In conversation of limestone to lime,CaCO3(s)→CaO(s)+CO2(g)The values of ΔH∘ and ΔS∘ are +179.1kJmol−1 and 160.2 J/K respectively at 298 K and 1 bar. Assuming that ∆H°and ∆S° do not change with temperature above which conversation of limestone to lime will be spontaneous is: