Question
Using the data in Figures 9.15 and 9.16 , calculate $\Delta E$ for the reaction $\mathrm{Na}(g)+\mathrm{Cl}(g) \longrightarrow \mathrm{Na}^{+}(g)+\mathrm{Cl}^{-}(g)$.
Step 1
15 and 9.16. From Figure 9.15, we find that the ionization energy of Na(g) is 496 kJ/mol. From Figure 9.16, we find that the electron affinity of Cl(g) is 349 kJ/mol. Now, we can calculate the change in energy, ΔE, for the reaction using the following equation: Show more…
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