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Which of the following values of DeltafH...

Which of the following values of `Delta_fH` represents the least stable product?

A

`-229.6kJ`

B

`-76kJ`

C

`+12.1kJ`

D

`+102.6kJ`

Text Solution

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CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. The enthalpies of elements in their standard states are taken as

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  2. The standard heat of formation of diamond is

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  3. Which of the following values of DeltafH represents the least stable p...

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  4. The enthalpies of formation of N2O and NO at 298 K are 82 and 90 kJ mo...

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  5. The latent heat of vaporization of a liquid at 500 K at1atm pressure i...

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  6. For a gaseous reaction involving complete combustion of isobutane,

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  7. The difference between DeltaH and DeltaU for the combustion of methane...

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  8. Enthalpy of combustion of carbon is -395 kj.The amount of carbon neede...

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  9. The heats of combustion of hydrogen, carbon monoxide and methane are -...

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  10. The decreasing order of calorific values is

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  11. The heat evolved in the combustion of glucose (C6H(12)O6) is given by ...

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  12. A person requires A kJ of energy daily. If the heat of combustion of c...

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

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

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

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

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

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

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

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

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