1 files changed, 25 insertions, 0 deletions
diff --git a/1919/CH5/EX5.16/Ex5_16.sce b/1919/CH5/EX5.16/Ex5_16.sce
new file mode 100755
index 000000000..670b1cf7b
--- /dev/null
+++ b/1919/CH5/EX5.16/Ex5_16.sce
@@ -0,0 +1,25 @@
+
+// Theory and Problems of Thermodynamics
+// Chapter 5
+//Second Law of Thermodynamcis
+// Example 16
+
+clear ;clc;
+
+//Given data
+N = 1          //number of moles of air to be seperated 
+P = 0.1*1e6    //pressure of of air before seperation in Pa
+T = 300        //temperature of air before seperation in K
+R = 8.314      //gas constant
+
+// Calculations for determining the minimum work required
+// From first and second law of thermodynamics
+// dU = T dS - P dV
+// initial and final temperatures are identical => dU = 0 
+S_mix = -R*(0.21*log(0.21) + 0.79*log(0.79))    // entorphy for mixing
+S_sep = - S_mix                      // entrophy change for seperation
+W = T * S_sep                        // minimum work to be done
+
+// Output Results
+mprintf('Minimum work to be done for seperation = %6.1f kJ', -W)
+