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Équations chimiques équilibrées sur08/03/24

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C6H5NO2 + NaOH = C6H5OH + NaNO2 =>
C6H5NO2 + NaOH = C6H5OH + NaNO2

KNO3 + Mg = MgO + K + N2 =>
2 KNO3 + 6 Mg = 6 MgO + 2 K + N2

H3PO4(aq) + Ba(s) = Ba3(PO4)2(aq) + H2(g) =>
2 H3PO4(aq) + 3 Ba(s) = Ba3(PO4)2(aq) + 3 H2(g)

CO2 + H2O = C2OH42 + O2 =>
2 CO2 + 21 H2O = C2OH42 + 12 O2

MnO4{-} + H{+} + H3AsO3 = Mn{2+} + H3AsO4 + H2O =>
2 MnO4{-} + 6 H{+} + 5 H3AsO3 = 2 Mn{2+} + 5 H3AsO4 + 3 H2O

FeCr2O4 + K2CO3 + O2 = K2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O4 + 8 K2CO3 + 7 O2 = 8 K2CrO4 + 2 Fe2O3 + 8 CO2

C6H5NO3 + O2 = CO2 + H2O + NO3 =>
4 C6H5NO3 + 29 O2 = 24 CO2 + 10 H2O + 4 NO3

KMnO4 + H2SO3 = H2SO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 H2SO3 = 2 H2SO4 + 2 MnSO4 + K2SO4 + 3 H2O

H2S2O3 + Pb(NO3)2 = PbS2O3 + HNO3 =>
H2S2O3 + Pb(NO3)2 = PbS2O3 + 2 HNO3

AgNO3(aq) + Pb(C2H3O2)2(aq) = Ag(C2H3O2)(aq) + Pb(NO3)2(aq) =>
2 AgNO3(aq) + Pb(C2H3O2)2(aq) = 2 Ag(C2H3O2)(aq) + Pb(NO3)2(aq)

HNO2 + H2O = H3O + NO3 =>
HNO2 + 4 H2O = 3 H3O + NO3

Co(OH)2 + H3O = H2O + Co =>
Co(OH)2 + 2 H3O = 4 H2O + Co

BrO2{-}(aq) = Br{-}(aq) + BrO3{-}(aq) =>
3 BrO2{-}(aq) = Br{-}(aq) + 2 BrO3{-}(aq)

Al2(SO4)3 + CaI2 = AlI3 + CaSO4 =>
Al2(SO4)3 + 3 CaI2 = 2 AlI3 + 3 CaSO4

Zinc + Sulfur = ZnS =>
Zn + S = ZnS

C2H5OH + KMnO4 + H2SO4 = C3H6O2 + K2SO4 + MnSO4 + H2O =>
15 C2H5OH + 8 KMnO4 + 12 H2SO4 = 10 C3H6O2 + 4 K2SO4 + 8 MnSO4 + 27 H2O

S + CO = SO2 + C =>
S + 2 CO = SO2 + 2 C

C6H5Cl + CH3OH = C6H5CH2OH + HCl =>
C6H5Cl + CH3OH = C6H5CH2OH + HCl

N2O5 + NaOH = NOH + Na2O5 =>
N2O5 + 2 NaOH = 2 NOH + Na2O5

Si + NaOH + H2O = Na2SiO3 + H =>
Si + 2 NaOH + H2O = Na2SiO3 + 4 H

H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O

KClO3 + C6H5COONa = HCl + K2O + H2O + CO + NaCl =>
8 KClO3 + 3 C6H5COONa = 5 HCl + 4 K2O + 5 H2O + 21 CO + 3 NaCl

