Consider the following initial rate data (at 289 K) for the decomposition of a s

Question

Consider the following initial rate data (at 289 K) for the decomposition of a substrate (substrate 1) which decomposes to product 1 and product 2:

Consider the following initial rate data (at 289 K) for the decomposition of a substrate (substrate 1) which decomposes to product 1 and product 2: a wchdecomposes to produec? 2 and prodie [Substrate 1] Initial Rate 0.1 0.2 0.3 (M/s) 0.801 0.801 0.801 Determine the half-life for the decomposition of substrate 1 when the initial concentration of the substrate is 2.14 M Submit Answer Tries 0/3

Explanation / Answer

from table we can see the rate is not changing when concentration of substrate 1 is changing

So, this is zero order reaction

So,

rate = k

= 0.801 M/s

Given:

k = 0.801 M/s

use relation between rate constant and half life of 0 order reaction

t1/2 = [A]o/(2*k)

= 2.14/(2*0.801)

= 1.34 s

Answer: 1.34 s

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