuSO4 + 2 H3PO4 = Cu3(PO4)2 + 3 SO4H2
N2O3 + NaOH = N(OH)3 + Na2O =>
N2O3 + 6 NaOH = 2 N(OH)3 + 3 Na2O
Sr + N2 = SrN2 =>
Sr + N2 = SrN2
(NH4)2SO4 + LiOH = (Li)2SO4 + NH4OH =>
(NH4)2SO4 + 2 LiOH = (Li)2SO4 + 2 NH4OH
Mn + S = MnS2 =>
Mn + 2 S = MnS2
Cr(NO3)3 + (NH4)2S2O8 + H2O = H2Cr2O7 + HNO3 + (NH4)2SO4 =>
6 Cr(NO3)3 + (NH4)2S2O8 + 15 H2O = 3 H2Cr2O7 + 16 HNO3 + 2(NH4)2SO4
K + LiOH = Li + KOH =>
K + LiOH = Li + KOH
MnO2 + KOH + O2 = KMnO4 + H2O =>
4 MnO2 + 4 KOH + 3 O2 = 4 KMnO4 + 2 H2O
S + KOH = K2SO3 + K2S + H2S =>
6 S + 6 KOH = 2 K2SO3 + K2S + 3 H2S
NH4 + NO2 = N2 + H2O =>
NH4 + NO2 = N2 + 2 H2O
Kl + PbCl = KlCl4 + Pb =>
Kl + 4 PbCl = KlCl4 + 4 Pb
S + KOH = K2SO3 + K2S + H2S =>
6 S + 6 KOH = 2 K2SO3 + K2S + 3 H2S
Be + O2 = BeO2 =>
Be + O2 = BeO2
Na2CO3 + Ba(NO3)2(aq) = Ba(CO3)2 + Na2NO3 =>
2 Na2CO3 + Ba(NO3)2(aq) = Ba(CO3)2 + 2 Na2NO3
KMnO4 + H2O = KOH + MnO2 + O2 =>
4 KMnO4 + 2 H2O = 4 KOH + 4 MnO2 + 3 O2
Be + O2 = BeO =>
2 Be + O2 = 2 BeO
KMnO4 + Fe = FeO + KMn =>
KMnO4 + 4 Fe = 4 FeO + KMn
Mg(s) + Ni(NO3)2(aq) = Ni + Mg(NO3)2 =>
Mg(s) + Ni(NO3)2(aq) = Ni + Mg(NO3)2
AgNO3 + NaClO = NaNO3 + AgClO3 + AgCl =>
3 AgNO3 + 3 NaClO = 3 NaNO3 + AgClO3 + 2 AgCl
Na[Al(OH)4] + HBr = NaBr + Al(OH)3 + H2O =>
Na[Al(OH)4] + HBr = NaBr + Al(OH)3 + H2O
CH3CHO + H2O = CH3COOH + H2 =>
CH3CHO + H2O = CH3COOH + H2
SiO2 + NaOH = H2O + Na2SiO3 =>
SiO2 + 2 NaOH = H2O + Na2SiO3
NaOH + MgCl2 = NaCl2 + MgOH =>
NaOH + MgCl2 = NaCl2 + MgOH
Copper(II)Sulfate + Iron(III)Chloride = Copper(II)Chloride + Iron(III)Sulfate =>
Copper(II)Sulfate + Iron(III)Chloride = Copper(II)Chloride + Iron(III)Sulfate
NH4 + NO2 = N2 + H2O =>
NH4 + NO2 = N2 + 2 H2O
Fe + F = FeF3 =>
Fe + 3 F = FeF3
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