Équations équilibrées la veille | Équations équilibrées le lendemain |
2[Cu(NH3)4]{2+} + 7 CN{-} + H2O = 2[Cu(CN)3]{2-} + CNO{-} + 2 NH4{+} + 6 NH3
C70H41O6N + O2 = CO2 + H2O + N2 =>
4 C70H41O6N + 309 O2 = 280 CO2 + 82 H2O + 2 N2
Fe3N2 + F2 = Fe3F2 + N2 =>
Fe3N2 + F2 = Fe3F2 + N2
CaC4H4O6 + ZnCl2 = CaCl2 + ZnC4H4O6 =>
CaC4H4O6 + ZnCl2 = CaCl2 + ZnC4H4O6
[Cu(NH3)4]{2+} + CN{-} + H2O = [Cu(CN)3]{2-} + CNO{-} + NH4{+} + NH3 =>
2[Cu(NH3)4]{2+} + 7 CN{-} + H2O = 2[Cu(CN)3]{2-} + CNO{-} + 2 NH4{+} + 6 NH3
Sm + H2S = Sm2S3 + H2 =>
2 Sm + 3 H2S = Sm2S3 + 3 H2
As + KOH = K3AsO3 + H2 =>
2 As + 6 KOH = 2 K3AsO3 + 3 H2
Co + AgNO3 = Ag + Co2NO3 =>
2 Co + AgNO3 = Ag + Co2NO3
CaCO3(s) + HCl(ag) = CaCl2(ag) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 HCl(ag) = CaCl2(ag) + H2O(l) + CO2(g)
Co + AgNO3 = Ag + Co2NO3 =>
2 Co + AgNO3 = Ag + Co2NO3
NaCl + CO2 + NH4OH = NaHCO3 + NH4Cl =>
NaCl + CO2 + NH4OH = NaHCO3 + NH4Cl
SrO + SrO2 + SrH2 + Cr2O3 = Sr200Cr100O385H15 =>
300 SrO + 85 SrO2 + 15 SrH2 + 100 Cr2O3 = 2 Sr200Cr100O385H15
HNO3(ac) + Li(ac) = NO2(g) + H2O + LiNO3 =>
2 HNO3(ac) + Li(ac) = NO2(g) + H2O + LiNO3
H2O2 + ZnS = ZnSO3 + H2O =>
3 H2O2 + ZnS = ZnSO3 + 3 H2O
Na3PO4 + H2O = HPO4{2-} + OH{-} + Na{+} =>
Na3PO4 + H2O = HPO4{2-} + OH{-} + 3 Na{+}
SrO + SrO2 + SrH2 + Cr2O3 = Sr200Cr100O385H15 =>
300 SrO + 85 SrO2 + 15 SrH2 + 100 Cr2O3 = 2 Sr200Cr100O385H15
SnS + H2O2 + OH{-} = SnS3{2-} + Sn(OH)6{2-} =>
3 SnS + 3 H2O2 + 6 OH{-} = SnS3{2-} + 2 Sn(OH)6{2-}
HNO3(ac) + Li(ac) = NO2(g) + H2O + LiNO3 =>
2 HNO3(ac) + Li(ac) = NO2(g) + H2O + LiNO3
AsO3{3-} + I2 + H2O = AsO4{3-} + I{-} + H3O{+} =>
AsO3{3-} + I2 + 3 H2O = AsO4{3-} + 2 I{-} + 2 H3O{+}
CaCO3(s) + HCl(ag) = CaCl2(ag) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 HCl(ag) = CaCl2(ag) + H2O(l) + CO2(g)
FeSO4 + H2SO4 + K2Cr2O7 = CrSO4 + K2SO4 + Fe2(SO4)3 + H2O =>
8 FeSO4 + 7 H2SO4 + K2Cr2O7 = 2 CrSO4 + K2SO4 + 4 Fe2(SO4)3 + 7 H2O
NaCl + CO2 + NH4OH = NaHCO3 + NH4Cl =>
NaCl + CO2 + NH4OH = NaHCO3 + NH4Cl
Ni + Cr(NO3)3 = Cr + Ni(NO3)2 =>
3 Ni + 2 Cr(NO3)3 = 2 Cr + 3 Ni(NO3)2
Sb + H{+} + SO4{-2} = Sb{+3} + SO2 + H2O =>
2 Sb + 12 H{+} + 3 SO4{-2} = 2 Sb{+3} + 3 SO2 + 6 H2O
