Be sure to answer all parts. The decomposition of NOBr is studied manometrically because the number of moles of gas changes; it cannot be studied colorimetrically because both NOBr and Br, are reddish-brown. 2NOBr(g) → 2N0(g) + Br,(g) Use the data below to make the following determinations: (a) the average rate of decomposition of NOB over the entire experiment. (b) the average rate of decomposition of NOBr between 2.00 and 4.00 seconds. Time (s) INOB1] (mol/L) 0.00 0.0100 2.00 0.0071 4.00 0.0055 6.00 0.0045 8.00 0.0038 10.00 0. 001
Be sure to answer all parts. The decomposition of NOBr is studied manometrically because the number of moles of gas changes; it cannot be studied colorimetrically because both NOBr and Br, are reddish-brown. 2NOBr(g) → 2N0(g) + Br,(g) Use the data below to make the following determinations: (a) the average rate of decomposition of NOB over the entire experiment. (b) the average rate of decomposition of NOBr between 2.00 and 4.00 seconds. Time (s) INOB1] (mol/L) 0.00 0.0100 2.00 0.0071 4.00 0.0055 6.00 0.0045 8.00 0.0038 10.00 0. 001
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![Be sure to answer all parts.
The decomposition of NOBr is studied manometrically because the number of moles of gas changes; it cannot be studied colorimetrically because both NOBr and Br₂ are reddish-brown.
\[2NOBr(g) \rightarrow 2NO(g) + Br_2(g)\]
Use the data below to make the following determinations:
**(a)** the average rate of decomposition of NOBr over the entire experiment.
**(b)** the average rate of decomposition of NOBr between 2.00 and 4.00 seconds.
### Data Table
\[ \begin{array}{|c|c|}
\hline
\text{Time (s)} & \text{[NOBr] (mol/L)} \\
\hline
0.00 & 0.0100 \\
2.00 & 0.0071 \\
4.00 & 0.0055 \\
6.00 & 0.0045 \\
8.00 & 0.0038 \\
10.00 & 0.0033 \\
\hline
\end{array} \]
### Questions
The rates of decomposition of NOBr are
**(a)** \_\_\_\_\_\_ mol L⁻¹ s⁻¹
**(b)** \_\_\_\_\_\_ mol L⁻¹ s⁻¹
### Explanation of Graphs or Diagrams:
This table presents the concentration of NOBr ([NOBr]) in mol/L over time (in seconds). The concentration decreases as time progresses, indicating the decomposition of NOBr into NO and Br₂ gases. The data provided will be used to calculate the average rate of decomposition.
To determine the rates:
1. **Average Rate over the Entire Experiment:**
- Calculate the difference in concentration over the entire time period and divide by the total time.
2. **Average Rate between Specific Time Intervals:**
- For the interval from 2.00 to 4.00 seconds, calculate the difference in concentration and divide by the time difference (2.00 seconds).
These rates are important for understanding the kinetics of the chemical reaction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe0ae19d5-3750-41df-884f-8ca3aa31e002%2F33feacf3-2665-4d68-924d-dbc667ffef4f%2Fk3gyoeg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Be sure to answer all parts.
The decomposition of NOBr is studied manometrically because the number of moles of gas changes; it cannot be studied colorimetrically because both NOBr and Br₂ are reddish-brown.
\[2NOBr(g) \rightarrow 2NO(g) + Br_2(g)\]
Use the data below to make the following determinations:
**(a)** the average rate of decomposition of NOBr over the entire experiment.
**(b)** the average rate of decomposition of NOBr between 2.00 and 4.00 seconds.
### Data Table
\[ \begin{array}{|c|c|}
\hline
\text{Time (s)} & \text{[NOBr] (mol/L)} \\
\hline
0.00 & 0.0100 \\
2.00 & 0.0071 \\
4.00 & 0.0055 \\
6.00 & 0.0045 \\
8.00 & 0.0038 \\
10.00 & 0.0033 \\
\hline
\end{array} \]
### Questions
The rates of decomposition of NOBr are
**(a)** \_\_\_\_\_\_ mol L⁻¹ s⁻¹
**(b)** \_\_\_\_\_\_ mol L⁻¹ s⁻¹
### Explanation of Graphs or Diagrams:
This table presents the concentration of NOBr ([NOBr]) in mol/L over time (in seconds). The concentration decreases as time progresses, indicating the decomposition of NOBr into NO and Br₂ gases. The data provided will be used to calculate the average rate of decomposition.
To determine the rates:
1. **Average Rate over the Entire Experiment:**
- Calculate the difference in concentration over the entire time period and divide by the total time.
2. **Average Rate between Specific Time Intervals:**
- For the interval from 2.00 to 4.00 seconds, calculate the difference in concentration and divide by the time difference (2.00 seconds).
These rates are important for understanding the kinetics of the chemical reaction.
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