aelivereas• UCI has a 137Cs source about 4,000 Ci now. It was new in 1969. Howactive was it when new?

Given: Half life of 137Cs = 30.17 years Activity of 137Cs now (2021) = 4,000 Ci It was new in 1969…

Answered: • UCI has a 137CS source about 4,000 Ci…

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter13: Gases

Section: Chapter Questions

Problem 117A

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• UCI has a 137CS source about 4,000 Ci now. It was new in 1969. How active was it when new?