Calculate the Energy Change for the Reaction K(g) + Br(g) $\rarr$

question 18

Multiple Choice

Calculate the energy change for the reaction K(g) + Br(g) $\rarr$ K⁺(g) + Br^- (g)
Given the following ionization energy (IE) and electron affinity (EA) values. $\begin{array}{cc}\text { IE } & \text { EA } \\\text { K: }: 419 \mathrm{~kJ} / \mathrm{mol} & 48 \mathrm{~kJ} / \mathrm{mol} \\\mathrm{Br}: 1140 \mathrm{~kJ} / \mathrm{mol} & 324 \mathrm{~kJ} / \mathrm{mol}\end{array}$

• A) -1,092 kJ/mol
• B) -95 kJ/mol
• C) 95 kJ/mol
• D) 1,092 kJ/mol
• E) 1,187 kJ/mol

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