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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /647/CH12/EX12.11 | |
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Diffstat (limited to '647/CH12/EX12.11')
| -rwxr-xr-x | 647/CH12/EX12.11/Example12_11.sce | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/647/CH12/EX12.11/Example12_11.sce b/647/CH12/EX12.11/Example12_11.sce new file mode 100755 index 000000000..e7424d731 --- /dev/null +++ b/647/CH12/EX12.11/Example12_11.sce @@ -0,0 +1,38 @@ +clear;
+clc;
+
+// Example: 12.11
+// Page: 489
+
+printf("Example: 12.11 - Page: 489\n\n");
+
+// Solution
+
+//*****Data******//
+// Reaction: N2(g) + 3H2(g) --------> 2NH3
+nN2_feed = 1;
+nH2_feed = 5;
+T = 800;// [K]
+P = 250;// [bar]
+K = 1.106*10^(-5);
+//**************//
+
+// Let e be the degree of completion at equilibrium.
+// Moles at Equilibrium:
+// nN2_eqb = 1 - e;
+// nH2_eqb = 5 - 3*e;
+// nNH3_eqb = 2*e;
+// Total moles at equilibrium = 1 - e + 5 - 3*e + 2*e = 2*(3 - e)
+// Mole Fractions at Equilibrium:
+// yN2_eqb = (1 - e)/(2*(3 - e));
+// yH2_eqb = (5 - 3*e)/(2*(3 - e));
+// yNH3_eqb = 2*e/(2*(3 - e));
+// Sum of stoichometric coeffecient:
+v = 2 - 3 - 1;
+Ky = K*P^(-v);
+deff('[y] = f(e)','y = Ky - ((2*e/(2*(3 - e)))^2)/(((1-e)/((2*(3 - e))))*((5 - 3*e)/(2*(3 - e)))^3)');
+e = fsolve(0.5,f);
+printf("Molar Composition of the gases\n");
+printf("yN2 = %.4f\n",(1 - e)/(2*(3 - e)));
+printf("yH2 = %.4f\n",(5 - 3*e)/(2*(3 - e)));
+printf("yNH3 = %.4f\n",(2*e)/(2*(3 - e)));
\ No newline at end of file |