# Problem: A reaction was experimentally determined to follow the rate law, Rate = k[A]  2 where k = 0.319 s-1M-1. Starting with [A] o = 0.500 M, how many seconds will it take for [A]  t = 0.250 M?

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###### Problem Details

A reaction was experimentally determined to follow the rate law, Rate = k[A]  2 where k = 0.319 s-1M-1. Starting with [A] o = 0.500 M, how many seconds will it take for [A]  t = 0.250 M?

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.

What is the difficulty of this problem?

Our tutors rated the difficulty ofA reaction was experimentally determined to follow the rate ...as medium difficulty.

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What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Gustin's class at UW-MADISON.