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In the following diagrams, A represents a radioactive isotope that decays into a new isotope, X. ...

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In the following diagrams, A represents a radioactive isotope that decays into a new isotope, X. ...

In the following diagrams, A represents a radioactive isotope that decays into a new isotope, X. Each circle represents 1 mmol of atoms.

t = 0:

t = 25.0 s:

Over the first 25.0 s, what is the disintegration rate of A?

▸ 0.120 disintegrations per second

▸

1.81 × 10²¹ disintegrations per second

▸ 3.00 disintegrations per second

▸

7.23 × 10¹⁹ disintegrations per second

▸

1.38 × 10^–20 disintegrations per second

Textbook

Chemistry: Atoms First

Edition: 4^th

Author: Burdge

Read 38 times

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More solutions for this book are available here

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Bapelol Author

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Good timing, thanks!

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Yesterday

Thanks

Gamiung3657

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I appreciate what you did here, answered it right Smiling Face with Open Mouth

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