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  2. Find the mean lifetime and decay constant for 57Co. If the activity of a 57Co radiation source is now 2.00 mCi, how many 57Co nuclei does the source contain?

Find the mean lifetime and decay constant for 57Co. If the activity of a 57Co radiation source is now 2.00 mCi, how many 57Co nuclei does the source contain?

Posted by:Shadrack Posted on:May 3,2023
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ASSIGNMENT The force constant for the internuclear force in a hydrogen molecule 1H22 is kʹ = 576 N/m. A hydrogen atom has mass 1.67 x 10-27 kg.
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