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+//Chapter 3: Thermodynamic and Chemical Equilibrium
+//Problem: 8
+clc;
+
+//Declaration of Constant
+R = 1.987               // cal per K per mol
+
+//Declaration of Variables
+m = 5
+Vo = 4                  //in litres, Initial Volume
+Vf = 40                 //in litres, Final Volume
+T = 27                  //in deg C
+
+// Solution
+mprintf("dS = nRln(V2 / V1)\n")
+
+dS = m * R * 2.303 * log10(Vf / Vo)
+
+mprintf(" The change in entropy is: %.2f cal / degree",dS)