Question

Calculate the value ◇of G° fof the reaction :

CO(g)+1/2O2(g)-----> CO2(g)

when for it ◇H°=-282.8kJ and ◇S°=-86.5JK^-1 at 298 K.​

Answer 1

◇G° =◇H°-T◇S°

=-282.8KJ + 298×86.5JK^-1

=-282.8 KJ + 25.78KJK^-1

=-257.02 KJ