Chapter 11, Problem 140RQ

The following thermochemical equations apply to acetic acid.

$\begin{array}{l}{\text{HC}}_{\text{2}}{\text{H}}_{\text{3}}{\text{O}}_{\text{2}}\left(s\right)\to {\text{HC}}_{\text{2}}{\text{H}}_{\text{3}}{\text{O}}_{\text{2}}\left(l\right)\Delta H_{\text{fusion}}\text{ = 10}\text{.8 kJ/mol}\\ {\text{HC}}_{\text{2}}{\text{H}}_{\text{3}}{\text{O}}_{\text{2}}\left(l\right)\to {\text{HC}}_{\text{2}}{\text{H}}_{\text{3}}{\text{O}}_{\text{2}}\left(g\right)\Delta H_{\text{vaporization}}\text{ = 24}\text{.3 kJ/mol}\end{array}$

Use Hess's law to estimate the value for the heat of sublimation of acetic acid in kilojoules per mole.