What Is the Standard Entropy Change for the Following Reaction

question 9

Multiple Choice

What is the standard entropy change for the following reaction?
$$\begin{array} { l l l l l } & 4 \mathrm {~N} _ { 2 } ( \mathrm {~g} ) & + 12 \mathrm { H } _ { 2 } ( \mathrm {~g} ) & \rightarrow & 8 \mathrm { NH } _ { 3 } ( \mathrm {~g} ) \\\\S _ { 298 } ^ { 0 } & 191.5 & 130.6 && 192.3\end{array}$$ (J/mol?K)

• A) -794.8 J/K?mol-rxn
• B) 794.8 J/K?mol-rxn
• C) 2948.8 J/K?mol-rxn
• D) -2948.8 J/K?mol-rxn
• E) -129.8 J/K?mol-rxn

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Definitions:

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Far-red light refers to the deep red light near infrared, with wavelengths between 700nm and 800nm, important in plant photomorphogenesis.

Ethylene

A hydrocarbon gas (C2H4) that acts as a plant hormone, regulating a wide range of processes including fruit ripening and leaf senescence.

Jasmonic Acid

A plant hormone that plays a key role in stress responses, growth, and developmental processes, as well as in defense mechanisms against pathogens.

Prostaglandins

A group of lipid compounds that have diverse hormone-like effects in animals, including involvement in inflammation and pain management.