| Équations équilibrées la veille |
2 KNO3 + Na2CrO4 = K2CrO4 + 2 NaNO3
FeC + H2O = Fe(OH)2 + C4 + H2 =>
4 FeC + 8 H2O = 4 Fe(OH)2 + C4 + 4 H2
H2S + (CrO7)2{-} + H1{+} = S + Cr + H2O =>
27 H2S + 2(CrO7)2{-} + 2 H1{+} = 27 S + 4 Cr + 28 H2O
CH3COOH + Cr(OH)3 + Hg(OH)2 = CrHg(CH3COO)5 + H2O =>
5 CH3COOH + Cr(OH)3 + Hg(OH)2 = CrHg(CH3COO)5 + 5 H2O
Fe + Be = Fe2Be3 =>
2 Fe + 3 Be = Fe2Be3
Ca(NO3)2*4H2O + Co(NO3)2*6H2O + C6H10O5 = Ca3Co4O9 + N2O + CO2 + H2 =>
21 Ca(NO3)2*4H2O + 28 Co(NO3)2*6H2O + 62 C6H10O5 = 7 Ca3Co4O9 + 49 N2O + 372 CO2 + 562 H2
Si + P = SiP5 =>
Si + 5 P = SiP5
Cr + H2O = Cr3O4 + H2 =>
3 Cr + 4 H2O = Cr3O4 + 4 H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn(OH)2 + MgO = ZnO + Mg(OH)2 =>
Zn(OH)2 + MgO = ZnO + Mg(OH)2
NiCO3 + CH3COOH = Ni(CH3COO)2 + CO2 + H2O =>
NiCO3 + 2 CH3COOH = Ni(CH3COO)2 + CO2 + H2O
AlBr + KCO3 = AlCO3 + BrK =>
AlBr + KCO3 = AlCO3 + BrK
C6H8O7 + Mn(NO3)2*4H2O = Mn2O3 + H2O + N2 + CO2 =>
C6H8O7 + 2 Mn(NO3)2*4H2O = Mn2O3 + 12 H2O + 2 N2 + 6 CO2
PbN2O6 + NaI = NaNO3 + PbI2 =>
PbN2O6 + 2 NaI = 2 NaNO3 + PbI2
C3H6O + NaOCl = CHCl3 + NaOH + C2H3NaO2 =>
C3H6O + 3 NaOCl = CHCl3 + 2 NaOH + C2H3NaO2
Sc2O3 + HF = ScF3 + H2O =>
Sc2O3 + 6 HF = 2 ScF3 + 3 H2O
MgCl2 + Pb(NO3)2 = Mg(NO3)2 + PbCl2 =>
MgCl2 + Pb(NO3)2 = Mg(NO3)2 + PbCl2
Y + H2O = YOH + H2 =>
2 Y + 2 H2O = 2 YOH + H2
CrCl3 + CO = C + Cr2O3 + Cl2 =>
2 CrCl3 + 3 CO = 3 C + Cr2O3 + 3 Cl2
Zn(s) + CuCl2(aq) = ZnCl2(aq) + Cu(s) =>
Zn(s) + CuCl2(aq) = ZnCl2(aq) + Cu(s)
Fe(OH)3 + Na2SO3 = Fe(OH)2 + Na2SO4 + H2O =>
2 Fe(OH)3 + Na2SO3 = 2 Fe(OH)2 + Na2SO4 + H2O
P3O7 = P + O =>
P3O7 = 3 P + 7 O
Fe + CuCe = FeCe2 + Cu =>
Fe + 2 CuCe = FeCe2 + 2 Cu
NiCl2(ac) + Na2CO3(ac) = NiCO3(s) + NaCl(ac) =>
NiCl2(ac) + Na2CO3(ac) = NiCO3(s) + 2 NaCl(ac)
CuS + HI = CuHI + S =>
CuS + HI = CuHI + S
RO = R + O =>
RO = R + O
H{+} + I{-} + XeO3 = H2O + Xe + I3{-} =>
6 H{+} + 9 I{-} + XeO3 = 3 H2O + Xe + 3 I3{-}
ZnSO4 + ammoniumhydroxide = Zn(OH)2 + (NH4)2SO4 =>
