A 34% Fri 11:53 PM Khaleed Alston a E Chrome File Edit View History Bookmarks Pe

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A 34% Fri 11:53 PM Khaleed Alston a E Chrome File Edit View History Bookmarks People Window Help Khaleed www.saplinglearning.co x M- www.saplinglearning.co x M Inbox khaleed.alstone x NY Determine the rate law x DRate Law for a Mechanis x LaGuardia Community C X C www.saplinglearning.com/ibiscms/mod/ibis/view.php?id 179974 Apps Bookmarks nutrition hing Apt hunting Ch 3rd Grade B Tempeh Recipes Fc Oatmeal food tab 33 Amazing Apartme Other Bookmarks Question 13 of 21 100 100 sapling leaming The activation energy for a particular reaction is E 15.60 kJ. What percentage of the molecules are at or above the activation energy at 500.0 K? 10 Number 100 13 90 95 95 17 18 100 19 20 92 A Previous 3 Give Up & View Solution e Check Answer Next d Ext Hin 100

Explanation / Answer

The solution is as given here.

The fraction of molecules that have enough energy or activativation energy to form product = e^-Ea/RT

Thus, we have = e^(-15.60 x 1000/8.314 x 500) = 0.0235 x 100 = 2.35 %

So we will have 2.35 % of molecules are above the activation energy

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