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The bond dissodation energies of gaseous...

The bond dissodation energies of gaseous `H_2, Cl_2` and HCl are 104, 58 and 103kcal respectively.The enthalpy of formation of HCI gas would be

A

A. `-44 kcal`

B

B. `-88 kcal`

C

C. `-22 kcal`

D

D. `-11 kcal`

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CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. A person requires A kJ of energy daily. If the heat of combustion of c...

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  2. A person submits to a diet of 9,500 kj per day and expends energy in a...

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  3. The bond dissodation energies of gaseous H2, Cl2 and HCl are 104, 58 a...

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  4. Given thebond energiesof N=N, H-H,and N-H bonds are 945, 436 and 391 k...

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  5. The bond energy of an O-H bond is109 kcal mol^(-1). When a mole of wat...

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  6. The mutual heat of neutralisation of 40g NaOH and 60g CH3COOH will be

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  7. When 10 ml NaOH is added to 10 ml HCl,the temperature rises by 3^@C. I...

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  8. The heat of neutralization of a strong acid and a strong base is-60 kj...

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  9. The enthalpy of neutralization of NaOH with HCl is-57.32 kJ while with...

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  10. The work done during the process when 1 mol of gas is allowed to expan...

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  11. Which of the following is an extensive property?

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  12. The enthalpy of formation for all elements in their standard state is

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  13. In which of the following entropy of the system decreases?

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  14. Give the mathematical expression of first low of thermodynamics:

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  15. What is the second law of thermodynamics ?

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  16. What is enthalpy of the fusion?

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  17. In the reaction, H2 + Cl2 rarr 2HCl DeltaH =-184 kJ, if 2 moles of H2 ...

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  18. 22 g of CO2 are compressed isothermally and reversibly at 298 K fromin...

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  19. A System absorbs 520J of heat and perform work of 210J calculate the c...

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  20. 38.55kjof heat is absorbed when 6.0 g of 02 react with C1F according t...

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