| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HOH + Zn(NO3)2 = Zn(OH)2 + 2 HNO3
FeCo2 = Fe + Co3 =>
3 FeCo2 = 3 Fe + 2 Co3
NaHO + Ba(NO3)2 = Ba(HO)2 + NaNO3 =>
2 NaHO + Ba(NO3)2 = Ba(HO)2 + 2 NaNO3
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
SO4{2-} + Zn + H{+} = S{-} + Zn{+2} + H2O =>
2 SO4{2-} + 7 Zn + 16 H{+} = 2 S{-} + 7 Zn{+2} + 8 H2O
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
CaOH2 + PbCl2 = Ca(Cl2) + OH2(Pb) =>
CaOH2 + PbCl2 = Ca(Cl2) + OH2(Pb)
FeCl3 + H2O = Fe(OH)3 + HCl =>
FeCl3 + 3 H2O = Fe(OH)3 + 3 HCl
Al2(CO3)3 + HNO3 = Al(NO3)3 + CO2 + H2O =>
Al2(CO3)3 + 6 HNO3 = 2 Al(NO3)3 + 3 CO2 + 3 H2O
(NH4)2S + HC2H3O2 = NH4C2H3O2 + H2S =>
(NH4)2S + 2 HC2H3O2 = 2 NH4C2H3O2 + H2S
NaCl + K2SO4 = KCl + Na2(SO4) =>
2 NaCl + K2SO4 = 2 KCl + Na2(SO4)
CrCl2 + K(OH) + KClO3 = KCl + KCrO2 + H2O =>
6 CrCl2 + 18 K(OH) + KClO3 = 13 KCl + 6 KCrO2 + 9 H2O
Fe2(SO4)3 + BaI2 = BaSO4 + FeI3 =>
Fe2(SO4)3 + 3 BaI2 = 3 BaSO4 + 2 FeI3
HgS + HCl + KI = K4[HgI6] + KCl + H2S =>
HgS + 2 HCl + 6 KI = K4[HgI6] + 2 KCl + H2S
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2SO4 + CMgO3 = MgSO4 + CO2 + H2O =>
H2SO4 + CMgO3 = MgSO4 + CO2 + H2O
Fe + CH4 = Fe3C + H2 =>
3 Fe + CH4 = Fe3C + 2 H2
C4H40S(l) + O2(g) = CO2 + H2O + SO2 =>
C4H40S(l) + 15 O2(g) = 4 CO2 + 20 H2O + SO2
Na2S + Na2Cr2O7 + H2SO4 = Cr(SO4) + Na2SO4 + H2O =>
Na2S + Na2Cr2O7 + 3 H2SO4 = 2 Cr(SO4) + 2 Na2SO4 + 3 H2O
Cr3{+} + PbO2 + H2O = Pb2{+} + CrO4{-2} + H{+} =>
7 Cr3{+} + 34 PbO2 + 16 H2O = 17 Pb2{+} + 21 CrO4{-2} + 32 H{+}
K2Cr2O7 + H2SO4 + C2H5OH = KCr(SO4)2 + H2O + CH3CHO =>
K2Cr2O7 + 4 H2SO4 + 3 C2H5OH = 2 KCr(SO4)2 + 7 H2O + 3 CH3CHO
Ca(OH)2 + K2O = CaO + KOH =>
Ca(OH)2 + K2O = CaO + 2 KOH
(MnOH)2SO4 + H2SO4 = MnSO4 + H2O =>
(MnOH)2SO4 + H2SO4 = 2 MnSO4 + 2 H2O
H2SO4 + NaCr2O7 + NaCl = Cr(SO4) + Cl + NaSO4 + H2O =>
7 H2SO4 + NaCr2O7 + 4 NaCl = 2 Cr(SO4) + 4 Cl + 5 NaSO4 + 7 H2O
PO4{-3} + SiO2 + C = SiO3{-2} + P4 + CO =>
4 PO4{-3} + 6 SiO2 + 10 C = 6 SiO3{-2} + P4 + 10 CO
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Sr(HCO3)2 + KOH = K2CO3 + Sr(OH)2 + H2O =>
Sr(HCO3)2 + 4 KOH = 2 K2CO3 + Sr(OH)2 + 2 H2O
C2 + Cl2 = CCl4 =>
C2 + 4 Cl2 = 2 CCl4
KMnO4 = MnO + K2O + O2 =>
4 KMnO4 = 4 MnO + 2 K2O + 5 O2
CH3COOH + H2O = CH3COO{-} + H3O{+} =>
CH3COOH + H2O = CH3COO{-} + H3O{+}
NaBH4 + H2SO4 = H2 + B2H6 + Na2SO4 =>
2 NaBH4 + H2SO4 = 2 H2 + B2H6 + Na2SO4
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CuO + Fe = Cu + Fe3O4 =>
4 CuO + 3 Fe = 4 Cu + Fe3O4
C12H23OH + O2 = CO2 + H2O =>
2 C12H23OH + 35 O2 = 24 CO2 + 24 H2O
V2O5 + Al = V2Al + O =>
V2O5 + Al = V2Al + 5 O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
MgCl2 + AgNO3 = MgNO3AgCl2 =>
MgCl2 + AgNO3 = MgNO3AgCl2
N2H4 + AgCl = Ag + N2 + HCl =>
N2H4 + 4 AgCl = 4 Ag + N2 + 4 HCl
P + H + O = H3PO4 =>
P + 3 H + 4 O = H3PO4
Fe + Mn2{+} = Fe2{+} + Mn =>
2 Fe + Mn2{+} = Fe2{+} + 2 Mn
Al2O3 + H2SO4 = H2 + O2 + Al2S3 =>
2 Al2O3 + 6 H2SO4 = 6 H2 + 15 O2 + 2 Al2S3
Fe(OH)3 + NaOH = NaFe(OH)4 =>
Fe(OH)3 + NaOH = NaFe(OH)4
Li(s) + FeBr2(aq) = LiBr(aq) + Fe(s) =>
2 Li(s) + FeBr2(aq) = 2 LiBr(aq) + Fe(s)
LiI2 + LiMnO4 + H2SO4 = Li2SO4 + MnSO4 + I2 + H2O =>
5 LiI2 + LiMnO4 + 4 H2SO4 = 3 Li2SO4 + MnSO4 + 5 I2 + 4 H2O
FeCl3 + CH3COOH = Fe(COOCH3)3 + HCl =>
FeCl3 + 3 CH3COOH = Fe(COOCH3)3 + 3 HCl
Cu(PO4)2 + Au = Cu + AuPO4 =>
Cu(PO4)2 + 2 Au = Cu + 2 AuPO4
C7H1606 + O2 = CO2 + H2O =>
2 C7H1606 + 817 O2 = 14 CO2 + 1606 H2O
NiCl2 + NaHCO3 = NiCO3*Ni(OH)2 + NaCl + CO2 + H2O =>
2 NiCl2 + 4 NaHCO3 = NiCO3*Ni(OH)2 + 4 NaCl + 3 CO2 + H2O
Fe2O3 + CO2 = Fe2(CO3)3 =>
Fe2O3 + 3 CO2 = Fe2(CO3)3
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/13/24
Équations équilibrées sur01/12/24
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