| Équations équilibrées la veille |
4 K2Cr2O7 + 15 H2SO4 + 5 H2S = 4 Cr2(SO4)3 + 8 KHSO3 + 16 H2O
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
HI + H2SO4 = H2O + H2S + I2 =>
8 HI + H2SO4 = 4 H2O + H2S + 4 I2
C3H7COOH + C3H7OH = C3H7COOC3H7 + H2O =>
C3H7COOH + C3H7OH = C3H7COOC3H7 + H2O
CH3COOH + NaCl = CH3COCl + NaOH =>
CH3COOH + NaCl = CH3COCl + NaOH
C3H6O3 + Cu{2+} + OH{-} = C3H5O3 + Cu2O + H2O =>
2 C3H6O3 + 2 Cu{2+} + 4 OH{-} = 2 C3H5O3 + Cu2O + 3 H2O
Cr2(CO3)3 + H = Cr + H2O + CO2 =>
Cr2(CO3)3 + 6 H = 2 Cr + 3 H2O + 3 CO2
H2SO4 + Ag2S = Ag2(SO4) + H2S =>
H2SO4 + Ag2S = Ag2(SO4) + H2S
NaOCl + KI + H2SO4 = I2 + NaCl + K2SO4 + H2O =>
NaOCl + 2 KI + H2SO4 = I2 + NaCl + K2SO4 + H2O
Mg2Si + HCl = MgCl2 + SiH4 =>
Mg2Si + 4 HCl = 2 MgCl2 + SiH4
H2O2Mn = H2 + O2 + Mn =>
H2O2Mn = H2 + O2 + Mn
Ne + O2 = Ne2O5 =>
4 Ne + 5 O2 = 2 Ne2O5
NaOH + (Cl2) = NaClO + NaCl + (H2O) =>
2 NaOH + (Cl2) = NaClO + NaCl + (H2O)
V2O5 + CaO = CaO6 + V2 =>
V2O5 + CaO = CaO6 + V2
CH3{-}CH2{-}COOH + Cl2 = CH2Cl{-}CH2{-}COOH + HCl =>
CH3{-}CH2{-}COOH + Cl2 = CH2Cl{-}CH2{-}COOH + HCl
Ag3AsO3 + NH4OH = Ag(NH3)2 + AsO3 + H2O =>
Ag3AsO3 + 6 NH4OH = 3 Ag(NH3)2 + AsO3 + 6 H2O
Sn2O3 + NaClO + HCl = SnCl4 + NaCl + H2O =>
Sn2O3 + NaClO + 8 HCl = 2 SnCl4 + NaCl + 4 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K2Cr2O7(aq) + KNO2(aq) + H2SO4(aq) = KNO3(aq) + K2SO4(aq) + Cr2(SO4)3(aq) + H2O(l) =>
K2Cr2O7(aq) + 3 KNO2(aq) + 4 H2SO4(aq) = 3 KNO3(aq) + K2SO4(aq) + Cr2(SO4)3(aq) + 4 H2O(l)
Cu(OH)2 + H2 = Cu + H2O =>
Cu(OH)2 + H2 = Cu + 2 H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
ClO3 = Cl + O =>
ClO3 = Cl + 3 O
NaHCO3 + H3C6H5O2 = CO2 + H2O + Na3C6H5O7 =>
42 NaHCO3 + 9 H3C6H5O2 = 12 CO2 + 22 H2O + 14 Na3C6H5O7
FeSO4 + (NH4)2S = FeS + (NH4)2SO4 =>
FeSO4 + (NH4)2S = FeS + (NH4)2SO4
Zn + NH3 + Na2HPO4 = ZnNH4PO4 + Na =>
Zn + NH3 + Na2HPO4 = ZnNH4PO4 + 2 Na
HCl(aq) + Mg2(s) = MgCl2(aq) + H2 =>
