In an Experiment, 1 $\Delta$ S_rxn Given the Following Information A) -1812 J/K
B) -90

question 81

Multiple Choice

In an experiment, 1.00 mol of sodium metal is placed in a container and reacts with an excess of chlorine gas to form sodium chloride under standard state conditions. Determine $\Delta$ S_rxn given the following information: $\begin{array}{l}\text { Substance } \quad S^{\circ}(\mathrm{J} / \mathbf{m o l} \text { - }\\\begin{array}{lc} & \text { K) } \\\mathrm{Na}(s) & 51.45 \\\mathrm{Cl}_{2}(g) & 222.96 \\\mathrm{NaCl}(s) & 72.33\end{array}\end{array}$

• A) -181.2 J/K
• B) -90.6 J/K
• C) -724.8 J/K
• D) -45.3 J/K
• E) -202.1 J/K

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