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For which of the following reaction, cha...

For which of the following reaction, change of enthalpy equals the change in internal energy ?

A

`H_(2) + I_(2) to 2HI`

B

`PCl_(5) to PCl_(3) + Cl_(2)`

C

`2H_(2)O_(2) to 2H_(2)O + O_(2)`

D

`C + O_(2) to CO_(2)`

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The correct Answer is:
A, D
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FIITJEE-THERMODYNAMICS AND THERMOCHEMISTRY -ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-II
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  2. The criteria for spontaneity of a process is/are

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  3. For which of the following reaction, change of enthalpy equals the cha...

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  4. Identify the intensive quantity from the following

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  6. The following is (are) endothermic reaction (s)

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  7. For the adiabatic expansion of an ideal gas

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  8. In which of the following entropy increases?

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  9. Indicate in which case/cases the spontaneity of a change is favoured w...

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  10. Endothermic reactions, having DeltaS = +ve masy be spontaneous if

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  11. For gaseous reactions, if DeltaH is the change in enthalpy and DeltaU ...

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  12. Which of the following statements is/are incorrect?

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  13. The open system (s) is (are) which :

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  14. In a reaction DeltaH and DeltaS both are more than zero. In which of t...

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  15. If W is work doone by the system (-ve), the mathematical representatio...

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  16. In which reaction(s), DeltaS in negative?

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  17. The heat evolved in the combustion of benzene is given by C(6)H(6)(l...

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  18. The heat of neutralization of a strong acid by a strong base is a cons...

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  19. The enthalpy of formation of UF(g) is 22 kcal "mol"^(-1) and that U(g)...

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  20. When a liquid solidifies, generally there is

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