What will be the concentration after 465 s? Chrome File Edit View History Bookma

Question

What will be the concentration after 465 s?

Chrome File Edit View History Bookmarks People Window Help -100%-), Wed 5:36 PM a E CUNY Borough of Manhat www.saplinglearning.com/x Emmily fi Dwww.saplinglearning.com/ibiscms/mod/ibis/view.php?id-2020658 Map MG Late subm sapling leaming The rate constant for the reaction is 0.620 M1 s1 at 200 °C. A products Points P Grade Cat Descripti Policies: If the initial concentration of A is 0.00930 M, what will be the concentration after 465 s? Number You can You can assignm You can you get i You lose in yourq answer. For multi on the n Help PreviousCheck Answer Next Exit Hint

Explanation / Answer

Assume this is elementary reaciton, therefore it is first order reaction

[A] = [A0]*exp(-kt)

K = 0.620

[A0] = 0.0093

t = 465s

Find concnetration

substitute here

[A] = [A0]*exp(-kt)

[A] =0.0093*exp(-0.62*465)

[A] = 5.772*10^-128 ... so practically everything is reacted

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