For the reaction \( \mathrm{A} \rightarrow \mathrm{B} \), the rate constant \( \mathrm{k}_{\text...

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For the reaction \( \mathrm{A} \rightarrow \mathrm{B} \), the rate constant \( \mathrm{k}_{\text {(in }} \mathrm{s}^{-1} \) ) is given by \( \log \mathrm{k}=20.35-\frac{\left(2.47 \times 10^{3}\right)}{\mathrm{T}} \). The energy of activation in \( \mathrm{kJ} \mathrm{mol}^{-1} \) is . (Nearest integer) [Given: \( \left.\mathrm{R}=8.314 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}\right] \)
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