The time required to convert to a fraction of 0.7 for a first order reaction is ____(a) t0.7 = \(\frac{(0.7)}{C_{A0} k}\)(b) t0.7 = \(\frac{(-0.7)}{C_{A0} k}\)(c) t0.7 = \(\frac{(0.3)}{C_{A0} k}\)(d) t0.7 = \(\frac{(-0.3)}{C_{A0} k}\)The question was asked in an online interview.Enquiry is from Rate Data Collection & Analysis topic in division Collection and Analysis of Rate Data of Chemical Reaction Engineering

The time required to convert to a fraction of 0.7 for a first order re

1.	The time required to convert to a fraction of 0.7 for a first order reaction is ____(a) t0.7 = \(\frac{(0.7)}{C_{A0} k}\)(b) t0.7 = \(\frac{(-0.7)}{C_{A0} k}\)(c) t0.7 = \(\frac{(0.3)}{C_{A0} k}\)(d) t0.7 = \(\frac{(-0.3)}{C_{A0} k}\)The question was asked in an online interview.Enquiry is from Rate Data Collection & Analysis topic in division Collection and Analysis of Rate Data of Chemical Reaction Engineering
Answer» The correct choice is (d) t0.7 = \(\frac{(-0.3)}{C_{A0} k}\) The explanation is: The TIME for converting to any FRACTION, F is, TF = \(\frac{C_{A0}^{1-n}(F^{n-1}-1)}{(n-1)k}.\) At F = 0.7, t0.7 = \(\frac{C_{A0}^{1-2}(0.7^1- 1)}{k}.\)

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The time required to convert to a fraction of 0.7 for a first order reaction is ____(a) t0.7 = \(\frac{(0.7)}{C_{A0} k}\)(b) t0.7 = \(\frac{(-0.7)}{C_{A0} k}\)(c) t0.7 = \(\frac{(0.3)}{C_{A0} k}\)(d) t0.7 = \(\frac{(-0.3)}{C_{A0} k}\)The question was asked in an online interview.Enquiry is from Rate Data Collection & Analysis topic in division Collection and Analysis of Rate Data of Chemical Reaction Engineering
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