question_answer

A sample of milk splits after 60 min. at \[300\text{ }K\]and after 40 min. at \[400\text{ }K\]when the population of lactobacillus acidophilus in it doubles. The activation energy (in kJ/mol) for this process is closest to ___________ . (Given, \[R=8.3\,\,J\,\,mo{{l}^{-1}}{{K}^{-1}},\] In \[\left( \frac{2}{3} \right)=0.4,\,\,{{e}^{-3}}=4.0\]) [JEE MAIN Held on 09-01-2020 Evening]

Answer:

3.98