| Équations équilibrées la veille |
2 Fe + 2 HNO4 = Fe2O3 + 2 NO2 + H2O
Se + HNO3 + H2O = H2SeO3 + NO =>
3 Se + 4 HNO3 + H2O = 3 H2SeO3 + 4 NO
CH3CCCH3 + KMnO4 + H2O = CH3COOH + MnO2 + KOH =>
CH3CCCH3 + 2 KMnO4 + 2 H2O = 2 CH3COOH + 2 MnO2 + 2 KOH
Cu(OH)2 + C6H12O6 = Cu2O + C6H12O7 + H2O =>
2 Cu(OH)2 + C6H12O6 = Cu2O + C6H12O7 + 2 H2O
C6H4(OH)2 + FeCl3 = Fe(O2C6H5)3 + HCl =>
3 C6H4(OH)2 + FeCl3 = Fe(O2C6H5)3 + 3 HCl
Hl + Ca = HlCa =>
Hl + Ca = HlCa
Rb + NO3 = Rb2O + N2 =>
12 Rb + 2 NO3 = 6 Rb2O + N2
carbon + hydrogen + oxygen = C6H14O =>
12 C + 14 H2 + O2 = 2 C6H14O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HCOONa + Ag2O = Ag + NaHCO3 =>
HCOONa + Ag2O = 2 Ag + NaHCO3
OH{-} = O2 + {-} + H{+} =>
2 OH{-} = O2 + 4e + 2 H{+}
Zn(s) + AgNo3(aq) = Ag(s) + Zn(No3)2(aq) =>
Zn(s) + 2 AgNo3(aq) = 2 Ag(s) + Zn(No3)2(aq)
Pb(NO3)2 + Fe = Fe(NO3) + Pb =>
Pb(NO3)2 + 2 Fe = 2 Fe(NO3) + Pb
SI + HNO3 + HF = H2SIF6 + NO2 + H2O =>
SI + 4 HNO3 + 6 HF = H2SIF6 + 4 NO2 + 4 H2O
Na2CrO4 + HCl = H2O + Na2Cr2O7 + NaCl =>
2 Na2CrO4 + 2 HCl = H2O + Na2Cr2O7 + 2 NaCl
Na2CO3(aq) + HCl(aq) = Na2Cl + HCO3 =>
Na2CO3(aq) + HCl(aq) = Na2Cl + HCO3
NaHCO3 + HCl = NaCl + CO2 + H2O =>
NaHCO3 + HCl = NaCl + CO2 + H2O
Zn(OH)2 + C2H4O2 = Zn(C2H3O2)2 + H2O =>
Zn(OH)2 + 2 C2H4O2 = Zn(C2H3O2)2 + 2 H2O
BaCr2O7 = CrO3 + BaO =>
BaCr2O7 = 2 CrO3 + BaO
K2MnO4 + KI + H2O = MnO2 + I2 + KOH =>
K2MnO4 + 2 KI + 2 H2O = MnO2 + I2 + 4 KOH
FeI2 + NO2 + H2O = Fe(OH)2 + NO + I2 =>
FeI2 + NO2 + H2O = Fe(OH)2 + NO + I2
CH3CH(CH3)CH2CH(NH2)COOH + HNO3 = CH3CH(OH)COOH + N2 + H2O =>
5 CH3CH(CH3)CH2CH(NH2)COOH + 9 HNO3 = 10 CH3CH(OH)COOH + 7 N2 + 7 H2O
CsI + NH4OH = CsOH + NH4I =>
CsI + NH4OH = CsOH + NH4I
Sr(OH)2 + HCl = SrCl2 + H2O =>
Sr(OH)2 + 2 HCl = SrCl2 + 2 H2O
CuSO4 + KI = CuI2 + K2SO4 =>
CuSO4 + 2 KI = CuI2 + K2SO4
Fe(NO3)3(aq) + BaCl2(aq) = Ba(NO3)3(aq) + FeCl2(s) =>
Fe(NO3)3(aq) + BaCl2(aq) = Ba(NO3)3(aq) + FeCl2(s)
FeBr3 + HI = FeI2 + I2 + HBr =>
2 FeBr3 + 6 HI = 2 FeI2 + I2 + 6 HBr
Ni(C2H3O2)2(aq) + K3PO4(aq) = NiPO4(s) + K3(C2H3O2)2(s) =>
Ni(C2H3O2)2(aq) + K3PO4(aq) = NiPO4(s) + K3(C2H3O2)2(s)
FeCl2 + ClO2(g) = FeCl3 + O2 =>
FeCl2 + ClO2(g) = FeCl3 + O2
(CH2OHCH2)3N + HCl = (HOCH2CH2)3N*HCl =>
(CH2OHCH2)3N + HCl = (HOCH2CH2)3N*HCl
AlCl3 + NaOH = Al + NaCl + OH =>
AlCl3 + 3 NaOH = Al + 3 NaCl + 3 OH
Cu2 + AgNO3 = Cu(NO3)2 + Ag =>
Cu2 + 4 AgNO3 = 2 Cu(NO3)2 + 4 Ag
MgF2 = Mg + F2 =>
MgF2 = Mg + F2
NH4Cl + Ca(OH)2 = CaCl2 + H2O + NH3 =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 H2O + 2 NH3
H2O + CaCl2 = Ca(OH)2 + HCl =>
2 H2O + CaCl2 = Ca(OH)2 + 2 HCl
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Cl2 + C2H4 = C2H4Cl2 =>
Cl2 + C2H4 = C2H4Cl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NO + O2 = NO21 =>
NO + 10 O2 = NO21
NaHCO3 + Ag2SO4 = AgHCO3 + Na2SO4 =>
2 NaHCO3 + Ag2SO4 = 2 AgHCO3 + Na2SO4
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
K3[Mn(C2O4)3] + KOH = MnO(OH)2 + K2C2O4 + MnC2O4 + H2O =>
2 K3[Mn(C2O4)3] + 4 KOH = MnO(OH)2 + 5 K2C2O4 + MnC2O4 + H2O
K + HCl = KCl + H2 =>
2 K + 2 HCl = 2 KCl + H2
Cu + Al2(SO4)3 = CuSO4 + Al =>
3 Cu + Al2(SO4)3 = 3 CuSO4 + 2 Al
Ni + Ag2SO4 = Ag + NiSO4 =>
Ni + Ag2SO4 = 2 Ag + NiSO4
I{-} + Cr2O72{-} + H{+} = Cr3{+} + IO{-} + H2O =>
427 I{-} + 6 Cr2O72{-} + 10 H{+} = 4 Cr3{+} + 427 IO{-} + 5 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
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Équations équilibrées sur01/07/25
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