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Given the reaction shown below and its corresponding graph, which line represents represents ammonia : 2NH3(g)→N2(g)+3H2(g) a. blue b. yellow c. none of these d. red e. any of these could represent the compound

Given the reaction shown below and its corresponding graph, which line represents represents ammonia : 2NH3(g)→N2(g)+3H2(g) a. blue b. yellow c. none of these d. red e. any of these could represent the compound

Chemistry
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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Given the reaction shown below and its corresponding graph, which line represents represents ammonia :

2NH3(g)→N2(g)+3H2(g)

a. blue

b. yellow

c. none of these

d. red

e. any of these could represent the compound

 

### Concentration vs. Time: Understanding Reaction Kinetics The following graph presents the concentration profiles of three different species over a period of 400 seconds. The concentrations of these species are plotted on the y-axis (in mol/L), while the time is represented on the x-axis (in seconds). #### Key Features of the Graph 1. **Species 1 (Blue Curve)**: - Initially, species 1 has the highest concentration at approximately 0.009 mol/L. - Over time, the concentration of species 1 decreases steadily. - By the end of 400 seconds, its concentration appears to be around 0.001 mol/L. 2. **Species 2 (Red Curve)**: - Species 2 starts with a concentration of 0 mol/L. - As time progresses, the concentration of species 2 increases rapidly. - At around 150 seconds, the concentration of species 2 peaks at approximately 0.006 mol/L. - Following this peak, the concentration of species 2 begins to gradually decrease and levels off towards the end of the observed period. 3. **Species 3 (Yellow Curve)**: - The initial concentration of species 3 is 0 mol/L. - The concentration of species 3 increases throughout the duration of the experiment albeit at a slower rate compared to species 2. - At the end of the 400 seconds, the concentration of species 3 reaches just under 0.004 mol/L. #### Analysis - **Initial Phase (0-50 seconds)**: - Species 1 concentration decreases sharply. - Species 2 and species 3 concentrations start to rise from zero. - **Mid Phase (50-200 seconds)**: - Species 1 continues to decline. - Species 2 reaches its peak concentration around 150 seconds and then begins to decrease. - Species 3 shows a steady increase. - **Final Phase (200-400 seconds)**: - Species 1 concentration stabilizes at a low level. - Species 2 concentration decreases and plateaus. - Species 3 continues to increase but at a diminished rate. #### Conclusion This graph is indicative of a multi-step reaction where species 1 is likely a reactant, species 2 an intermediate, and species 3 a product. The transition of concentration profiles helps in understanding the kinetics of the reaction and the relationships between the
Transcribed Image Text:### Concentration vs. Time: Understanding Reaction Kinetics The following graph presents the concentration profiles of three different species over a period of 400 seconds. The concentrations of these species are plotted on the y-axis (in mol/L), while the time is represented on the x-axis (in seconds). #### Key Features of the Graph 1. **Species 1 (Blue Curve)**: - Initially, species 1 has the highest concentration at approximately 0.009 mol/L. - Over time, the concentration of species 1 decreases steadily. - By the end of 400 seconds, its concentration appears to be around 0.001 mol/L. 2. **Species 2 (Red Curve)**: - Species 2 starts with a concentration of 0 mol/L. - As time progresses, the concentration of species 2 increases rapidly. - At around 150 seconds, the concentration of species 2 peaks at approximately 0.006 mol/L. - Following this peak, the concentration of species 2 begins to gradually decrease and levels off towards the end of the observed period. 3. **Species 3 (Yellow Curve)**: - The initial concentration of species 3 is 0 mol/L. - The concentration of species 3 increases throughout the duration of the experiment albeit at a slower rate compared to species 2. - At the end of the 400 seconds, the concentration of species 3 reaches just under 0.004 mol/L. #### Analysis - **Initial Phase (0-50 seconds)**: - Species 1 concentration decreases sharply. - Species 2 and species 3 concentrations start to rise from zero. - **Mid Phase (50-200 seconds)**: - Species 1 continues to decline. - Species 2 reaches its peak concentration around 150 seconds and then begins to decrease. - Species 3 shows a steady increase. - **Final Phase (200-400 seconds)**: - Species 1 concentration stabilizes at a low level. - Species 2 concentration decreases and plateaus. - Species 3 continues to increase but at a diminished rate. #### Conclusion This graph is indicative of a multi-step reaction where species 1 is likely a reactant, species 2 an intermediate, and species 3 a product. The transition of concentration profiles helps in understanding the kinetics of the reaction and the relationships between the
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