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  • Calculate  (in kJ/mol) for the following reaction a

Calculate \mathrm{\Delta G_{r}^0} (in kJ/mol) for the following reaction at 25oC

\mathrm{\frac{3}{2} O_{2}(g)\rightarrow O_{3}\left ( g \right )} 

Given: Value of Kp for this reaction is 2.5\times 10^{-30}

Option: 1

-168.9


Option: 2

168.9


Option: 3

1.68


Option: 4

-1.68


Answers (1)

best_answer

As we learnt,

The value of \mathrm{\Delta G _{r}^0=-RT\; ln\; \left ( Kp \right )} 

\mathrm{\Delta G_{r}^0=-8.314\times 298\times ln [ 2.5 \times 10^{-30 }]}

\mathrm{\Delta G _{r}^0=168874.43\; J/mol}

             \mathrm{=168.9\; kJ/mol}

 

Posted by

Gaurav

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