| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SO4 + (COONa)2 = (COOH)2 + Na2SO4
C3H2 + H2SO4 = S2 + H2CO3 + H2O =>
6 C3H2 + 14 H2SO4 = 7 S2 + 18 H2CO3 + 2 H2O
Fe2(SO4)3 + K2S = Fe2S3 + K2(SO4) =>
Fe2(SO4)3 + 3 K2S = Fe2S3 + 3 K2(SO4)
AlOH(NO3)2 = Al203 + NO2 + O2 + H2O =>
812 AlOH(NO3)2 = 4 Al203 + 1624 NO2 + 1015 O2 + 406 H2O
MnO + H2SO4 + KMnO4 = MnO2 + K2SO4 + H2O =>
3 MnO + H2SO4 + 2 KMnO4 = 5 MnO2 + K2SO4 + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
SiO + O2 = SiO2 =>
2 SiO + O2 = 2 SiO2
Ag2S(s) + HNO3(aq) = AgNO3(aq) + H2S(aq) =>
Ag2S(s) + 2 HNO3(aq) = 2 AgNO3(aq) + H2S(aq)
HI + CaS = HS + CaI =>
HI + CaS = HS + CaI
Fe(CO5) + C17H33COOH = Fe(C17H33COO)2 + CO + H =>
4 Fe(CO5) + 9 C17H33COOH = 4 Fe(C17H33COO)2 + 22 CO + 42 H
K2MnO4 + CH3COOH = KMnO4 + CH3COOK + MnO2 + H2O =>
3 K2MnO4 + 4 CH3COOH = 2 KMnO4 + 4 CH3COOK + MnO2 + 2 H2O
ZnSO4 + MgCl2 + Na3PO4 = Zn3(PO4)2 + NaCl + MgSO4 =>
3 ZnSO4 + 3 MgCl2 + 2 Na3PO4 = Zn3(PO4)2 + 6 NaCl + 3 MgSO4
NaClO3 + C6H12N4 = NaCl + H2O + N2 + CO =>
4 NaClO3 + C6H12N4 = 4 NaCl + 6 H2O + 2 N2 + 6 CO
Ca(HCO3)2 + Na3PO4 = Ca3(PO4)2 + Na(HCO3) =>
3 Ca(HCO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 Na(HCO3)
Fe2SO43 + SO2 + H2O = FeSO4 + H2SO4 =>
Fe2SO43 + 38 SO2 + 37 H2O = 2 FeSO4 + 37 H2SO4
CO(NH2)2 = C3N3(NH2)3 + CO2 + NH3 =>
6 CO(NH2)2 = C3N3(NH2)3 + 3 CO2 + 6 NH3
Pb{4+} + Al = Pb + Al{3+} =>
3 Pb{4+} + 4 Al = 3 Pb + 4 Al{3+}
CaCO3 + HCl = CO2 + H2O + CaCl2 =>
CaCO3 + 2 HCl = CO2 + H2O + CaCl2
(CH3)2CO + Cl2 = Cl2CH2 + CO + HCl =>
(CH3)2CO + 3 Cl2 = 2 Cl2CH2 + CO + 2 HCl
Ag + CuSO4 = Ag2SO4 + Cu =>
2 Ag + CuSO4 = Ag2SO4 + Cu
SnCl2 + I2 = SnCl4 + SnI2 =>
2 SnCl2 + I2 = SnCl4 + SnI2
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
Co(NO3)2 + Na2SiO3 = Co2(SiO3)2 + NaNO3 =>
2 Co(NO3)2 + 2 Na2SiO3 = Co2(SiO3)2 + 4 NaNO3
Na2CO3 + RuO2 = Na2Ru4O9 + CO2 =>
Na2CO3 + 4 RuO2 = Na2Ru4O9 + CO2
SnS2 + (NH4)2S = SnS3 + NH4 =>
SnS2 + (NH4)2S = SnS3 + 2 NH4
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
NH3 + NO2 + H2O = HNO2 =>
NH3 + 6 NO2 + 2 H2O = 7 HNO2
