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0.0016 298 K 0.0008 1000 K - 1000 1000 Vy/m s-1 FIGURE 16.2 One-dimensional velocity distributions for Ar at 298 K (red line) and 1000 K (purple line).

0.0016 298 K 0.0008 1000 K - 1000 1000 Vy/m s-1 FIGURE 16.2 One-dimensional velocity distributions for Ar at 298 K (red line) and 1000 K (purple line).

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
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List 3 observations for Figure 16.2 

### Figure 16.2: One-dimensional Velocity Distributions **Description:** This figure presents the one-dimensional velocity distributions \( f(v_x) \) for Argon (Ar) gas at two different temperatures: 298 K and 1000 K. **Graph Explanation:** - **Horiziontal Axis (\( v_x/m \ s^{-1} \)):** This axis represents the velocity component \( v_x \) in meters per second (m/s). - **Vertical Axis (\( f(v_x) \)):** This axis represents the distribution function \( f(v_x) \) which indicates the probability density of finding particles with a specific velocity component \( v_x \). **Curves:** - **Red Line:** Represents the velocity distribution at 298 K. - **Purple Line:** Represents the velocity distribution at 1000 K. **Key Observations:** - **Peak and Spread:** At 298 K, the distribution (red line) is narrower and has a higher peak, indicating higher probability of particles having a moderate velocity. At 1000 K, the distribution (purple line) is broader and has a lower peak, indicating a wider range of particle velocities due to increased thermal energy. This figure illustrates how increasing temperature affects the velocity distribution of gas particles, causing the distribution to widen and flatten as temperature rises.
Transcribed Image Text:### Figure 16.2: One-dimensional Velocity Distributions **Description:** This figure presents the one-dimensional velocity distributions \( f(v_x) \) for Argon (Ar) gas at two different temperatures: 298 K and 1000 K. **Graph Explanation:** - **Horiziontal Axis (\( v_x/m \ s^{-1} \)):** This axis represents the velocity component \( v_x \) in meters per second (m/s). - **Vertical Axis (\( f(v_x) \)):** This axis represents the distribution function \( f(v_x) \) which indicates the probability density of finding particles with a specific velocity component \( v_x \). **Curves:** - **Red Line:** Represents the velocity distribution at 298 K. - **Purple Line:** Represents the velocity distribution at 1000 K. **Key Observations:** - **Peak and Spread:** At 298 K, the distribution (red line) is narrower and has a higher peak, indicating higher probability of particles having a moderate velocity. At 1000 K, the distribution (purple line) is broader and has a lower peak, indicating a wider range of particle velocities due to increased thermal energy. This figure illustrates how increasing temperature affects the velocity distribution of gas particles, causing the distribution to widen and flatten as temperature rises.
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