Use the Given Thermodynamic Data and the Reaction Below to Calculate

question 59

Multiple Choice

Use the given thermodynamic data and the reaction below to calculate ?S°(universe) for the formation of Fe2O3(s) at 298.15 K. 3 Fe(s) + 2 O₂(g) ? Fe₃O₄(s)
$$\begin{array} { l l l } \text { Species } & \Delta _f H ^ { \circ } ( \mathrm { kJ } / \mathrm { mol } ) & S ^ { \circ } ( \mathrm { J } / \mathrm { K } \cdot \mathrm { mol } ) \\\hline \mathrm { Fe } ( \mathrm { s } ) & 0.0 & 27.8 \\\mathrm { O } _ { 2 } ( \mathrm {~g} ) & 0.0 & 205.1 \\\mathrm { Fe } _ { 3 } \mathrm { O } _ { 4 } ( \mathrm {~s} ) & - 1118.4 & 146.4\end{array}$$

• A) -3404 J/K
• B) -1162 J/K
• C) +561.2 J/K
• D) +3404 J/K
• E) +7639 J/K

---

Definitions:

Opportunity Recognition

The ability to identify new business opportunities or ideas that could be viable for investment or development.

Loose-Tight Leadership

A leadership style that combines elements of flexibility and strict control, allowing for innovation while maintaining order.

Exploring Creative Ideas

The process of seeking out new and innovative solutions or concepts beyond conventional boundaries.

Employee Retention

Strategies and practices employed by businesses to prevent valuable employees from leaving their jobs.