JEE Main 2007Annual, Paper 1ChemistryMediumChemical Thermodynamics84× since 2002
In conversion of lime-stone to lime,
CaCO₃(s) CaO(s) + CO₂ (g) the vales of ∆H° and ∆S° are +179.1 kJ mol−1
and 160.2 J/K respectively at 298 K and 1 bar.
Assuming that ∆H° do not change with temperature, temperature above which conversion of
limestone to lime will be spontaneous is :