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For the reaction PCl(5((g))) rarr PCl(3(...

For the reaction `PCl_(5_((g))) rarr PCl_(3_((g)))+Cl_(2_((g)))`

A

`DeltaHgtDeltaU`

B

DeltaHltDeltaU`

C

DeltaH=DeltaU`

D

Un predictable

Text Solution

Verified by Experts

The correct Answer is:
A
`(DeltaH=DeltaU+DeltangRT)`
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SURA PUBLICATION-THERMODYNAMICS -ADDITIONAL QUESTIONS
  1. Explain extensive and intensive properties.

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  2. Which of the following is a state function ?

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  3. For the reaction PCl(5((g))) rarr PCl(3((g)))+Cl(2((g)))

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  4. Pick out true statements (s) (i) q and w are path functions (ii) ...

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  5. Identify the suitable conditions (s) which helps the adiabatic process...

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  6. ………….is an intensive property .

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  7. State the first law of thermodynamics .

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  8. DeltaH^(@) " of " H(2)O((l)) is ………… KJ/mol.

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  9. Heat of combustion of methane is ……….. KJ/ mol .

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  10. The SI unit of Molar heat capacity is :

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  11. Molar heat capacity at constant volume is …………….

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  12. The relation between C(P) and C(V) is …………

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  13. The branch of science associated with determining the changes in energ...

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  14. Heat absorbed at constant volume is measured in ……….. Calorimeter.

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  15. For an exothermic reaction DeltaH(r) value will be ……………

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  16. The heat of neutralisation of strong acid and strong base is …………..

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  17. The SI unit of entropy is ………….

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  18. The change in enthalpy when one mole of C("diamond") " to " C ("graph...

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  19. Hess's law can be applied to calculate ……….of reactions.

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  20. Change in enthalpy is

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