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Chemistry
Chemistry
Problem
Isotope P has a half-life of 2 years, while isotope Q has a half-life of 5 years. Which of the following correctly compares their decay constants
k
P
k_P
k
P
and
k
Q
k_Q
k
Q
? a)
∣
k
P
∣
<
∣
k
Q
∣
|k_P| < |k_Q|
∣
k
P
∣
<
∣
k
Q
∣
b)
k
P
=
−
k
Q
k_P = -k_Q
k
P
=
−
k
Q
c)
∣
k
P
∣
>
∣
k
Q
∣
|k_P| > |k_Q|
∣
k
P
∣
>
∣
k
Q
∣
d)
∣
k
P
∣
=
2
5
∣
k
Q
∣
|k_P| = \dfrac{2}{5}\,|k_Q|
∣
k
P
∣
=
5
2
∣
k
Q
∣
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