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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Total Fixed Assets

The sum of all long-term tangible assets that a company owns and uses in its operations, which are not expected to be consumed or converted into cash within a year.

Shareholders' Equity

The residual interest in the assets of a corporation after deducting its liabilities; also known as stockholders' equity.

Sustainable Growth Rate

The maximum rate at which a company can grow its revenues and earnings without increasing its financial leverage or equity financing.

Return On Equity

A measure of financial performance calculated by dividing net income by shareholders' equity, indicating how effectively management is using a company’s assets to create profits.