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adoni [48]
3 years ago
7

In which reaction is it possible for nitrogen to change into carbon?

Chemistry
1 answer:
sertanlavr [38]3 years ago
5 0
C. ionization reaction...
THANKS!!
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The half-life of phosphorus-32 is 14.30 days. how many milligrams of a 20.00 mg sample of phosphorus-32 will remain after 85.80
ZanzabumX [31]
The amount of sample that is left after a certain period of time, given the half-life, h, can be calculated through the equation.

             A(t) = A(o) (1/2)^(t/d)

where t is the certain period of time. Substituting the known values,

             A(t) = (20 mg)(1/2)^(85.80/14.30)

Solving,

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Hence, the answer is 0.3125 mg. 
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