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  • The rate constant of reaction is expressed as follow <img alt="\mathrm{K=A e^{\frac{-1000}{T}}}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmathrm%7BK%3DA%20e%5E%7B%5Cfrac%7B-1000

The rate constant of reaction is expressed as follow \mathrm{K=A e^{\frac{-1000}{T}}}. What will be the activation energy (\mathrm{E_{a}}) of the reaction:

Option: 1

1000 kJ/mol


Option: 2

1 kJ/mol


Option: 3

8.3 J/mol


Option: 4

8.3 kJ/mol


Answers (1)

best_answer

\begin{aligned} & \mathrm{K=A e^{-E a / R T}} \\ \text{given}\\& \mathrm{K=A e^{-1000 / T}} \end{aligned}

\mathrm{\therefore \; \frac{-E_{a_1}}{R}=-1000}

\mathrm{E_a=1000 \times 8.314=8.3 \mathrm{~kJ} / \mathrm{mol} .}

Posted by

avinash.dongre

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