JEE Main 201815 Apr, Evening shiftChemistryMediumChemical Thermodynamics84× since 2002
_fG^o at 500 K for substance 'S' in liquid state and gaseous state are +100.7 kcl mol-¹ and +103 kcal mol⁻¹, respectively. Vapour pressure of liquid 'S' at 500 K is approximately equal to : ( R = 2 cal K⁻¹ mol⁻¹ )