40% of HI undergoes decomposition to H and I at 300 K. ∆G for this decomposition reaction at one atm — Chemical Equilibrium Chemistry Question

Question

40% of HI undergoes decomposition to H and I at 300 K. ∆G for this decomposition reaction at one atmosphere pressure is ________ J mol . [nearest integer] (Use R = 8.31 JK mol ; log 2 = 0.3010, In 10 = 2.3, log 3 = 0.477) 2 2 ⊖ –1 –1 –1