Chapter 8.9, Problem 2CP

Use data from Table 8.6 to estimate $\Delta H_{\text{rxn}}$ for the reaction of fluorine and chlorine to produce ClF.

$\text{F2}\left(g\right){\text{ + Cl}}_{\text{2}}\left(g\right)\to \text{ 2ClF}\left(g\right)$

$\begin{array}{l}\text{a)}\hfill \\ \text{–77}\text{.5 kJ/mol}\hfill \\ \text{b)}\hfill \\ \text{–206}\text{.6 kJ/mol}\hfill \\ \text{c)}\hfill \\ \text{206}\text{.6 kJ/mol}\hfill \\ \text{d)}\hfill \\ \text{-13}\text{.6 kJ/mol}\hfill \\ \text{e)}\hfill \\ \text{13}\text{.6 kJ/mol}\hfill \end{array}$