AsO3{3-} + I2 + H2O = AsO4{3-} + I{-} + H3O{+} =>
AsO3{3-} + I2 + 3 H2O = AsO4{3-} + 2 I{-} + 2 H3O{+}
SrCrO4 + AlCl3 = Al2Cr3O12 + SrCl2 =>
3 SrCrO4 + 2 AlCl3 = Al2Cr3O12 + 3 SrCl2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KI + KMnO4 + H2SO4 = I2 + Mn2(SO4)3 + K2SO4 + H2O =>
8 KI + 2 KMnO4 + 8 H2SO4 = 4 I2 + Mn2(SO4)3 + 5 K2SO4 + 8 H2O
NHO3 + HNO2 = NO3 + H2NO2 =>
NHO3 + HNO2 = NO3 + H2NO2
Cr2O7{-2} + SO3 + H{+} = SO4 + Cr{3+} + H2O =>
Cr2O7{-2} + 3 SO3 + 8 H{+} = 3 SO4 + 2 Cr{3+} + 4 H2O
Al(s) + H{+}(aq) = Al{+3}(aq) + H2(g) =>
2 Al(s) + 6 H{+}(aq) = 2 Al{+3}(aq) + 3 H2(g)
H2SO4 + Na2NO2 = H2NO2 + Na2SO4 =>
H2SO4 + Na2NO2 = H2NO2 + Na2SO4
Na2O5S2 + NaOH + Br2 = NaBr + Na2SO4 + H2O =>
Na2O5S2 + 6 NaOH + 2 Br2 = 4 NaBr + 2 Na2SO4 + 3 H2O
Al(s) + H{+}(aq) = Al{3+}(aq) + H2(g) =>
2 Al(s) + 6 H{+}(aq) = 2 Al{3+}(aq) + 3 H2(g)
H2WO4 + NH4OH = (NH4)10H2W12O42 + H2O =>
12 H2WO4 + 10 NH4OH = (NH4)10H2W12O42 + 16 H2O
Fe2S3 + Fe = FeS =>
Fe2S3 + Fe = 3 FeS
Ba3(PO4)2 + KBr = BaBr2 + K3PO4 =>
Ba3(PO4)2 + 6 KBr = 3 BaBr2 + 2 K3PO4
Fe + KNO3 = Fe3O4 + K2O + NO2 =>
3 Fe + 8 KNO3 = Fe3O4 + 4 K2O + 8 NO2
C6H5C(O)CH3 + H2 = C6H5CH(OH)CH3 =>
C6H5C(O)CH3 + H2 = C6H5CH(OH)CH3
KI + KMnO4 + H2SO4 = I2 + Mn2(SO4)3 + K2SO4 + H2O =>
8 KI + 2 KMnO4 + 8 H2SO4 = 4 I2 + Mn2(SO4)3 + 5 K2SO4 + 8 H2O
Al + H(NO3) = Al(NO3)3 + H2O + NO =>
Al + 4 H(NO3) = Al(NO3)3 + 2 H2O + NO
HCl + K2Cr2O7 + CH3CH2CHOHCH3 = CrCl3 + H2O + CH3CH2COCH3 + KCl =>
8 HCl + K2Cr2O7 + 3 CH3CH2CHOHCH3 = 2 CrCl3 + 7 H2O + 3 CH3CH2COCH3 + 2 KCl
KNO3 + HCO3 = HNO3 + KCO3 =>
KNO3 + HCO3 = HNO3 + KCO3
Cr2O7{-2} + SO3 + H{+} = SO4 + Cr{3+} + H2O =>
Cr2O7{-2} + 3 SO3 + 8 H{+} = 3 SO4 + 2 Cr{3+} + 4 H2O
C70H41O6N + O2 = CO2 + H2O + N2 =>
4 C70H41O6N + 309 O2 = 280 CO2 + 82 H2O + 2 N2
CaC4H4O6 + ZnCl2 = CaCl2 + ZnC4H4O6 =>
CaC4H4O6 + ZnCl2 = CaCl2 + ZnC4H4O6
Cr2O7{-2} + SO3 + H{+} = SO4 + Cr{3+} + H2O =>
Cr2O7{-2} + 3 SO3 + 8 H{+} = 3 SO4 + 2 Cr{3+} + 4 H2O
NaCl + H2(SO)4 = Na2(SO)4 + HCl =>
2 NaCl + H2(SO)4 = Na2(SO)4 + 2 HCl
CH3COOC4H9 + KOH = CH3COOK + C4H9OH =>
CH3COOC4H9 + KOH = CH3COOK + C4H9OH
Co + AgNO3 = Ag + Co2NO3 =>
2 Co + AgNO3 = Ag + Co2NO3
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