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Chemistry
Chemistry
Problem
The half-life of a certain radioisotope is
10
h
10\,\text{h}
10
h
. Its decay constant in
h
−
1
\text{h}^{-1}
h
−
1
is closest to (use
ln
2
=
0.693
\ln 2 =0.693
ln
2
=
0.693
) a)
0.00693
0.00693
0.00693
b)
0.100
0.100
0.100
c)
0.0693
0.0693
0.0693
d)
0.0793
0.0793
0.0793
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