Use the data given below to construct a Born-Haber cycle to determine the electron affinity of Br.

\begin{tabular}{|l|l|} \hline & $Δ H^{\circ} (\underline{kJ})$ \\ \hline $Na (s) \to Na (g)$ & 89 \\ \hline $Na (g) \to Na^{+} (g) + e^{-}$ & 409 \\ \hline $Br_{2} (l) \to 2 Br (g)$ & 190 \\ \hline $Na (s) + Br_{2} (g) \to NaBr^{(s)}$ & -372 \\ \hline $NaBr (s) \to Na^{+} (g) + Br^{-} (g)$ & 669 \\ \hline \end{tabular}

Question

Use the data given below to construct a Born-Haber cycle to determine the electron affinity of Br.

\begin{tabular}{|l|l|} \hline &

Δ H^{\circ} (\underline{kJ})

\\ \hline

Na (s) \to Na (g)

& 89 \\ \hline

Na (g) \to Na^{+} (g) + e^{-}

& 409 \\ \hline

Br_{2} (l) \to 2 Br (g)

& 190 \\ \hline

Na (s) + Br_{2} (g) \to NaBr^{(s)}

& -372 \\ \hline

NaBr (s) \to Na^{+} (g) + Br^{-} (g)

& 669 \\ \hline \end{tabular}

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