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Author Question: A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope. ... (Read 63 times)

LaDunn

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on: Jul 28, 2018
A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope. The count rate 24 minutes later is 1,000 counts per minute. The half life of the radioisotope is __________.
 Fill in the blank(s) with correct word

Question 2

The half life of uranium-232 is 70 years. The time for 3/4 of a sample of uranium-232 to decay is __________.
 Fill in the blank(s) with correct word


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ryansturges

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Reply #1 on: Jul 28, 2018
Answer to Question 1

8 minutes

Answer to Question 2

140 years


LaDunn

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

amcvicar

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Reply 3 on: Yesterday
Gracias!

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