//Example 4.9 clear; clc; //Given R=8.314;// gas constant in J K^-1 mol^-1 Cp=20.9; //specific heat capacity at constant pressure of the gas in J K^-1 mol^-1 n=1;//moles of gas delSm=146;//molar entropy of the gas at 298 K in J K^-1 mol^-1 T1=298; //initial temperature in K T2=500;//final temperature in K //to calculate the molar entropy at 500 K delS=delSm+(Cp*log(T2/T1));//molar entropy in J K^-1 mol^-1 mprintf('Molar Entropy at 500K = %f J K^-1 mol^-1',delS); //end