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+//Example 2.15
+clear;
+clc;
+
+//Given
+R=8.314;// gas constant in J K^-1 mol^-1
+d1=0.25; //initial gas density in kg mol m^-3
+d2=0.083; //final gas density in kg mol m^-3
+a=138; //van der waals constant in N m^4 mol^-2
+Cv=20.8; //specific heat capacity at constant volume of the gas in J K^-1 mol^-1
+
+// To determine the change in temperature
+delT=(a/Cv)*(d2-d1);//temperature change in K
+mprintf('Change in temperature = %f K',delT);
+//end \ No newline at end of file