ZnSO4 + 2 NH4OH = Zn(OH)2 + (NH4)2SO4
N2(s) + H2(g) = NH3(g) =>
N2(s) + 3 H2(g) = 2 NH3(g)
Au(NO3)3 = O2 + Au + NO2 =>
2 Au(NO3)3 = 3 O2 + 2 Au + 6 NO2
CaCl + Cu(NO3)2 = CaNO3 + CuCl2 =>
2 CaCl + Cu(NO3)2 = 2 CaNO3 + CuCl2
Fe(NO3)2 + N2 = Fe2O3 + NO2 =>
8 Fe(NO3)2 + N2 = 4 Fe2O3 + 18 NO2
P2O5 + BaO = BaP + O2 =>
2 P2O5 + 4 BaO = 4 BaP + 7 O2
Fe + H2O + O2 = Fe2O3*5H2O =>
4 Fe + 10 H2O + 3 O2 = 2 Fe2O3*5H2O
Ag + CuSO4 = Ag2SO4 + Cu =>
2 Ag + CuSO4 = Ag2SO4 + Cu
Ni(NO3)2 + LiNO2 = Ni(NO2)2 + Li(NO3) =>
Ni(NO3)2 + 2 LiNO2 = Ni(NO2)2 + 2 Li(NO3)
Zn + Pb3(PO4)4 = Zn3(PO4)2 + Pb =>
6 Zn + Pb3(PO4)4 = 2 Zn3(PO4)2 + 3 Pb
[Ag(NH3)2]Cl(aq) + HNO3(aq) = NH4NO3(aq) + AgCl(aq) =>
[Ag(NH3)2]Cl(aq) + 2 HNO3(aq) = 2 NH4NO3(aq) + AgCl(aq)
Na2CaSi6O14 + HF = NaF + CaF2 + H2SiF6 + H2O =>
Na2CaSi6O14 + 40 HF = 2 NaF + CaF2 + 6 H2SiF6 + 14 H2O
Na(s) + H2SO3 = Na2SO3(aq) + H2(g)(classification) =>
2 Na(s) + H2SO3 = Na2SO3(aq) + H2(g)(classification)
Co(NO3)3 + K3Fe(CN)6 = Co(CN)6 + FeK3(NO3)3 =>
Co(NO3)3 + K3Fe(CN)6 = Co(CN)6 + FeK3(NO3)3
C5H10O + KMnO4 + H2SO4 = C5H10O2 + MnSO4 + K2SO4 + H2O =>
5 C5H10O + 2 KMnO4 + 3 H2SO4 = 5 C5H10O2 + 2 MnSO4 + K2SO4 + 3 H2O
K2Cr2O7 + K2C2O4 + H2SO4 = Cr2(SO4)3 + CO2 + K2SO4 + H2O =>
K2Cr2O7 + 3 K2C2O4 + 7 H2SO4 = Cr2(SO4)3 + 6 CO2 + 4 K2SO4 + 7 H2O
I2 + ClO{-} + H{+} = IO3{-} + Cl + H2O =>
I2 + 10 ClO{-} + 8 H{+} = 2 IO3{-} + 10 Cl + 4 H2O
CuSO4 + Li3PO4 = Cu3(PO4)2 + Li2SO4 =>
3 CuSO4 + 2 Li3PO4 = Cu3(PO4)2 + 3 Li2SO4
I2 + NH4Cl = NH4I2 + Cl2 =>
2 I2 + 2 NH4Cl = 2 NH4I2 + Cl2
BaCl2 + K2Cr2O7 + H2O = BaCrO4 + HCl + KCl =>
2 BaCl2 + K2Cr2O7 + H2O = 2 BaCrO4 + 2 HCl + 2 KCl
Au2S3 + Na = Na2S + Au =>
Au2S3 + 6 Na = 3 Na2S + 2 Au
CoCl2*6H2O + H2O2 + C2H8N2 + HCl = [CoCl2(C2H8N2)2]Cl + H2O =>
2 CoCl2*6H2O + H2O2 + 4 C2H8N2 + 2 HCl = 2[CoCl2(C2H8N2)2]Cl + 14 H2O
CrN + Cr2S3 + Cr2N = Cr2SN =>
2 CrN + Cr2S3 + Cr2N = 3 Cr2SN
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