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Question

The equation $k = (6.5 \times 10^{12} s^{- 1}) e^{- 26000 K / T}$ is followed for the decomposition of compound A. The activation energy for the reaction is ______ $k J m o l^{- 1}$ . [nearest integer]
(Given : $R = 8.314 J K^{- 1} m o l^{- 1}$ ]

216.00

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216

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

216.0

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

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Solution

$k = A e^{\frac{- E_{a}}{R T}}$

$\frac{E_{a}}{R T} = \frac{2600}{T}$

$E_{a} = 26000 \times 8.314$
$= 216164 J$
$= 216 k J$

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