A chemical is sprayed onto a lawn at a rate of 0.90 kg active ingredient per hectare. The chemical has a half-life of 30 days at 20C. A storm event occurs 15 days after application and causes 3.5% of the material present in the 25 hectare field to be lost (total losses). If average temperatures during the 15-day period were 17C, how much material (mass) was lost during the storm?
A chemical is sprayed onto a lawn at a rate of 0.90 kg active ingredient per hectare. The chemical has a half-life of 30 days at 20C. A storm event occurs 15 days after application and causes 3.5% of the material present in the 25 hectare field to be lost (total losses). If average temperatures during the 15-day period were 17C, how much material (mass) was lost during the storm?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A chemical is sprayed onto a lawn at a rate of 0.90 kg active ingredient per hectare. The chemical has a half-life of 30 days at 20C. A storm event occurs 15 days after application and causes 3.5% of the material present in the 25 hectare field to be lost (total losses). If average temperatures during the 15-day period were 17C, how much material (mass) was lost during the storm?
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