| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KMnO4 + 4 H2O + 6 NaI = 2 MnO2 + 3 I2 + 6 NaOH + 2 KOH
C12H25NaO4S + C2H4O = CH3(CH2)10CH2(OCH2CH2)2OSO3Na =>
C12H25NaO4S + 2 C2H4O = CH3(CH2)10CH2(OCH2CH2)2OSO3Na
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)Cl(l) + SrSO4(s) =>
(NH4)2SO4(aq) + SrCl2(aq) = 2(NH4)Cl(l) + SrSO4(s)
CH3COOH + CuCl2 = Cu(HCOO)2 + C2H6Cl2 =>
2 CH3COOH + CuCl2 = Cu(HCOO)2 + C2H6Cl2
C7H8O + H2CrO4 = C7H6O2 + Cr + H2O =>
3 C7H8O + 2 H2CrO4 = 3 C7H6O2 + 2 Cr + 5 H2O
Fe(NO3)3*9H2O + Al = Al2O3 + Fe + N2 + H2 =>
2 Fe(NO3)3*9H2O + 24 Al = 12 Al2O3 + 2 Fe + 3 N2 + 18 H2
K2Cr2O7 + HCl = Cl2 + KCl + Cr2O3 + H2O =>
K2Cr2O7 + 8 HCl = 3 Cl2 + 2 KCl + Cr2O3 + 4 H2O
Cr + ClO4 + H2O = Cr(OH)3 + ClO3 =>
2 Cr + 3 ClO4 + 3 H2O = 2 Cr(OH)3 + 3 ClO3
C2H4O2(g) + O2(g) = CO2(g) + H2O(g) =>
C2H4O2(g) + 2 O2(g) = 2 CO2(g) + 2 H2O(g)
Si + HBr = SiBr3 + H2 =>
2 Si + 6 HBr = 2 SiBr3 + 3 H2
HCl + K2Cr2O7 + H2O + As2O3 = H3AsO4 + KCl + CrCl3 =>
16 HCl + 2 K2Cr2O7 + H2O + 3 As2O3 = 6 H3AsO4 + 4 KCl + 4 CrCl3
CrI3 + KOH + Cl2 = K2CrO4 + KIO4 + KCl + HOH =>
2 CrI3 + 64 KOH + 27 Cl2 = 2 K2CrO4 + 6 KIO4 + 54 KCl + 32 HOH
Cu + (NH)3 = Cu(NH)3 =>
Cu + (NH)3 = Cu(NH)3
Na(s) + CuSO4(aq) = Na2SO4 + Cu =>
2 Na(s) + CuSO4(aq) = Na2SO4 + Cu
HPr + O2 = H2O + Pr =>
4 HPr + O2 = 2 H2O + 4 Pr
FeCl2 + Na2SO4 = Cl2SO4 + FeNa2 =>
FeCl2 + Na2SO4 = Cl2SO4 + FeNa2
S2Cl2 + NH3 = S4N4S8 + NH4Cl =>
6 S2Cl2 + 16 NH3 = S4N4S8 + 12 NH4Cl
Mg3N2 + H2O = Mg + NH4 + O2 =>
Mg3N2 + 4 H2O = 3 Mg + 2 NH4 + 2 O2
CH3CH2OH(g) + O2(g) = CO2(g) + H2O(g) =>
CH3CH2OH(g) + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
NH4 + AgNO3 = NH4NO3 + Ag =>
NH4 + AgNO3 = NH4NO3 + Ag
Al(s) + C2(g) = AlC3(s) =>
2 Al(s) + 3 C2(g) = 2 AlC3(s)
KI + FeCl3 = KCl + I2 + FeCl2 =>
2 KI + 2 FeCl3 = 2 KCl + I2 + 2 FeCl2
K1 + S2 = K2S =>
4 K1 + S2 = 2 K2S
Na2ONaCl = Na2ClNaO =>
Na2ONaCl = Na2ClNaO
CrI3 + KOH + Cl0 = K2CrO4 + KIO4 + KCl + H2O =>
CrI3 + 32 KOH + 27 Cl0 = K2CrO4 + 3 KIO4 + 27 KCl + 16 H2O
