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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 /632/CH12/EX12.12/example12_12.sce | |
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initial commit / add all books
Diffstat (limited to '632/CH12/EX12.12/example12_12.sce')
| -rwxr-xr-x | 632/CH12/EX12.12/example12_12.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/632/CH12/EX12.12/example12_12.sce b/632/CH12/EX12.12/example12_12.sce new file mode 100755 index 000000000..73a0d2096 --- /dev/null +++ b/632/CH12/EX12.12/example12_12.sce @@ -0,0 +1,24 @@ +//clc()
+//1 - N2, 2 - H2, 3 - NH3
+a1 = 27.31;
+a2 = 29.09;
+a3 = 25.48;
+b1 = 5.2335*10^-3;
+b2 = -8.374*10^-4;
+b3 = 36.89 * 10^-3;
+c1 = -4.1868 * 10^-9;
+c2 = 2.0139*10^-6;
+c3 = -6.305*10^-6;
+H1 = -46191;//J
+T1 = 298;//K
+//1/2 N2 + 3/2 H2 = NH3 H = -46.191kJ
+//Ht = H + a*T + b*T^2 / 2+ c*T^3 / 3
+//at 298,
+a = a3 - a1 / 2 - 3 * a2 / 2;
+b = b3 - b1 / 2 - 3 * b2 / 2;
+c = c3 - c1 / 2 - 3 * c2 / 2;
+H = H1 -a * T1 - b * (T1^2) / 2 - c * (T1^3) / 3;
+T2 = 700;//K
+H2 = H + a * T2 + b * (T2^2) / 2 + c * (T2^3) / 3;
+disp(H);
+disp("kJ",H2,"Heat of reaction at 700K = ")
\ No newline at end of file |