The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/b9417b43372624d8f548a382afe0377a.gif" -- '\Large  \displaystyle \Delta G=\Delta G^0+RT \ln \left[\frac{a_{\text{Fe}^{2+}}a_{\text{H}^{+}}}{a_{\text{Fe}^{3+}}(a_{\text{H}_2})^{1/2}}\right] '<br />returned status = 126<br />
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