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Radon has been the focus of much attention recently because it is often found in homes. Radon-222 emits a particles and has a half-life of 3.82 days. a What is the balanced equation for this process? 222 Rn → He+34 Th 86 222 Rn → He +248 Po 222 RnHe+36P 6Pb 86 He +224 Pb 222 Rn → 86 Submit 222 b How long does it take for a sample of Rn to decrease to 22.0% of its original activity?

Radon has been the focus of much attention recently because it is often found in homes. Radon-222 emits a particles and has a half-life of 3.82 days. a What is the balanced equation for this process? 222 Rn → He+34 Th 86 222 Rn → He +248 Po 222 RnHe+36P 6Pb 86 He +224 Pb 222 Rn → 86 Submit 222 b How long does it take for a sample of Rn to decrease to 22.0% of its original activity?

Chemistry
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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Radon has been the focus of much attention recently because it is often found in homes. Radon-222 emits a particles and has a half-life of 3.82 days. a What is the balanced equation for this process? 222 Rn → 2 He + 324 Th 86 90 222 Rn → 86 222 Rn → 86 222 Rn → 86 Submit He +218 Po 84 He+ 226 6Pb 88 He+ 224 Pb 82 b How long does it take for a sample of days 222 Rn to decrease to 22.0% of its original activity?
Transcribed Image Text:Radon has been the focus of much attention recently because it is often found in homes. Radon-222 emits a particles and has a half-life of 3.82 days. a What is the balanced equation for this process? 222 Rn → 2 He + 324 Th 86 90 222 Rn → 86 222 Rn → 86 222 Rn → 86 Submit He +218 Po 84 He+ 226 6Pb 88 He+ 224 Pb 82 b How long does it take for a sample of days 222 Rn to decrease to 22.0% of its original activity?
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