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For the gaseous reaction , K((g)) + F((g...

For the gaseous reaction , `K_((g)) + F_((g)) to K^(+) + F^(-) , DeltaH` was calculated to be 19 kcal under conditions where the cations and anions were prevented by electrosatic separation from combining with each other. The ionisation potential of K is 4.3 eV. What is the electron affinity of F ?

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To solve the problem, we need to find the electron affinity of fluorine based on the given data. Let's break it down step by step. ### Step 1: Write the Reaction We start with the given reaction: \[ K(g) + F(g) \rightarrow K^+(g) + F^-(g) \] The enthalpy change (\(\Delta H\)) for this reaction is given as 19 kcal. ### Step 2: Understand Ionization Potential ...
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