$\Delta {S^o} = - 1.00\,kJ\,{K^{ - 1}}$
From the equation
$\Delta G = \Delta {H^o} - T\Delta {S^o} = - 29.8 - (298 \times - 0.100)$
$ = - 29.8 + 29.8 = 0$
Now, $\Delta {G^o} = - 2.303\,RT\,\log \,{K_{eq}}$
$0 = - 2.303\,RT\,\log \,{K_{eq}}$
$\therefore {K_{eq}} = 1$

$\Delta H_f^o\left( {CO} \right) = - 110.5\,kJ\,mo{l^{ - 1}};$
$\Delta H_f^o\left( {C{O_2}} \right) = - 393.5\,kJ\,mo{l^{ - 1}}$