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 Content hidden
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
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