A chemist fills a reaction vessel with 0.770 M lead (II) (Pb²+) aqueous solution, 0.894 M bromide (Br) aqueous solution, and 0.343 g lead (II) bromide (PbBr₂) solid at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: 2+ Pb²+ (aq) +2Br (aq) → PbBr₂ (s). Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. X

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### Calculating Reaction Free Energy Under Nonstandard Conditions

A chemist fills a reaction vessel with 0.770 M lead (II) (Pb<sup>2+</sup>) aqueous solution, 0.894 M bromide (Br<sup>–</sup>) aqueous solution, and 0.343 g lead (II) bromide (PbBr<sub>2</sub>) solid at a temperature of 25.0°C.

Under these conditions, calculate the reaction free energy, ΔG, for the following chemical reaction:

\[ \text{Pb}^{2+} (\text{aq}) + 2\text{Br}^- (\text{aq}) \rightleftharpoons \text{PbBr}_2 (\text{s}) \]

Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule.

**Answer Input:**

\[ \boxed{\hspace{20px}} \text{ kJ} \]

**Buttons:**
- `X` (for canceling the answer)
- `↺` (for resetting the input)

This is an educational exercise intended to strengthen your understanding of calculating reaction free energy under nonstandard conditions and applying thermodynamic data effectively.
Transcribed Image Text:### Calculating Reaction Free Energy Under Nonstandard Conditions A chemist fills a reaction vessel with 0.770 M lead (II) (Pb<sup>2+</sup>) aqueous solution, 0.894 M bromide (Br<sup>–</sup>) aqueous solution, and 0.343 g lead (II) bromide (PbBr<sub>2</sub>) solid at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy, ΔG, for the following chemical reaction: \[ \text{Pb}^{2+} (\text{aq}) + 2\text{Br}^- (\text{aq}) \rightleftharpoons \text{PbBr}_2 (\text{s}) \] Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. **Answer Input:** \[ \boxed{\hspace{20px}} \text{ kJ} \] **Buttons:** - `X` (for canceling the answer) - `↺` (for resetting the input) This is an educational exercise intended to strengthen your understanding of calculating reaction free energy under nonstandard conditions and applying thermodynamic data effectively.
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