//Chapter 3: Thermodynamic and Chemical Equilibrium //Problem: 12 clc; //Declaration of Variables d_g_25 = - 85.77 // k J, Free Energy at 25 C d_g_35 = - 83.68 // k J, Free Energy at 35 C Ti = 273 + 25 // K Tf = 273 + 35 // K // Solution mprintf("Equating the entropy change at both the temperatures.\n") mprintf(" (d_h + d_g_25) / Ti = (d_h + d_g_35) / Tf\n") d_h = - 148 mprintf(" The change in enthalpy for the process at 30C is %d kJ", d_h)