Problem: Consider the data presented below. Time  (s) 04080120160Moles of A0.1000.0670.0450.0300.020Determine whether the reaction is first order or second order.

FREE Expert Solution

We’re being asked to determine a reaction is first order or second order based on the data given.

Recall the first order and second order integrated rate law and their graph:

The integrated rate law for a first-order reaction is as follows:



[A]t = concentration at time t
k = rate constant
t = time
[A]0 = initial concentration

The plot of ln [A] vs. t is linear which shows first-order reaction:

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Problem Details
Consider the data presented below.

 Time  (s04080120160
Moles of A0.1000.0670.0450.0300.020

Determine whether the reaction is first order or second order.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Identifying Reaction Order concept. If you need more Identifying Reaction Order practice, you can also practice Identifying Reaction Order practice problems.

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Based on our data, we think this problem is relevant for Professor Kadish's class at UH.