Determine the value of k (without units) for the reaction: C¿H¾B[2 + 3KI → C2H4 + 2KBr +Kl3, given the initial rate data below? [C;H&Brz], M [KI], M A[K!3]/At (M min"') 0.500 1.80 0.269 0.500 7.20 1.08 1.50 1.80 0.807 Select one: O a. 0.299 O b. 0.538 O c. 0.149 O d. 0.0830

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Chapter1: Chemical Foundations
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### Reaction Rate Determination

#### Problem Statement
Determine the value of \( k \) (without units) for the reaction: 
\[ \text{C}_2\text{H}_4\text{Br}_2 + 3\text{KI} \rightarrow \text{C}_2\text{H}_4 + 2\text{KBr} + \text{KI}_3 \]
given the initial rate data below? 

#### Data Table:

| [C2H4Br2], M | [KI], M | Δ[KI3]/Δt (M min⁻¹) |
|--------------|---------|----------------------|
| 0.500        | 1.80    | 0.269                |
| 0.500        | 7.20    | 1.08                 |
| 1.50         | 1.80    | 0.807                |

#### Multiple-Choice Options:
Select one:
- a. 0.299
- b. 0.538
- c. 0.149
- d. 0.0830

#### Diagrams
No graphs or diagrams are provided in the given question.

---

To solve for the rate constant \( k \), you can use the rate law and the data points provided. The rate law for this reaction can be written in the form:
\[ \text{rate} = k [\text{C}_2\text{H}_4\text{Br}_2]^m [\text{KI}]^n \]

By analyzing the changes in the concentration of reactants and their effect on the rate, the constants \( m \) and \( n \) and finally \( k \) can be determined.
Transcribed Image Text:### Reaction Rate Determination #### Problem Statement Determine the value of \( k \) (without units) for the reaction: \[ \text{C}_2\text{H}_4\text{Br}_2 + 3\text{KI} \rightarrow \text{C}_2\text{H}_4 + 2\text{KBr} + \text{KI}_3 \] given the initial rate data below? #### Data Table: | [C2H4Br2], M | [KI], M | Δ[KI3]/Δt (M min⁻¹) | |--------------|---------|----------------------| | 0.500 | 1.80 | 0.269 | | 0.500 | 7.20 | 1.08 | | 1.50 | 1.80 | 0.807 | #### Multiple-Choice Options: Select one: - a. 0.299 - b. 0.538 - c. 0.149 - d. 0.0830 #### Diagrams No graphs or diagrams are provided in the given question. --- To solve for the rate constant \( k \), you can use the rate law and the data points provided. The rate law for this reaction can be written in the form: \[ \text{rate} = k [\text{C}_2\text{H}_4\text{Br}_2]^m [\text{KI}]^n \] By analyzing the changes in the concentration of reactants and their effect on the rate, the constants \( m \) and \( n \) and finally \( k \) can be determined.
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