27 Te value of Ag 9ts ecnstituent element Pzcg) +3C/2cg)→2Pcl3(9) is A)-SB9.2 B) t539.2 C)-373.3 DH642.9 E) -642.9 at 25°C fortefermatren of Phesph ky/mcl.
27 Te value of Ag 9ts ecnstituent element Pzcg) +3C/2cg)→2Pcl3(9) is A)-SB9.2 B) t539.2 C)-373.3 DH642.9 E) -642.9 at 25°C fortefermatren of Phesph ky/mcl.
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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Please help me the table is for question 27 thank you very much. Please show work thank you very much.

Transcribed Image Text:**Thermodynamic Properties Table**
| Substance | \( \Delta H_f^\circ \) (kJ/mol) | \( G^\circ \) (kJ/mol) | \( S^\circ \) (J/mol·K) |
|-----------|--------------------|------------------|------------------|
| \( P_2 \) (g) | 144.3 | -- | 216.1 |
| \( PCl_3 \) (g) | -288.1 | -- | 311.7 |
| \( POCl_3 \) (g) | -542.2 | -- | 325 |
| \( Cl_2 \) (g) | 0 | 0 | 222.96 |
| \( O_2 \) (g) | 0 | 0 | 205.0 |
| \( H_2O \) (l) | -285.83 | -- | 69.91 |
**Explanation:**
This table presents the thermodynamic properties of various substances. It includes:
- **Standard Enthalpy of Formation (\( \Delta H_f^\circ \))**: Measured in kJ/mol, it indicates the heat change when one mole of a compound is formed from its elements at standard conditions.
- **Standard Gibbs Free Energy (\( G^\circ \))**: Typically provided in kJ/mol, it is the energy associated with a chemical reaction that can be used to do work at standard conditions. In this table, the values are not provided.
- **Standard Entropy (\( S^\circ \))**: Given in J/mol·K, it represents the degree of disorder or randomness in the system.
The table includes substances such as phosphorus (\( P_2 \)), phosphorus trichloride (\( PCl_3 \)), phosphorus oxychloride (\( POCl_3 \)), chlorine (\( Cl_2 \)), oxygen (\( O_2 \)), and water (\( H_2O \)).
![The given image contains a handwritten chemistry question related to Gibbs free energy change (ΔG°) at 25°C. The question asks for the ΔG° value for the formation of phosphorus trichloride from its constituent elements.
The reaction is:
\[ \text{P}_2(g) + 3\text{Cl}_2(g) \rightarrow 2\text{PCl}_3(g) \]
It asks to fill in the blank with the correct value of ΔG° in kJ/mol.
The options are:
A) -589.2
B) +539.2
C) -373.3
D) +642.9
E) -642.9](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ef85c79-8e8f-4d9a-890a-b67fe0c4488a%2Fbb296749-0a92-4582-ae3e-de6a86a0ef5c%2Fv4r96s9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The given image contains a handwritten chemistry question related to Gibbs free energy change (ΔG°) at 25°C. The question asks for the ΔG° value for the formation of phosphorus trichloride from its constituent elements.
The reaction is:
\[ \text{P}_2(g) + 3\text{Cl}_2(g) \rightarrow 2\text{PCl}_3(g) \]
It asks to fill in the blank with the correct value of ΔG° in kJ/mol.
The options are:
A) -589.2
B) +539.2
C) -373.3
D) +642.9
E) -642.9
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