Question

Consider the given values :

ΔH = 55 kJ mol^–1 

ΔS = 175 J mol^–1 K^–1 

T = 25°C 

Calculate the value of Gibbs free energy change (ΔG) in J mol^–1 .

Answer 1

Answer is :2850

ΔG = ΔH – TΔS 

ΔG = 55000 – 298 × 175 J mol^–1

 ΔG = 55000 – 52150 

ΔG = 2850 J mol^–1