clear ; clc; // Example 21.6 printf('Example 21.6\n\n'); //page no. 632 // Solution printf('\n As we know that enthalpy(H) is state variable , therefore change in enthalpy(del_H) depends only on initial and final state , independent of the path taken for process.\n Hence, change in enthalpy for both paths A-B-D and A-C-D are same. ');