If the half-life period for a first order reaction is 69.3 seconds, what is the value of its rate constant ?

Explanation

To find the rate constant (k) for a first-order reaction given its half-life (T_half), we can use the formula:

\[ k = \frac{\ln(2)}{T_{half}} \]

### Step-by-Step Solution:

1. **Identify the given data**:
- The half-life (T_half) of the reaction is given as 69.3 seconds.
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