In the hydrolysis reaction of butyl chloride, | vedclass

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Question

(A) The instantaneous rate $r_{ins}$ at a specific time is given by the negative slope of the tangent to the concentration-time graph at that point. $

Vedclass · Accepted Answer

$5.125 	imes 10^{-5} \ mol \ L^{-1} \ s^{-1}$

Vedclass · Answer

(A) The instantaneous rate $r_{ins}$ at a specific time is given by the negative slope of the tangent to the concentration-time graph at that point. $r_{ins} = -\frac{d[R]}{dt} = -\frac{[R]_2 - [R]_1}{t_2 - t_1}$ Given: $t_2 = 800 \ s, t_1 = 400 \ s$ $[R]_2 = 0.0165 \ mol \ L^{-1}, [R]_1 = 0.037 \ mol \ L^{-1}$ $dt = 800 - 400 = 400 \ s$ $d[R] = 0.0165 - 0.037 = -0.0205 \ mol \ L^{-1}$ $r_{ins} = -\left(\frac{-0.0205 \ mol \ L^{-1}}{400 \ s}ight)$ $r_{ins} = 5.125 	imes 10^{-5} \ mol \ L^{-1} \ s^{-1}$

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