clear; clc; //To find Approx Value function[A]=approx(V,n) A=round(V*10^n)/10^n;//V-Value n-To what place funcprot(0) endfunction //Example 2.8 //Caption : Program to find Change in Enthalpy and Internal Energy //Given values m=1;//1kg of water T=373.15;//Temp=373.15K(100`C) P=101.325;//Pressure=101.325KPa V2=1.673;//Final Volume[m^3] V1=0.00104;//Initial Volume[m^3] Sv_liqiud=0.00104;//Specific Volume of Liqiud Sv_vapour=1.673;//Specific Volume of Vapour del_H=2256.9;//Heat Added(KJ) //Solution Q=del_H; del_V=V2-V1; W=P*del_V;//KJ del_U=approx(del_H-(P*del_V),1); disp('KJ',del_H,'Change in Enthalpy'); disp('KJ',del_U,'Change in Internal energy'); //End