MgO(s)+C(s)→Mg(s)+CO(g) for which ΔHreaction 0=+491.1kJmol−1 and ΔS0=198.0 Jk−1mol−1 is not  feasible at 298k.Temp above which reaction will be  feasible is ? (assume that ΔH0 and ΔS∘ not varies with temperature)