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diff --git a/647/CH9/EX9.16/Example9_16.sce b/647/CH9/EX9.16/Example9_16.sce
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+clear;
+clc;
+
+// Example: 9.16
+// Page: 362
+
+printf("Example: 9.16 - Page: 362\n\n");
+
+// Solution
+
+//*****Data******//
+V1 = 2.8;// [Volume of Oxygen, L]
+V2 = 19.6;// [Volume of hydrogen, L]
+R = 1.987;// [cal/K mol]
+//**************//
+
+n1 = V1/22.4;// [moles of Oxygen]
+n2 = V2/22.4;// [moles of Hydrogen]
+n = n1 + n2;// [total number of moles]
+x1 = n1/n;// [mole fraction of Oxygen]
+x2 = n2/n;// [mole fraction of Hydrogen]
+// From Eqn. 9.88:
+deltaS_mix = - (R*(x1*log(x1) + x2*log(x2)));// [cal/K mol]
+printf("The entropy change of mixiong is %.3f cal/K mol",deltaS_mix)
+\ No newline at end of file