Given the Following the Data, What Is the Energy Change

question 23

Multiple Choice

Given the following the data, what is the energy change for this reaction?

$\begin{array}{|l|l|l|l|}\hline \text { Element } & \text { Symbol } & \text { Electron Affinity } & 1^{\text {sit }} \text { Ionization Energy } \\\hline & & & \\\hline \text { Sodium } & \text { Na } & 52.8 \mathrm{~kJ} \mathrm{~mol}^{-1} & 495.8 \mathrm{~kJ} \mathrm{~mol}^{-1} \\\hline \text { Chlorine } & \text { C1 } & 349.0 \mathrm{~kJ} \mathrm{~mol}^{-1} & 1251.2 \mathrm{~kJ} \mathrm{~mol}^{-1} \\\hline\end{array}$ Na(g) + Cl(g) →

Na⁺(g) + Cl^-(g)

• A) -1198.4 kJ mol^-1
• B) -146.8 kJ mol^-1
• C) +146.8 kJ mol^-1
• D) +672.6 kJ mol^-1
• E) +1198.4 kJ mol^-1

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