# Problem: At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.00285 s-1: 2Cl2O5 (g) → 2Cl2 (g) + 5O2 (g) Suppose a vessel contains Cl2O5 at a concentration of 0.640 M. Calculate the concentration of Cl2O5 in the vessel 280. seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits.

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At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.00285 s-1

2Cl2O5 (g) → 2Cl2 (g) + 5O2 (g)

Suppose a vessel contains Cl2O5 at a concentration of 0.640 M. Calculate the concentration of Cl2O5 in the vessel 280. seconds later. You may assume no other reaction is important.

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 Integrated Rate Law concept. You can view video lessons to learn Integrated Rate Law. Or if you need more Integrated Rate Law practice, you can also practice Integrated Rate Law practice problems.

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