[he kinetics of this reaction were studied at 50.9 °C. The following data were obtained by following Ni(CO)4 concentration over time as the reaction took place. 4.0 6.0 Ni(CO),], M | 0.45 | 0.315844| 0.221683 | 0.109207| 0.053799|| 0.013056 | 0.002224 2.0 10.0 ime, sec 1.0 15.0 20.0 What is the half-life of the reaction, in minutes, at 50.9 °C ?

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### Decomposition of Nickel Carbonyl (Ni(CO)₄)

**Reaction:**
\[ \text{Ni(CO)}_4 (\text{g}) \rightarrow \text{Ni (s)} + 4 \text{CO (g)} \]

**Study Overview:**
The kinetics of the decomposition of Nickel Carbonyl (Ni(CO)₄) were studied at a temperature of 50.9 °C. The concentration of Ni(CO)₄ was measured over a series of time intervals to observe the reaction's progress.

**Data Table:**

| Time (sec) | [Ni(CO)₄] (M) |
|------------|:-------------:|
| 1.0        | 0.45          |
| 2.0        | 0.315844      |
| 4.0        | 0.221683      |
| 6.0        | 0.109207      |
| 10.0       | 0.053799      |
| 15.0       | 0.013056      |
| 20.0       | 0.002224      |

**Interpretation of the Data:**
The table shows the concentration of Nickel Carbonyl, Ni(CO)₄, at the specified times in seconds. As time progresses, the concentration of Ni(CO)₄ decreases, indicating the rate at which the reaction is occurring and the compound is decomposing.

**Question:**
What is the half-life of the reaction, in minutes, at 50.9 °C?

**Calculation of Half-Life:**
To determine the half-life, find the time it takes for the concentration of Ni(CO)₄ to decrease to half of its initial concentration. The initial concentration is 0.45 M, so we look for the time at which the concentration reaches 0.225 M.

From the given data:
- At 4.0 sec, [Ni(CO)₄] = 0.221683 M 

**Conclusion:**
Therefore, the half-life of the reaction at 50.9 °C is approximately 4.0 seconds. Converting this to minutes:
\[ \text{Half-life} = \frac{4.0 \text{ sec}}{60 \text{ sec/min}} \approx 0.067 \text{ minutes} \]
Thus, the half-life of
Transcribed Image Text:### Decomposition of Nickel Carbonyl (Ni(CO)₄) **Reaction:** \[ \text{Ni(CO)}_4 (\text{g}) \rightarrow \text{Ni (s)} + 4 \text{CO (g)} \] **Study Overview:** The kinetics of the decomposition of Nickel Carbonyl (Ni(CO)₄) were studied at a temperature of 50.9 °C. The concentration of Ni(CO)₄ was measured over a series of time intervals to observe the reaction's progress. **Data Table:** | Time (sec) | [Ni(CO)₄] (M) | |------------|:-------------:| | 1.0 | 0.45 | | 2.0 | 0.315844 | | 4.0 | 0.221683 | | 6.0 | 0.109207 | | 10.0 | 0.053799 | | 15.0 | 0.013056 | | 20.0 | 0.002224 | **Interpretation of the Data:** The table shows the concentration of Nickel Carbonyl, Ni(CO)₄, at the specified times in seconds. As time progresses, the concentration of Ni(CO)₄ decreases, indicating the rate at which the reaction is occurring and the compound is decomposing. **Question:** What is the half-life of the reaction, in minutes, at 50.9 °C? **Calculation of Half-Life:** To determine the half-life, find the time it takes for the concentration of Ni(CO)₄ to decrease to half of its initial concentration. The initial concentration is 0.45 M, so we look for the time at which the concentration reaches 0.225 M. From the given data: - At 4.0 sec, [Ni(CO)₄] = 0.221683 M **Conclusion:** Therefore, the half-life of the reaction at 50.9 °C is approximately 4.0 seconds. Converting this to minutes: \[ \text{Half-life} = \frac{4.0 \text{ sec}}{60 \text{ sec/min}} \approx 0.067 \text{ minutes} \] Thus, the half-life of
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