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+//Example 8.20
+clear;
+clc;
+
+//Given
+T1=313;//1st temperature in K
+T2=333;//2nd temperature in K
+KT1=0.86;//Value of equillibrium constant at temperature T1
+KT2=0.35;//Value of equillibrium constant at temperature T2
+R=8.314;//gas constant in J K^-1 mol^-1
+
+//To determine the value of delGo,delHo and delSo
+delHo=(R*T1*T2*log(KT2/KT1))/(T2-T1);//delHo in J mol^-1
+delGo313=-R*T1*log(KT1);//value of delGo at T1 in J mol^-1
+delGo333=-R*T2*log(KT2);//value of delGo at T2 in J mol^-1
+delSo313=(delHo-delGo313)/T1;//value of delSo at T1 in J K^-1 mol^-1
+delSo333=(delHo-delGo333)/T2;//value of delSo at T2 in J K^-1 mol^-1
+mprintf('delHo = %f J mol^-1',delHo);
+mprintf('\n delGo at 313 K = %f J mol^-1',delGo313);
+mprintf('\n delGo at 333 K = %f J mol^-1',delGo333);
+mprintf('\n delSo at 313 K = %f J K^-1 mol^-1',delSo313);
+mprintf('\n delSo at 333 K = %f J K^-1 mol^-1',delSo333);
+
+//end
+\ No newline at end of file