Using reaction free energy to predict equilibrium composition Consider the following equilibrium: 2NOCI (c)2NO(g) + Cl₂(e) AG-41. KJ Now suppose a reaction vessel is filled with 1.42 atm of nitrosyl chloride (NOCI) and 0.768 atm of nitrogen monoxide (NO) at 928. °C. Answer the following questions about this system: Under these conditions, will the pressure of NO tend to rise or fall? Is it possible to reverse this tendency by adding Cl₂? In other words, if you said the pressure of NO will tend to rise, can that be changed to a tendency to fall by adding Cl₂? Similarly, if you said the pressure of NO will tend to fall, can that be changed to a tendency to rise by adding Cl₂? If you said the tendency can be reversed in the second question, calculate the minimum pressure of Cl₂ needed to reverse it. Round your answer to 2 significant digits. Orise fall yes O no 0.9 X 5 Lara V db M

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## Using Reaction Free Energy to Predict Equilibrium Composition

### Consider the Following Equilibrium:
\[ 2\text{NOCl}(g) \rightleftharpoons 2\text{NO}(g) + \text{Cl}_2(g) \quad \Delta G^\circ = +42.1 \text{ kJ} \]

Now suppose a reaction vessel is filled with 1.42 atm of nitrosyl chloride (NOCl) and 0.768 atm of nitrogen monoxide (NO) at 924 °C. Answer the following questions about this system:

1. **Under these conditions, will the pressure of NO tend to rise or fall?**
   - Options: 
     - Rise
     - Fall

2. **Is it possible to reverse this tendency by adding Cl₂?**
   - Options: 
     - Yes
     - No

3. **In other words, if you said the pressure of NO will tend to rise, can that be changed to a tendency to fall by adding Cl₂? Similarly, if you said the pressure of NO will tend to fall, can that be changed to a tendency to rise by adding Cl₂?**
   - Options:
     - Yes
     - No

4. **If you said the tendency can be reversed in the second question, calculate the minimum pressure of Cl₂ needed to reverse it.**
   - Answer: [              ] atm

   - **Round your answer to 2 significant digits.**

### Additional Features:
- The screen features options to select answers and input an answer for the calculation.
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### Interface Details:
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Transcribed Image Text:## Using Reaction Free Energy to Predict Equilibrium Composition ### Consider the Following Equilibrium: \[ 2\text{NOCl}(g) \rightleftharpoons 2\text{NO}(g) + \text{Cl}_2(g) \quad \Delta G^\circ = +42.1 \text{ kJ} \] Now suppose a reaction vessel is filled with 1.42 atm of nitrosyl chloride (NOCl) and 0.768 atm of nitrogen monoxide (NO) at 924 °C. Answer the following questions about this system: 1. **Under these conditions, will the pressure of NO tend to rise or fall?** - Options: - Rise - Fall 2. **Is it possible to reverse this tendency by adding Cl₂?** - Options: - Yes - No 3. **In other words, if you said the pressure of NO will tend to rise, can that be changed to a tendency to fall by adding Cl₂? Similarly, if you said the pressure of NO will tend to fall, can that be changed to a tendency to rise by adding Cl₂?** - Options: - Yes - No 4. **If you said the tendency can be reversed in the second question, calculate the minimum pressure of Cl₂ needed to reverse it.** - Answer: [ ] atm - **Round your answer to 2 significant digits.** ### Additional Features: - The screen features options to select answers and input an answer for the calculation. - There’s a "Check" button for submitting answers. - An "Explanation" button is available for accessing more information. - There are interactive elements like a small graph icon and a reset button, indicative of potential graph-related features or reset options for the interactive session. Graphical elements or diagrams are not shown in this captured image. ### Interface Details: - The page belongs to an online educational platform by McGraw Hill. - There are various tabs visible for quick access to related content like "Enthalpies of Reactions" and "Gibbs Free Energy."
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