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Science-Related Homework Help Physics Topic started by: Northa on Feb 27, 2017



Title: A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required to ...
Post by: Northa on Feb 27, 2017
A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required to give an initial activity of 6.0 μCi? 1 Ci = 3.7 × 1010 Bq.
A) 5.8 × 109 nuclei
B) 8.5 × 108 nuclei
C) 6.3 × 108 nuclei
D) 3.2 × 109 nuclei
E) 2.4 × 109 nuclei


Title: Re: A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required ...
Post by: mtown88 on Feb 27, 2017
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Title: Re: A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required to ...
Post by: Northa on Jul 12, 2017
This helps so much. I'll try to figure out the rest on my own now


Title: Re: A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required ...
Post by: yagayeeta on Dec 15, 2019
thanks for the info


Title: Re: A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required ...
Post by: SkyMermaid Fly on May 18, 2020
I hope this explains it!


Title: Re: A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required ...
Post by: Philemon Tun on Jun 11, 2020
thank you


Title: Re: A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required ...
Post by: Hung Ho on Nov 19, 2020
thank you


Title: Re: A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required ...
Post by: Nicholas Sun on Nov 23, 2020
thanks


Title: Re: A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required ...
Post by: lauren cohalan on May 30, 2021
Thanks