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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Definitions:

Account Value

The total worth of a financial account, including cash, investment holdings, and any other assets minus liabilities.

Present Values

Present values represent the sum total of all future cash flows of an investment or project discounted back to their value today.

Future Values

The value of an asset or cash at a specified date in the future that is equivalent in value to a specified sum today, accounting for interest or capital gains.

Simple Interest

Interest computed solely on the initial sum of money, or on the remaining balance of the principal that is not yet paid off.