HBrO = H2 + Br2 + O2 =>
2 HBrO = H2 + Br2 + O2

Cu(NO3)2 + Na2Co3 = CuCo3 + Na2(NO3)2 =>
Cu(NO3)2 + Na2Co3 = CuCo3 + Na2(NO3)2

HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O

C7H14 + O = CO + H2O =>
C7H14 + 14 O = 7 CO + 7 H2O

AlCl3(s) + AgNO3(aq) = AgCl(s) + Al(NO3)3(aq) =>
AlCl3(s) + 3 AgNO3(aq) = 3 AgCl(s) + Al(NO3)3(aq)

KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O

N2 + H2 + I2 = NH4I =>
N2 + 4 H2 + I2 = 2 NH4I

HAuCl4 + N2H4 + H2O = Au + N2H5Cl + HClO2 =>
4 HAuCl4 + 13 N2H4 + 6 H2O = 4 Au + 13 N2H5Cl + 3 HClO2

P2O3 + HSO4 + H2O = SO2 + H3PO4 =>
3 P2O3 + 4 HSO4 + 7 H2O = 4 SO2 + 6 H3PO4

C7H6O3 + C2H5OH = C10H12O3 + H2O =>
2 C7H6O3 + 3 C2H5OH = 2 C10H12O3 + 3 H2O

CuSO4 + NH4OH = Cu(NH3)SO4 + H2O =>
CuSO4 + NH4OH = Cu(NH3)SO4 + H2O

CH3CH2OH + CUO = CH3COOH + H2 + CU =>
CH3CH2OH + CUO = CH3COOH + H2 + CU

HNO3 + NH3 = H2O + N2 =>
3 HNO3 + 5 NH3 = 9 H2O + 4 N2

NaCl + AlBr3 = AlCl3 + NaBr =>
3 NaCl + AlBr3 = AlCl3 + 3 NaBr

Pb(OH)2 + HClO = Pb(ClO)2 + H2O =>
Pb(OH)2 + 2 HClO = Pb(ClO)2 + 2 H2O

C6H5C3H5 + KMnO4 + H2O = C6H5CH(OH)CH2OH + KOH + MnO2 =>
24 C6H5C3H5 + 26 KMnO4 + 28 H2O = 27 C6H5CH(OH)CH2OH + 26 KOH + 26 MnO2

NH3 + CH3CO2H = CH3CO2 + NH4 =>
NH3 + CH3CO2H = CH3CO2 + NH4

C7H6O3 + NaHCO3 = C7H5O3Na + CO2 + H2O =>
C7H6O3 + NaHCO3 = C7H5O3Na + CO2 + H2O

C7H16 = C7H14 + H2 =>
C7H16 = C7H14 + H2

Na2CO3(aq) + HC2H3O2(aq) = NaC2H3O2(aq) + H2O(l) + CO2(g) =>
Na2CO3(aq) + 2 HC2H3O2(aq) = 2 NaC2H3O2(aq) + H2O(l) + CO2(g)

C12H26O + O2 = CO2 + H2O =>
C12H26O + 18 O2 = 12 CO2 + 13 H2O

Ca(HCO3)2 + Ba(OH)2 = BaCO3 + Ca(OH)2 + H2O =>
Ca(HCO3)2 + 2 Ba(OH)2 = 2 BaCO3 + Ca(OH)2 + 2 H2O

N2O5 + NaOH = NOH + Na2O5 =>
N2O5 + 2 NaOH = 2 NOH + Na2O5

KClO3 + C6H5COONa = HCl + K2O + H2O + CO + NaCl =>
8 KClO3 + 3 C6H5COONa = 5 HCl + 4 K2O + 5 H2O + 21 CO + 3 NaCl

Al + H{+} + (BrO4){-} = Al{3+} + Br2 + H2O =>
14 Al + 48 H{+} + 6(BrO4){-} = 14 Al{3+} + 3 Br2 + 24 H2O

HF + CH3COO = F + CH3COOH =>
HF + CH3COO = F + CH3COOH

C7H7NO2 + O2 = CO2 + H2O + NH3 =>
C7H7NO2 + 7 O2 = 7 CO2 + 2 H2O + NH3

La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3

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