Hg2(NO3)2 + H2S = Hg2S + HNO3 =>
Hg2(NO3)2 + H2S = Hg2S + 2 HNO3
(NH4)2SO3 + Al(C2H3O2)3 = Al2(SO3)3 + NH4C2H3O2 =>
3(NH4)2SO3 + 2 Al(C2H3O2)3 = Al2(SO3)3 + 6 NH4C2H3O2
PBr3(l) = P2 + Br2 =>
2 PBr3(l) = P2 + 3 Br2
CH3COOH + C6H5CH2OH = CH3COO(CH2)H5C6 + H2O =>
CH3COOH + C6H5CH2OH = CH3COO(CH2)H5C6 + H2O
Cr(OH)2 + H2SO4 = Cr(SO4) + H2O =>
Cr(OH)2 + H2SO4 = Cr(SO4) + 2 H2O
Pb(CH3COO)2 + FeCl3 = PbCl2 + Fe(CH3COO)3 =>
3 Pb(CH3COO)2 + 2 FeCl3 = 3 PbCl2 + 2 Fe(CH3COO)3
FeCl3(aq) + H2S = Fe2S3(s) + HCl(aq) =>
2 FeCl3(aq) + 3 H2S = Fe2S3(s) + 6 HCl(aq)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cr2O3 + KOH = K3CrO3 + H2O =>
Cr2O3 + 6 KOH = 2 K3CrO3 + 3 H2O
K[Sn(OH)3] + Br2 + KOH = K2[Sn(OH)5] + KBr =>
2 K[Sn(OH)3] + Br2 + 4 KOH = 2 K2[Sn(OH)5] + 2 KBr
K + H2S = K2S + H =>
2 K + H2S = K2S + 2 H
(NH4)2Cr2Mo12O40 + HCl + SnCl2 = NH4Cl + CrCl3 + Mo5O14 + SnCl4 + H2O =>
5(NH4)2Cr2Mo12O40 + 64 HCl + 12 SnCl2 = 10 NH4Cl + 10 CrCl3 + 12 Mo5O14 + 12 SnCl4 + 32 H2O
FeCl3 + FeCl2 + NH4OH = Fe3O4 + NH4Cl + H2O =>
2 FeCl3 + FeCl2 + 8 NH4OH = Fe3O4 + 8 NH4Cl + 4 H2O
C2H5OH + Ag2O = C2H5OAg + H2O =>
2 C2H5OH + Ag2O = 2 C2H5OAg + H2O
C6H4(COOH)2 + CH3OH = C10H10O4 + H2O =>
C6H4(COOH)2 + 2 CH3OH = C10H10O4 + 2 H2O
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
I{-} + MnO4{-} + H{+} = Mn{2+} + I2 + H2O =>
10 I{-} + 2 MnO4{-} + 16 H{+} = 2 Mn{2+} + 5 I2 + 8 H2O
C7H166 + O2 = CO2 + H2O =>
2 C7H166 + 97 O2 = 14 CO2 + 166 H2O
KMnO4 + NH3 = MnO2 + KOH + H2O + KNO3 =>
8 KMnO4 + 3 NH3 = 8 MnO2 + 5 KOH + 2 H2O + 3 KNO3
As2S5 + NO3{-} + H{+} = AsO4{-} + SO4{2-} + NO + H2O =>
3 As2S5 + 44 NO3{-} + 8 H{+} = 6 AsO4{-} + 15 SO4{2-} + 44 NO + 4 H2O
N2(g) + H2(g) + O2(g) = NH4NO3(s) =>
2 N2(g) + 4 H2(g) + 3 O2(g) = 2 NH4NO3(s)
CO(NH2)2 + NO3{-} + H{+} = N2 + CO2 + H2O =>
5 CO(NH2)2 + 6 NO3{-} + 6 H{+} = 8 N2 + 5 CO2 + 13 H2O
Cu2O + FeSi = Cu + FeO + SiO2 =>
3 Cu2O + FeSi = 6 Cu + FeO + SiO2
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Équations équilibrées sur02/15/25
Équations équilibrées sur03/17/24
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