Zn(s) + HCl(aq) = H2(g) + ZnCl2(ag) =>
Zn(s) + 2 HCl(aq) = H2(g) + ZnCl2(ag)
AgBr + Ga(PO4) = Ag3(PO4) + GaBr3 =>
3 AgBr + Ga(PO4) = Ag3(PO4) + GaBr3
F6 + U = UF6 =>
F6 + U = UF6
H2O + CuO + NaOH = Na2[Cu(OH)4] =>
H2O + CuO + 2 NaOH = Na2[Cu(OH)4]
H2SO3 + Cu(OH)2 = Cu(SO3) + H2O =>
H2SO3 + Cu(OH)2 = Cu(SO3) + 2 H2O
CUI2 = CUI + I2 =>
2 CUI2 = 2 CUI + I2
I{-} + SO4{2-} + H2O = I2 + H2S + OH{-} =>
8 I{-} + SO4{2-} + 6 H2O = 4 I2 + H2S + 10 OH{-}
HF + Be(OH)2 = HOH + BeF2 =>
2 HF + Be(OH)2 = 2 HOH + BeF2
C8H8O4 + C2H5OCl = C14H20O7 + HCl =>
C8H8O4 + 3 C2H5OCl = C14H20O7 + 3 HCl
CuCl2 + NH3 + H2O = [Cu(NH3)4(H2O)2]{+2} + NH4Cl + OH{-} =>
CuCl2 + 6 NH3 + 4 H2O = [Cu(NH3)4(H2O)2]{+2} + 2 NH4Cl + 2 OH{-}
C7N8H4O2 + HCl + O2 = H2O + CCl4 + N2 =>
C7N8H4O2 + 28 HCl + 7 O2 = 16 H2O + 7 CCl4 + 4 N2
CH3COOH + HNO3 = CH3COO + H3O + NO =>
5 CH3COOH + HNO3 = 5 CH3COO + 2 H3O + NO
C5H12(g) + O2(g) = CO2(g) + H2O =>
C5H12(g) + 8 O2(g) = 5 CO2(g) + 6 H2O
NaHCO3(s) + HC2H3O2(aq) = NaC2H3O2(s) + H2O(l) + CO2(g) =>
NaHCO3(s) + HC2H3O2(aq) = NaC2H3O2(s) + H2O(l) + CO2(g)
NaClO4 = O + NaCl =>
NaClO4 = 4 O + NaCl
Ce(NO3)3*6H2O + NH4OH = Ce(OH)4 + NH4NO3 + H2O =>
8 Ce(NO3)3*6H2O + 22 NH4OH = 8 Ce(OH)4 + 23 NH4NO3 + 41 H2O
Cr6 + O2 = CrO =>
Cr6 + 3 O2 = 6 CrO
Na2CO3(s) + CH3COOH(aq) = CH3CO2Na(aq) + CO2(g) + H2O(l) =>
Na2CO3(s) + 2 CH3COOH(aq) = 2 CH3CO2Na(aq) + CO2(g) + H2O(l)
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
CH3CH2COH + [Ag(NH3)2]OH = CH3CH2COOH + Ag + NH3 + H2O =>
CH3CH2COH + 2[Ag(NH3)2]OH = CH3CH2COOH + 2 Ag + 4 NH3 + H2O
N2 + NaOH = NH3 + NaO =>
N2 + 6 NaOH = 2 NH3 + 6 NaO
NaHCO3 + NaC6H5COO = C6H5COOH + Na2CO3 =>
NaHCO3 + NaC6H5COO = C6H5COOH + Na2CO3
CsI + Br2 = CsBr + I2 =>
2 CsI + Br2 = 2 CsBr + I2
(CH3CH2)2CH3NH2 + HCl = (CH3CH2)2CH3NH3Cl =>
(CH3CH2)2CH3NH2 + HCl = (CH3CH2)2CH3NH3Cl
Zn2S + O2 = ZnO + S2O2 =>
2 Zn2S + 3 O2 = 4 ZnO + S2O2
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Équations équilibrées sur01/08/25
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