The equilibrium constant of the reaction 2 X (g) = Y (g) + Z(g) is found to fit the expression lnK = A + B/T + C/T2 between 300K and 600K, with A = -1.07, B = -1069K and C = 1.53 x 105 K2. Calculate the standard reaction entropy, J K-1mol-1, at 329K. (4 decimal places)