//Chapter 3: Thermodynamic and Chemical Equilibrium //Problem: 5 clc; //Declaration of Variables wt = 1 // g delta_h = 149 // joules // Solution delta_h_f = delta_h * (10 * 12 + 8 * 1) delta_h_f_c=delta_h_f * 10 ** -3 mprintf("Enthalpy of fusion of naphthalene:%.3f kJ/mol", delta_h_f_c)