Home
Class 12
CHEMISTRY
Find Delta(f)H of HCl (g) if bond energi...

Find `Delta_(f)H` of HCl (g) if bond energies of `H_(2), Cl_(2)` and HCl are 104, 58, 103 kcal/mol respectively.

Text Solution

AI Generated Solution

To find the standard enthalpy of formation (Δ_fH) of HCl (g), we can use the bond energies of H₂, Cl₂, and HCl. The bond energies are given as follows: - Bond energy of H₂ = 104 kcal/mol - Bond energy of Cl₂ = 58 kcal/mol - Bond energy of HCl = 103 kcal/mol ### Step-by-Step Solution: ...
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    VMC MODULES ENGLISH|Exercise SOLVED EXAMPLES|19 Videos

  • CHEMICAL THERMODYNAMICS

    VMC MODULES ENGLISH|Exercise PRACTICE EXERCISE|22 Videos

  • CHEMICAL KINETICS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|52 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    VMC MODULES ENGLISH|Exercise JEE ADVANCE (ARCHIVE)|30 Videos

Similar Questions

Explore conceptually related problems

The bond dissociation energies of gaseous H_(2),Cl_(2) , and HCl are 100, 50 , and 100 kcal mol^(-1) , respectively. Calculate the enthalpy of formation of HCl(g) .

The bond dissociation energy of gaseous H_(2),Cl_(2) and HCl are 104,58 and 103 kcal mol^(-1) respecitvely. Calculate the enthalpy of formation for HCl gas.

Calculate the enthalpy change for the reaction H_2(g) + 1/2 O_2(g) to H_2O (g) if the bond energies of H - H,O = O and O - H bonds are 104, 118 and 11 kcal mol^(-1) respectivley.

Calculate the enthalpy of the following reaction: H_(2)C =CH_(2)(g) +H_(2)(g) rarr CH_(3)-CH_(3)(g) The bond energies of C-H, C-C,C=C , and H-H are 99,83,147 ,and 104kcal respectively.

Find DeltaH of the following reaction: OF_(2)(g) +H_(2)O(g) rarr O_(2)(g)+2HF (g) , average bond energies of O -F, O-H, O =O , and H - F are 44,111, 118 , and 135 kcal mol^(-1) , respectively.

Heat of formation of 2 mol of NH_(3)(g) is =90 kJ , bond energies of H-H and N-H bonds are 435kJ and 390 kJ mol^(-1) , respectively. The value of the bond enegry of N-=N will be

The heat of formation of ethane is -19.46 kcal . Bond enegries of H-H, C -H and C- C bonds are 104.18, 99.0 and 80.0 kcal , respectively. Calculate the heat of atomisation of graphite.

The standard heat of formation of at 298 K for C Cl_(4)(g), H_(2)O(g), CO_(2)(g) and HCI(g) are -25.5, -57.8, -94.1 and -22.1 kcal mol^(-1) respectively. Calculate Delta_(r)H^(Theta) for the reaction C Cl_(4)(g)+2H_(2)O(g) rarr CO_(2)(g)+4HCl(g) Hint : Delta_(r)H^(Theta) = sum Delta_(f)H_("Products")^(Theta)- sum Delta_(f)H_("Reactants")^(Theta)

Bond dissociation enthalpy of H_(2) , Cl_(2) and HCl are 434, 242 and 431KJmol^(-1) respectively. Enthalpy of formation of HCl is

Bond energies of (H - H), (O = O) and (O - H) are 105, 120 and 220 kcal/mol respectively, then magnitude of Delta H in the reaction in kcal is : 2H_(2)(g) + O_(2)(g) rarr 2H_(2)O(l)