The half-life of the radioactive element unobtanium-53 is 5 seconds. If 176 grams of unobtanium-53 are initially present, how many grams are present after 5 seconds? 10 seconds? 15 seconds? 20 seconds? 25 seconds? The amount left after 5 seconds is grams, The amount left after 10 seconds is grams. The amount left after 15 seconds is grams The amount left after 20 seconds is grams. The amount left after 25 seconds is grams. (Round to one decimal place.)

The half-life of the radioactive element unobtanium-53 is 5 seconds. If 176 grams of unobtanium-53 are initially present, how many grams are present after 5 seconds? 10 seconds? 15 seconds? 20 seconds? 25 seconds? The amount left after 5 seconds is grams, The amount left after 10 seconds is grams. The amount left after 15 seconds is grams The amount left after 20 seconds is grams. The amount left after 25 seconds is grams. (Round to one decimal place.)

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter29: Nuclear Physics

Section: Chapter Questions

Problem 19P

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