4 HCl(aq) + Mg2(s) = 2 MgCl2(aq) + 2 H2
NH4HCO3 + CuSO4 = (NH4)2SO4 + Cu(HCO3)2 =>
2 NH4HCO3 + CuSO4 = (NH4)2SO4 + Cu(HCO3)2
NH4OH + C6H8O7 = C6H11NO7 + H2O =>
NH4OH + C6H8O7 = C6H11NO7 + H2O
BaCl2 + H3PO4 = Ba3(PO4)2 + HCl =>
3 BaCl2 + 2 H3PO4 = Ba3(PO4)2 + 6 HCl
NH4NO3 + (Na)2S = (NH4)2S + NaNO3 =>
2 NH4NO3 + (Na)2S = (NH4)2S + 2 NaNO3
(C7H5O2)2Ag + NH4ClO4 = CO2 + N2 + AgCl + H2O + HCl =>
10(C7H5O2)2Ag + 118 NH4ClO4 = 140 CO2 + 59 N2 + 10 AgCl + 232 H2O + 108 HCl
HCl + Fe3O4 = FeCl2 + FeCl3 + H2O =>
8 HCl + Fe3O4 = FeCl2 + 2 FeCl3 + 4 H2O
Ag(s) + HCl(aq) = AgCl + H2 =>
2 Ag(s) + 2 HCl(aq) = 2 AgCl + H2
Na2SiO3 + H2O = Na2Si2O5 + NaOH =>
2 Na2SiO3 + H2O = Na2Si2O5 + 2 NaOH
I + CaCl2 = CaI + Cl =>
I + CaCl2 = CaI + 2 Cl
Cr + SnCl = SnCrCl =>
Cr + SnCl = SnCrCl
Fe + SCN = Fe(SCN)3 =>
Fe + 3 SCN = Fe(SCN)3
NaOH + CoSO4*7H2O = Co(OH)2 + Na2SO4 + H2O =>
2 NaOH + CoSO4*7H2O = Co(OH)2 + Na2SO4 + 7 H2O
NaBr + NaClO + HCl = Br2 + NaCl + H2O =>
2 NaBr + NaClO + 2 HCl = Br2 + 3 NaCl + H2O
(NH4)2SO4 + SrCl2 = NH4Cl + SrSO4 =>
(NH4)2SO4 + SrCl2 = 2 NH4Cl + SrSO4
(CH3)2SO2 + KBr + OH = CH3Br + K2SO3 + H2 =>
2(CH3)2SO2 + 4 KBr + 2 OH = 4 CH3Br + 2 K2SO3 + H2
NaClBa(No3)2 = Na(No3)2BaCl =>
NaClBa(No3)2 = Na(No3)2BaCl
(NH4)2Cr2O7 + Fe(BrO2)3 = NH4BrO2 + Fe2(Cr2O7)3 =>
3(NH4)2Cr2O7 + 2 Fe(BrO2)3 = 6 NH4BrO2 + Fe2(Cr2O7)3
HCHO + Cu(OH)2 = HCOOH + Cu20 + H2O =>
20 HCHO + 20 Cu(OH)2 = 20 HCOOH + Cu20 + 20 H2O
FeO + Mn = Fe + MnO2 =>
2 FeO + Mn = 2 Fe + MnO2
FeCl2 + C = Fe + CCl4 =>
2 FeCl2 + C = 2 Fe + CCl4
Zn(s) + HgO(s) = ZnO(s) + Hg(l) =>
Zn(s) + HgO(s) = ZnO(s) + Hg(l)
CuSO4 + H2O = CuSO4*5H2O =>
CuSO4 + 5 H2O = CuSO4*5H2O
ZnSO4*7H2O + NH4SCN + C5H5N = Zn(C5H5N)2(SCN)2 + (NH4)2SO4 + H2O =>
ZnSO4*7H2O + 2 NH4SCN + 2 C5H5N = Zn(C5H5N)2(SCN)2 + (NH4)2SO4 + 7 H2O
NaOH + (NH4)3Po4 = Na3Po4 + H2O + NH3 =>
3 NaOH + (NH4)3Po4 = Na3Po4 + 3 H2O + 3 NH3
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