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Solved: Match each of the following energy changes with
Chapter 9, Problem 75P(choose chapter or problem)
Match each of the following energy changes with one of the processes given: ionization energy, electron affinity, bond enthalpy, and standard enthalpy of formation.
(a) \(\mathrm{F}(g)+e^{-} \longrightarrow \mathrm{F}^{-}(g)\)
(b) \(\mathrm{F}_{2}(g) \longrightarrow 2 \mathrm{~F}(g)\)
(c) \(\mathrm{Na}(g) \longrightarrow \mathrm{Na}^{+}(g)+e^{-}\)
(d) \(\mathrm{Na}(s)+\frac{1}{2} \mathrm{~F}_{2}(g) \longrightarrow \mathrm{NaF}(s)\)
Questions & Answers
QUESTION:
Match each of the following energy changes with one of the processes given: ionization energy, electron affinity, bond enthalpy, and standard enthalpy of formation.
(a) \(\mathrm{F}(g)+e^{-} \longrightarrow \mathrm{F}^{-}(g)\)
(b) \(\mathrm{F}_{2}(g) \longrightarrow 2 \mathrm{~F}(g)\)
(c) \(\mathrm{Na}(g) \longrightarrow \mathrm{Na}^{+}(g)+e^{-}\)
(d) \(\mathrm{Na}(s)+\frac{1}{2} \mathrm{~F}_{2}(g) \longrightarrow \mathrm{NaF}(s)\)
ANSWER:Step 1 of 4
a)
\(F\) (g) + \(e^-\) \(F^-\) (g) - Electron affinity.
The electron affinity of fluorine has a negative charge , which shows us the energy that released to add an one electron to an atom.