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.)
Modern Physics
3rd Edition
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Chapter13: Nuclear Structure
Section: Chapter Questions
Problem 39P
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