Chemistry of the Environment The first-order rate constant for the decomposition of a certain insecticide in water at 12°C is 1.45 yr¹. A quantity of this insecticide is washed into a lake on April 13, leading to a concentration of 5.0 ppb (parts per billion) of water. Assume that the effective temperature of the lake is 12°C and density of lake water = 1g/cm³. 1. What is the concentration of the insecticide on April 13 of the following year? 2. How long will it take for the concentration of insecticide to drop to 3.0 x10 "g/L?

Chemistry of the Environment The first-order rate constant for the decomposition of a certain insecticide in water at 12°C is 1.45 yr¹. A quantity of this insecticide is washed into a lake on April 13, leading to a concentration of 5.0 ppb (parts per billion) of water. Assume that the effective temperature of the lake is 12°C and density of lake water = 1g/cm³. 1. What is the concentration of the insecticide on April 13 of the following year? 2. How long will it take for the concentration of insecticide to drop to 3.0 x10 "g/L?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 41QRT

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