Isotope of uranium 234U decays to thorium by the alpha decay with the half-life of 7.73 x 1012 s. How much of uranium-234 will remain in a 50.0 ng sample after 500,000 years (for simplicity consider calendar years of 365 days)? O 24.5 ng

Isotope of uranium 234U decays to thorium by the alpha decay with the half-life of 7.73 x 1012 s. How much of uranium-234 will remain in a 50.0 ng sample after 500,000 years (for simplicity consider calendar years of 365 days)? O 24.5 ng

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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Writing and Balancing Nuclear Equations

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Question

Isotope of uranium 234U decays to thorium by the alpha decay with the half-life of 7.73 x 1012 s.
How much of uranium-234 will remain in a 50.0 ng sample after 500,000 years (for simplicity
consider calendar years of 365 days)?
O 24.5 ng
O 12.2 ng
O 0.243 ng
O 70.2 ng
O 6.50 ng

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