| Équations équilibrées la veille |
Na2Cr2O7 + SO2 = Na2SO3 + 2 CrO3
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Be(NO3)2 + Ca(OH)2 = Be(OH)2 + Ca(NO3)2 =>
Be(NO3)2 + Ca(OH)2 = Be(OH)2 + Ca(NO3)2
C2H20O4 + O2 = CO2 + H2O =>
C2H20O4 + 5 O2 = 2 CO2 + 10 H2O
CH4N2S + C2H2O4 = C3H4N2O3S + H2O =>
CH4N2S + C2H2O4 = C3H4N2O3S + H2O
V2O5 + V = V2O3 =>
3 V2O5 + 4 V = 5 V2O3
Cr3Sb2 + HNO3 + H2O = H2CrO4 + SbH3 + NO =>
Cr3Sb2 + 4 HNO3 + 4 H2O = 3 H2CrO4 + 2 SbH3 + 4 NO
Pt3Cl4 = Pt + Cl =>
Pt3Cl4 = 3 Pt + 4 Cl
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
NH4Cl + MgCO3 + Na3PO4 = MgCl + (NH4)3PO4 + NaCO3 =>
3 NH4Cl + 3 MgCO3 + Na3PO4 = 3 MgCl + (NH4)3PO4 + 3 NaCO3
Cr2O7{2-} + I{-} + H{+} = Cr{3+} + I2 + H2O =>
Cr2O7{2-} + 6 I{-} + 14 H{+} = 2 Cr{3+} + 3 I2 + 7 H2O
Cu2 + H2SO4 + H2O = CuH10O9S + SO2 =>
Cu2 + 4 H2SO4 + 6 H2O = 2 CuH10O9S + 2 SO2
F + H2O = FH2 + O =>
F + H2O = FH2 + O
K2MnO4 + H2O = O2 + MnO2 + KOH =>
2 K2MnO4 + 2 H2O = O2 + 2 MnO2 + 4 KOH
MrO2 + Al = Mr + Al2O3 =>
3 MrO2 + 4 Al = 3 Mr + 2 Al2O3
CH3CH2CH2CH2CH2OH + O2 = H2O + CH3COOH =>
2 CH3CH2CH2CH2CH2OH + 5 O2 = 2 H2O + 5 CH3COOH
CH3CH2CH2CH2CH2Cl + NaOH = CH3CH2CH2CH2CH2OH + NaCl =>
CH3CH2CH2CH2CH2Cl + NaOH = CH3CH2CH2CH2CH2OH + NaCl
H2O2 + S = H2S + O2 =>
H2O2 + S = H2S + O2
CrCl3(aq) + Na2CO3(aq) = Cr2(CO3)3(s) + NaCl(aq) =>
2 CrCl3(aq) + 3 Na2CO3(aq) = Cr2(CO3)3(s) + 6 NaCl(aq)
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
NaI + H2SO4 + MnO2 = Na2SO4 + MnSO4 + I + H2O =>
2 NaI + 2 H2SO4 + MnO2 = Na2SO4 + MnSO4 + 2 I + 2 H2O
CoO = Co + O2 =>
2 CoO = 2 Co + O2
Al + PbO2 = Al2O3 + Pb =>
4 Al + 3 PbO2 = 2 Al2O3 + 3 Pb
*2Fe2O3 = *4Fe + *3O2 =>
*2Fe2O3 = *4Fe + *3O2
Na + MgF2 = NaF + Mg =>
2 Na + MgF2 = 2 NaF + Mg
Ag + PbSO4 = PbAg + SO4 =>
Ag + PbSO4 = PbAg + SO4
Na2O = Na + O2 =>
2 Na2O = 4 Na + O2
C6H6 + Cl2 = C6H5Cl2 + HCl =>
2 C6H6 + 3 Cl2 = 2 C6H5Cl2 + 2 HCl
FeSO4(aq) + Ba(OH)2(aq) = BaSO4(s) + Fe(OH)2(s) =>
FeSO4(aq) + Ba(OH)2(aq) = BaSO4(s) + Fe(OH)2(s)
CoSO4 + LiI = CoI + I2 + Li2SO4 =>
2 CoSO4 + 4 LiI = 2 CoI + I2 + 2 Li2SO4
MgNO3 = MgNO2 + O =>
MgNO3 = MgNO2 + O
VOCl3 + NH4OH = (NH4)3VO4 + NH4Cl + H2O =>
VOCl3 + 6 NH4OH = (NH4)3VO4 + 3 NH4Cl + 3 H2O
CoCl2 + K2(CO3) = KCl + Co(CO3) =>
CoCl2 + K2(CO3) = 2 KCl + Co(CO3)
As2O3 + Cl3 + KOH = K3AsO4 + KCl + H2O =>
3 As2O3 + 4 Cl3 + 30 KOH = 6 K3AsO4 + 12 KCl + 15 H2O
KSO2 + AgNO3 = KNO3 + AgSO2 =>
KSO2 + AgNO3 = KNO3 + AgSO2
CaSO3 + HBr = HSO3 + CaBr =>
CaSO3 + HBr = HSO3 + CaBr
NH4Cl + ClO = NCl3 + HO + HCl =>
NH4Cl + 3 ClO = NCl3 + 3 HO + HCl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
AgNO3 + H2SiO3 = Ag2SiO3 + HNO3 =>
2 AgNO3 + H2SiO3 = Ag2SiO3 + 2 HNO3
MgCl2 = Mg + Cl2 =>
MgCl2 = Mg + Cl2
NaCl + HNO3 + AgNO3 = AgCl + Na(NO3)2 + H2 =>
2 NaCl + 2 HNO3 + 2 AgNO3 = 2 AgCl + 2 Na(NO3)2 + H2
CH4 + Cl2 = CH3 + HCl =>
2 CH4 + Cl2 = 2 CH3 + 2 HCl
BrO{-} = Br{-} + BrO3{-} =>
3 BrO{-} = 2 Br{-} + BrO3{-}
KHS + NaOH = KOH + NaHS =>
KHS + NaOH = KOH + NaHS
Ag2S + Cu(OH)2 = AgOH + CuS =>
Ag2S + Cu(OH)2 = 2 AgOH + CuS
K + I2 = KI =>
2 K + I2 = 2 KI
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
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