Chapter 18, Problem 70AP

Consider the following Brønsted acid-base reaction at $\text{25°C}$:

$\text{HF}(aq)+{\text{Cl}}^{\text{-}}(aq)\underset{}{\rightleftarrows }\text{HCl(}aq{\text{)+F}}^{\text{-}}(aq)$

(a) Predict whether K w ill be greater or smaller than 1. (b) Does $\Delta S°\text{ or }\Delta H°$ make a greater contribution to $\Delta G°$ ? (c) Is $\Delta H°$ likely to be positive or negative?