For the reaction

$2CO(g)+2NO(g)longrightarrow2C{O}_2(g)+N_2(g)$

$H=-746\mathrm{.}6kJ$ and $S=-198\mathrm{.}0\frac{J}{K}$

The maximum amount of work that could be done when $1\mathrm{.}81$ moles of $CO(g)$ react at $278K,1$atm is

Assume that $H$ and $S$ are independent of temperature.