show complete solution The radioactive isotope of Lead (Pb-209) decays at a rate proportional to the amount present at time, t, and has a half-life of 3.3 hours. If 2 grams of this isotope is present initially, how long will it take for 80% of the Lead to decay? use: dQ ∞ Q dt ка SdQ = ksat clt dQ dt. In Q = kt + C₁ kt + Ci Q = e Q = ekt Ce kt CI

show complete solution The radioactive isotope of Lead (Pb-209) decays at a rate proportional to the amount present at time, t, and has a half-life of 3.3 hours. If 2 grams of this isotope is present initially, how long will it take for 80% of the Lead to decay? use: dQ ∞ Q dt ка SdQ = ksat clt dQ dt. In Q = kt + C₁ kt + Ci Q = e Q = ekt Ce kt CI

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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