A laboratory rat is exposed to an alpha-radiation source, Chemistry

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A laboratory rat is exposed to an alpha-radiation source

A laboratory rat is exposed to an alpha-radiation source whose activity is 14.3 mCi.

(a) What is the activity of the radiation in disintegrations per second? In becquerels?

(b) The rat has a mass of 385 g and is exposed to the radiation for 14.0 s, absorbing 35% of the emitted alpha particles, each having an energy of 9.12 X 10-13 J. Calculate the absorbed dose in millirads and grays.

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Chemistry: A laboratory rat is exposed to an alpha-radiation source

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Chemistry: A laboratory rat is exposed to an alpha-radiation source

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